The invention relates to a hydraulic circuit provided with at least one hydraulic power machine (2, 4) connected to a low-pressure circuit (6) and to a high-pressure circuit (10) transmitting said power, wherein the machine is provided with a drain which allows internal leaks in the casing thereof to flow towards a low-pressure accumulator (8) or a vessel at atmospheric pressure, said circuit comprising an intake pipe (30) connecting the low-pressure circuit (6) to the casing of the machine, and an outlet pipe (36) forming the drain receiving the flow from the intake pipe in order to guide same towards the vessel (8), including a heat exchanger (42) and a filter (44) forming the fluid treatment elements for the entire hydraulic circuit, said circuit also comprising a means for monitoring the flow (40) in the intake and outlet pipes.
A gearbox (BV) comprises a secondary shaft (AS) provided with a synchromesh (SB) comprising a flange (FL) comprising a sub-hub (SM) fixedly secured to the secondary shaft (AS) and provided with external splines (CE3), a hub (MO) comprising internal splines (CI1) collaborating with the external splines (CE3) of the sub-hub (SM) to allow translational movement with respect to the latter (SM), and a sleeve (MA) that can undergo a translational movement with respect to the hub (MO) so that the internal splines (CI2) thereof are closely coupled to dogs (CR) of an idling pinion (PF1). This translational movement of the hub (MO) with respect to the sub-hub (SM) guarantees close coupling of the internal splines (CI2) of the sleeve (MA) with the dogs (CR) with a minimal margin for translation, irrespective of dimensional variations in the manufacture of the sleeve (MA) and idling pinion (PF1).
F16H 3/38 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with synchro-meshing
F16D 23/06 - Arrangements for synchronisation with an additional friction cluch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
3.
Propulsion unit for a hydraulic hybrid vehicle, comprising an electric machine
Propulsion unit for a hydraulic hybrid vehicle, comprising a transmission receiving power from a heat engine and from a second power source powered by hydraulic energy, to drive the wheels of the vehicle, characterized in that with the heat engine comprising no specific electric starter intended to drive same directly, one side of the casing (2) thereof, parallel to the axis, is fitted with an electric machine connected to a connecting shaft (12) which goes into the transmission.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
F02N 15/00 - Other power-operated starting apparatusComponent parts, details, or accessories, not provided for in, or of interest apart from, groups
F02N 15/02 - Gearing between starting-engines and started enginesEngagement or disengagement thereof
B60K 6/00 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
B62D 65/10 - Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being engines, clutches or transmissions
4.
Hydraulic circuit for a hybrid vehicle comprising a very high pressure circuit and safety means in case of overpressure
A hydraulic circuit designed for a hybrid vehicle provided with a hydraulic machine (22) and a pump (20) linked to a transmission (4) driving the wheels of the vehicle, said machine and said pump being linked together in order to allow direct exchanges of fluid that take place in a very high pressure circuit (42) not comprising a pressure accumulator, characterized in that the very high pressure circuit (42) comprises safety means (110) which, in case of overpressure, discharge the fluid to a limited pressure circuit (40) provided with a pressure accumulator (46).
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F15B 11/08 - Servomotor systems without provision for follow-up action with only one servomotor
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
5.
HYDRAULIC MACHINE COMPRISING A CYLINDER BLOCK ROTATED BY THE OUTER EDGE THEREOF
The invention relates to a hydraulic machine that can be operated as a motor or a pump, comprising a cylinder block (60) rotating about a main shaft, provided with cylinders arranged parallel to the shaft and receiving pistons (62) that are actuated by a non-rotatable inclined plate (64), characterised in that the cylinder block (60) comprises a rotating means (80) connected to the outer radial edge thereof.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F01B 3/00 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
6.
TRACTION ASSEMBLY FOR A HYBRID VEHICLE COMPRISING A HYDRAULIC MACHINE ARRANGED AROUND THE OUTPUT SHAFT OF A DIFFERENTIAL
The invention relates to a hydraulic traction assembly for a hybrid motor vehicle provided with a heat engine, comprising a hydraulic machine (6) arranged around an output shaft (4) of a differential for driving the wheels of the vehicle (2), having a main axis (A), said machine comprising a barrel containing cylinders receiving pistons, the differential (2) comprising an element (10) receiving the power of the heat engine, the barrel having a position which is stationary, the hydraulic machine (6) comprising a non-rotatable plate that can be inclined to control the strokes of the pistons, and the barrel being connected to the housing of the differential by an automatic clutch (8).
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
7.
HYDRAULIC CIRCUIT COMPRISING A VERY-LOW-PRESSURE RESERVOIR PLACED UNDER NEGATIVE PRESSURE
Hydraulic circuit comprising a low-pressure circuit (6) fed by a booster pump (4) that draws from a very-low-pressure reservoir (2), characterized in that this very-low-pressure reservoir (2) is leaktight and has a device for placing the internal volume (12) under negative pressure with respect to atmospheric pressure.
The invention relates to a hydraulic circuit provided with at least one hydraulic power machine (2, 4) connected to a low-pressure circuit (6) and to a high-pressure circuit (10) transmitting said power, wherein the machine is provided with a drain which allows internal leaks in the casing thereof to flow towards a low-pressure accumulator (8) or a vessel at atmospheric pressure, said circuit comprising an intake pipe (30) connecting the low-pressure circuit (6) to the casing of the machine, and an outlet pipe (36) forming the drain receiving the flow from the intake pipe in order to guide same towards the vessel (8), including a heat exchanger (42) and a filter (44) forming the fluid-treatment elements for the entire hydraulic circuit, said circuit also comprising a means for monitoring the flow (40) in the intake and outlet pipes.
A booster device for a hydraulic circuit comprising a high-pressure circuit (12) and a low-pressure circuit (16) connected to a system generating the high pressure and to receivers, said booster device maintaining a minimum pressure in the low-pressure part, characterized in that it comprises a hydraulic motor (30) of which the inlet is connected to the high-pressure circuit (12) and the outlet to the low-pressure circuit (16), which drives a booster pump (20) sucking the fluid from a reservoir (24), in order to discharge it into this low-pressure circuit.
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16H 61/4139 - Replenishing or scavenging pumps, e.g. auxiliary charge pumps
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
F04B 9/10 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
F03C 1/26 - Reciprocating-piston liquid engines adapted for special use or combined with apparatus driven thereby
F16H 39/34 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type in which a rotor on one shaft co-operates with a rotor on another shaft
F16H 39/36 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type in which a rotor on one shaft co-operates with a rotor on another shaft toothed-gear type
10.
Hydraulic machine comprising cylinders provided with angularly offset openings
A hydraulic machine comprising a drum (12) rotated by an input shaft, comprising cylinders (14) distributed around the shaft, each receiving a piston that slides on the basis of the rotation of the shaft, each cylinder opening at an opening (30) on a transverse face of the drum bearing on a plate having inlet and outlet manifolds, the openings (30) comprising, relative to the cylinders (14) of same, angular offsets comprised within a total offset range, characterized in that the offsets of the openings (30) are disposed at one end or the other of this offset range.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F03C 1/34 - Distribution members specially adapted for multiple-cylinder engines
F01B 3/00 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
11.
MECHANICAL TRANSMISSION OF MOTOR VEHICLE WITH HYDRAULIC MACHINE
The invention relates to a mechanical transmission (4) for a motor vehicle comprising: a gearbox (6) with a casing (12) and at least two transmission shafts (20, 22); at least one hydraulic machine (8, 10) of the pump or hydraulic motor type, mounted on the casing (12) and with a shaft (20, 22) coupled to one of the transmission shafts of the gearbox (6); at least one quarter, preferably at least one third, of the axial extent of the or of at least one of the hydraulic machines (8, 10) is housed in a cavity (32, 34) of the casing (12) of the gearbox (6). The invention also relates to a hybrid vehicle comprising such a mechanical transmission (4).
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing of mechanical type
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
The invention relates to a rotary hydraulic machine which includes a casing (2) containing pistons actuated by an input shaft, said casing having a transverse front surface provided so as to engage with a mounting, and a transverse rear surface receiving a rear cover (4) supporting collectors connected to said pistons, the casing comprising side attachment tabs (30, 40) each having an axial bore (32) ending in a rear clamping surface, provided such as to receive an element for clamping said machine to the mounting, characterised in that at least one tab forms an axially elongate pad (40), the height of which is greater than half of the length of said casing included between the front and rear surfaces thereof.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F04B 53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
13.
Transmission for a hydraulic hybrid vehicle, comprising a planetary gear train linked to a pump by a speed reducer
A transmission for a hydraulic hybrid motor vehicle includes a planetary gear train (30) capable of differential operation. The planetary gear train has a first element (32) linked to an internal combustion engine (34), a second element (40) linked to drive wheels (22) of the vehicle, and a third element (36) linked to a hydraulic pump (64). The transmission (1) further includes a hydraulic machine which drives the drive wheels (22) by way of a link between the third element (36) of the planetary gear train (30) and the hydraulic pump (64). This link includes a speed reducer (38, 60) that provides, when the whole of the planetary gear train is rotating at the same speed, a reduction in the speed of rotation of the pump relative to that of the internal combustion engine (34) that is greater than a value of approximately two.
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
F16H 61/4183 - Preventing or reducing vibrations or noise, e.g. avoiding cavitations
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
The invention relates to a motor vehicle gearbox including: - at least one coupling means for coupling a shaft to a gear mounted on said shaft, said coupling means being translatable; - a rotatable control cylinder for controlling translation of said coupling means; and - a means for tracking the rotation of the cylinder. Said motor vehicle gearbox is characterized in that said means for tracking the rotation of the cylinder is configured so as to ensure tracking in terms of angular position. The gearbox includes a control means for controlling rapid rotation of the cylinder in a first direction until the cylinder passes (t2) a predetermined angular position, then slow rotation of the cylinder in the direction opposite the first, until it is observed (S1, θ1, t3) that the cylinder is in said predetermined angular position, so as to initialize said angular position tracking on the basis of at least said observation (S1, θ1, t3).
F16H 63/18 - Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
A gearbox for a motor vehicle comprising at least one coupling means (213, 223, 233) for coupling a shaft (1000, 1001) to a pinion mounted about said shaft (1000, 1001), said coupling means (213, 223, 233) being movable in translation, a control cylinder (100) movable in rotation to control the translation of said coupling means (213, 223, 233), a means (610, 910) for monitoring the angular displacement of the cylinder (100), a means (700, 800, 900) for observing if the control cylinder (100) is at a predefined angular position (θ0) predefined to initialise said monitoring means (610, 910), and a means (600, 900) for controlling the rotation of the cylinder (100) until the fact that the cylinder (100) is in said predefined angular position (θ0) is observed, characterised in that the gearbox further comprises means (261, 262, 263, 900) for disengaging the coupling means (213, 223, 233) from the cylinder (100) during the implementation of said means (600, 900) for controlling the rotation of the cylinder (100) until the fact that the cylinder (100) is in said predefined angular position (θ0) is observed, and re-engaging said coupling means (213, 223, 233) in the cylinder (100) in order to engage a gear ratio.
F16H 63/18 - Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
F16H 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
16.
METHOD AND DEVICE FOR CONTROLLING THE COUPLING OF SHAFTS OF A VEHICLE, ONE OF WHICH IS DRIVEN BY A MACHINE, BY ADDING AN ADDITIONAL DECREASING/INCREASING TORQUE
The invention relates to a method for controlling the coupling, by coupling means (MC) of a vehicle (V), of a first shaft (A1) driven by a machine (ME) to a second shaft (A2) driving wheels. Said method comprises a first step of operating the machine (ME) so as to drive the first shaft (A1) at a set operating speed, followed by controlling the coupling means (MC) so that they start the coupling with the second shaft (A2); and a second step, if the coupling between the first (A1) and second (A2) shafts could not be established, of causing the machine (ME) to output a torque equal to the sum of a set torque and an additional torque which is alternately decreasing and increasing and has a variation amplitude which increases from one alternation to the next, until the coupling resumes, and then maintaining said output torque substantially constant until the end of coupling.
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 20/00 - Control systems specially adapted for hybrid vehicles
17.
METHOD AND DEVICE FOR CONTROLLING THE COUPLING OF SHAFTS OF A VEHICLE, ONE OF WHICH IS DRIVEN BY A MACHINE, BY ADDING AN ADDITIONAL MONOTONE TORQUE
The invention relates to a method for controlling the coupling, by coupling means (MC) of a vehicle (V), of a first shaft (A1) driven by a machine (ME) to a second shaft (A2) driving wheels. Said method comprises a first step of operating the machine (ME) so as to drive the first shaft (A1) at a set operating speed, followed by controlling the coupling means (MC) so that they start the coupling with the second shaft (A2); and a second step, if the coupling between the first (A1) and second (A2) shafts could not be established, of causing the machine (ME) to output a torque equal to the sum of a set torque and an additional torque which varies in a decreasing and increasing monotone manner from a selected positive or negative value, until the coupling resumes, and then maintaining said output torque substantially constant until the end of coupling.
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
18.
GEARBOX SYNCHROMESH, WITH A SPLINED FLANGE FOR THE TRANSLATIONAL MOVEMENT OF THE HUB
A gearbox (BV) comprises a secondary shaft (AS) provided with a synchromesh (SB) comprising a flange (FL) comprising a sub-hub (SM) fixedly secured to the secondary shaft (AS) and provided with external splines (CE3), a hub (MO) comprising internal splines (CI1) collaborating with the external splines (CE3) of the sub-hub (SM) to allow translational movement with respect to the latter (SM), and a sleeve (MA) that can undergo a translational movement with respect to the hub (MO) so that the internal splines (CI2) thereof are closely coupled to dogs (CR) of an idling pinion (PF1). This translational movement of the hub (MO) with respect to the sub-hub (SM) guarantees close coupling of the internal splines (CI2) of the sleeve (MA) with the dogs (CR) with a minimal margin for translation, irrespective of dimensional variations in the manufacture of the sleeve (MA) and idling pinion (PF1).
F16D 23/06 - Arrangements for synchronisation with an additional friction cluch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
19.
HYDRAULIC PRESSURE ACCUMULATOR PROVIDED WITH AN EXTERNAL SECURITY SYSTEM COMPRISING A PIPELINE
The invention relates to a a device for the accumulation of hydraulic pressure, comprising an accumulator (2) provided with a chamber containing pressurised gas (4) which is separated from a chamber containing the fluid (6) by means of a mobile membrane (8), said device being characterised in that it comprises an external pipeline (32) connected to the gas chamber (4), which is provided with security systems designed to open in the event of unwanted forces applied to said pipeline.
The invention relates to a device for elastic suspension of an assembly of reservoirs (50, 60) on the underbody of a motor vehicle. The reservoirs (50, 60) are mounted substantially in parallel and have a substantially cylindrical general shape terminated by two shaped end pieces (50A, 50B; 60A, 60B). Said novel suspension device comprises two flanges (10, 11), which fit closely to the shaped end pieces (50A, 50B; 60A, 60B) of the reservoirs (50, 60) and are linked together by tie rods (30) gripping said reservoirs (50, 60), and a plurality of arms (40A, 40B, 40C, 40D) which link the flanges (10, 11) to a plurality of elastic connection points of the suspension device on the vehicle body.
The invention relates to a power supply unit (3) for supplying power to an on-board electrical network of a vehicle, including: at least two DC-to-DC converters (9A, 9B) which are interleaved and reversible between an opera-ting mode for lowering voltage and an operating mode for raising voltage, the converters (9A, 9B) being intended for being connected to a power storage device (ST2) and being capable of supplying current to the on-board network; and a switch (K) enabling a power source (STI) to supply power to the on-board network when the switch (K) is in a first state, and enabling the power storage device (ST2) to supply power to the on-board network when the switch (K) is in a second state. The unit is characterized in that the converters (9A, 9B) are variable-frequency converters, and in that the power supply unit (3) also includes a synchronization unit (200) configured such as to synchronize the operation of the converters (9A, 9B) operating at variable frequencies and the current generation of the converters.
H02G 3/00 - Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
H02M 3/04 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
22.
Device for synchronizing variable frequency DC/DC current converters
The invention concerns a device (3) for synchronizing at least two DC/DC converters. It is characterized in that it comprises receiving means (21A, 21B, 23A, 23B) for receiving a switching signal generated by each of the converters; means (25) for detecting a transition type of the received switching signals; means (27) for generating a synchronization signal when a transition is detected; and means (27, S1, S2) for supplying the synchronization signal to one of the converters, said means (27, S1, S2) being configured to supply the synchronization signal to a different converter and in an order of succession each time a transition is detected.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/04 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
23.
Method for managing a system for supplying a vehicle electrical system with electrical energy
The invention concerns a method for managing a system for supplying a vehicle electrical system with electrical energy, comprising the steps consisting of: •supplying the electrical system with electrical energy via the additional electrical energy storage device and the DC/DC converter when the switch is open; •regulating the electrical energy generator to supply voltage lower than that imposed by the DC/DC converter and higher than a voltage of the electrical energy storage device; •closing the switch such that the DC/DC converter imposes a voltage on the electrical system that is higher than that of the electrical energy storage device and the electrical energy generator; •applying a voltage to the electrical system from the electrical energy generator that is higher than that of the DC/DC converter; and deactivating the DC/DC converter.
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 1/08 - Three-wire systemsSystems having more than three wires
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
24.
EPICYCLIC GEARTRAIN, NOTABLY FOR A MOTOR VEHICLE TRANSMISSION
Epicyclic geartrain comprising: an internal planetary shaft (1) having an external annular tooth set (2) extending about an axis of rotation (3), an external planetary shaft (4) comprising a bell housing (5) in which is mounted a crown wheel (6) having a tooth set (7) coaxial with the internal planetary shaft, planet pinions (8) mounted on a planet carrier to rotate about the axis of rotation of the planetary shafts while meshing with the internal planetary shaft (1) and with the crown gear (6) of the external planetary shaft, and an elastic member (11) interposed between the bell housing (5) and the crown gear (6) in order to absorb radial load between the bell housing and the crown wheel.
A method for controlling a powertrain of a hybrid vehicle, provided with a heat engine (2) driving rotating machines of accessory functions (40, 42, 44), a first auxiliary machine (26) which, in one operating mode, provides the vehicle with traction while the heat engine can remain stopped, and a second auxiliary machine (20) that can, in this mode, drive the heat engine, characterised in that, in this operating mode, in case of a need to drive rotating machines (40, 42, 44) in order to obtain accessory functions, it controls the second auxiliary machine (20) to rotate the heat engine (2), while keeping the fuel injection of same cut off.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 6/445 - Differential gearing distribution type
B60K 25/02 - Auxiliary drives directly from an engine shaft
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 20/00 - Control systems specially adapted for hybrid vehicles
26.
METHOD FOR LIMITING VIBRATIONS ON A HYDRAULIC HYBRID VEHICLE, BY THE ENGAGEMENT OF A HYDRAULIC MACHINE
The invention relates to a method for limiting vibrations on a hydraulic hybrid vehicle including a transmission connected to a heat engine, a hydraulic pump, and a hydraulic machine having a link that can be engaged so as to drive the driving wheels directly, said transmission including operating modes (4, 6) in which the heat engine or the pump are operational and the hydraulic machine is disengaged, characterised in that during driving in one of said operating modes (4, 6), with the hydraulic machine disengaged, when the speed of rotation of the heat engine or the hydraulic pump is close to a speed that excites a specific mode for amplifying the transmission (10, 12), it engages said machine.
An assembly comprising a synchroniser sleeve (28) for a gearbox provided with a stop (10), said sleeve comprising a bore having splines designed to link an idler gear to the shaft (2) of same, activating a synchronisation device contained radially inside said bore, the stop, held axially, having a planar transverse face provided with an external contour projecting beyond the bore in order to abut against the transverse face of the sleeve (28) to stop same at the end of travel, characterised in that the external contour of the stop (10) comprises indentations (42) that are radially underneath the bore.
F16D 23/06 - Arrangements for synchronisation with an additional friction cluch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
28.
HYDRAULIC CIRCUIT FOR A HYBRID VEHICLE COMPRISING A VERY HIGH PRESSURE CIRCUIT AND SAFETY MEANS IN CASE OF OVERPRESSURE
A hydraulic circuit designed for a hybrid vehicle provided with a hydraulic machine (22) and a pump (20) linked to a transmission (4) driving the wheels of the vehicle, said machine and said pump being linked together in order to allow direct exchanges of fluid that take place in a very high pressure circuit (42) not comprising a pressure accumulator, characterised in that the very high pressure circuit (42) comprises safety means (110) which, in case of overpressure, discharge the fluid to a limited pressure circuit (40) provided with a pressure accumulator (46).
The invention relates to a hydraulic circuit including devices connected to a high-pressure circuit (2) and a low-pressure circuit (16), and a booster system comprising a pump (20) taking the fluid from a tank (22) to supply the low-pressure circuit in order to maintain a minimal pressure therein, characterised by comprising a means for drawing vacuum (30) on the high-pressure circuit (2), a communication check-valve (32) arranged between the low-pressure (16) and high-pressure (2) circuits allowing the transition to high pressure, and a means for locking the pump (34).
Filter system for a closed hydraulic circuit intended to operate in an airless manner, comprising a filtering element contained in a bowl (2) having an upper opening (22), and a stopper (8) equipped with a purge means (14) closing this opening, characterized in that the bowl (2) has a collar (20) standing up above the stopper (8) that can contain the filtering element, or has fastening and sealing means (4) above this stopper, said fastening and sealing means (4) being intended to receive the base (24) of a removable collar of the same type, this collar, by way of its upper inlet (22), allowing the stopper to be demounted and completely withdrawn.
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
31.
HYDRAULIC MACHINE COMPRISING A ROLLER BEARING SUPPORTED BY A CONVEX CIRCULAR PORTION
The invention relates to a hydraulic machine comprising a barrel (12) rotated by an input shaft (6), provided with axial cylinders (14) each receiving a piston (16) sliding in accordance with the rotation of the shaft, said shaft being guided in the casing by at least one bearing with cylindrical rollers (32), characterised in that the inner ring (44) of the roller bearing (32) is connected to the shaft (6) by a circular portion having, in the axial cross-section, a slightly convex shape (46) supported by a corresponding cylindrical surface, with a slightly sliding fit which allows a small axial or tilting movement of the shaft relative to said ring.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F16C 19/46 - Needle bearings with one row of needles
F16C 23/08 - Ball or roller bearings self-adjusting
F16C 33/36 - RollersNeedles with bearing-surfaces other than cylindrical, e.g. taperedRollersNeedles with grooves in the bearing surfaces
Motor vehicle powertrain comprising a gearbox of the dual clutch type driving the driven wheels (14), having two concentric primary shafts (30, 34) connected to the combustion engine (2) each of them via an input clutch (32, 36), each primary shaft having synchronizing means adjusting the speed of this shaft before a gear ratio (8) is engaged, the powertrain additionally comprising one or more auxiliary rotary machines (20) which are connected by a connecting clutch (22) to the primary shafts (30, 34) of the gearbox. The auxiliary rotary machine or machines (20) are connected to the two primary shafts (30, 34) by free wheels (40, 42).
The invention relates to a method for regulating the distance, during driving, separating a hybrid or electric vehicle (40) having a machine delivering a braking torque while producing energy that is stored in batteries, from a preceding vehicle (42), said method using a speed set point to adapt the speed of the vehicle in order to obtain a minimum basic distance from the preceding vehicle corresponding to a predefined lapse of time needed to travel it, characterised in that it modifies the distance as a function of the charge state of the batteries (10), to obtain an optimised distance to apply the speed regulation of the vehicle.
The invention concerns a silencer (S1) intended to be fitted to an exhaust line (L) of a heat engine (M), and that comprises one or a plurality of envelope(s) that delimit three volumes (1 a,1 b, 2), referred to as upstream (1 a), intermediate (1 b) and downstream (2), traversed by a plurality of conduits, including: - a supply conduit (10) conveying the exhaust gases from the engine (M) to the intermediate volume (1b), passing through the upstream volume (1 a), - a so-called "outward" journey conduit (12) taking the exhaust gases from the intermediate volume (1 b) to the downstream volume (2), - a so-called "return" journey conduit (13) taking the exhaust gases from the downstream volume (2) towards the upstream volume (1 a), passing through the intermediate volume (1 b), and - a discharge conduit (14) taking the exhaust gases out of the silencer, either by means of a so-called "outward" journey from the upstream volume (1 a) to the downstream volume (2) from which it opens to the outside, or by means of a so-called "outward-return" journey from the upstream volume (1 a) to the downstream volume (2) and then once more to the upstream volume (1 a) from which it opens to the outside.
The invention relates to a method for producing a vacuum for a braking device of a motor vehicle, preferably a hybrid propulsion motor vehicle. The invention makes it possible to use all the power sources (2, 10, 20, 30) of the power train to produce a vacuum in the compression release braking device (40). Each of the power sources can drive the heat engine (1) with a view to producing the vacuum without needing to inject fuel for putting said heat engine into operation. Because of the invention, the motor vehicle does not comprise a vacuum pump for the braking system.
The invention relates to a hybrid motor vehicle comprising a vacuum braking device. The vehicle comprises hydraulic powering means (11, 20, 21) allowing a vacuum to be produced in the braking system via the combustion engine (1). The hydraulic energy comes from a hydraulic energy accumulator (20) or from the hydraulic energy regenerative system. Thanks to the invention, the motor vehicle does not have a vacuum pump for the braking system.
The invention concerns a motor vehicle comprising a vacuum brake device (40) and an alternator-starter (31). The vehicle is configured to produce a vacuum in the braking device by bringing the heat engine (1) into operation, driven by the alternator-starter (31). This makes it possible to reduce the fuel consumption and to propose a vehicle without a vacuum pump dedicated to the braking device (40).
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
38.
PROPULSION UNIT FOR A HYDRAULIC HYBRID VEHICLE, COMPRISING AN ELECTRIC MACHINE
Propulsion unit for a hydraulic hybrid vehicle, comprising a transmission receiving power from a heat engine and from a second power source powered by hydraulic energy, to drive the wheels of the vehicle, characterized in that with the heat engine comprising no specific electric starter intended to drive same directly, one side of the casing (2) thereof, parallel to the axis, is fitted with an electric machine connected to a connecting shaft (12) which goes into the transmission.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/08 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
F02N 15/00 - Other power-operated starting apparatusComponent parts, details, or accessories, not provided for in, or of interest apart from, groups
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
39.
MUFFLER INTENDED TO BE MOUNTED IN THE EXHAUST LINE OF A HEAT ENGINE
The invention relates to a muffler (S) intended to be mounted in an exhaust line (L) of a heat engine (M), said muffler comprising one or more shells defining three volumes (1a, 1b, 2), referred to as upstream (1a), intermediate (1b) and downstream (2), arranged in succession and passed through by a plurality of pipes including: a supply pipe (10) for feeding the exhaust gases from the engine (M) into the intermediate volume (1b) via the upstream volume (1a); a so-called forward path pipe (12) for bringing the exhaust gases from the intermediate volume (1b) into the downstream volume (2); a so-called return path pipe (13) for feeding the exhaust gases from the downstream volume (2) into the upstream volume (1a) via the intermediate volume (1b); and a discharge pipe (14, 14') provided predominantly outside the shell(s) and leading out of the upstream volume (1a).
A booster device for a hydraulic circuit comprising a high-pressure circuit (12) and a low-pressure circuit (16) connected to a system generating the high pressure and to receivers, said booster device maintaining a minimum pressure in the low-pressure part, characterised in that it comprises a hydraulic motor (30) of which the inlet is connected to the high-pressure circuit (12) and the outlet to the low-pressure circuit (16), which drives a booster pump (20) sucking the fluid from a reservoir (24), in order to discharge it into this low-pressure circuit.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
F04B 9/10 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
F03C 1/26 - Reciprocating-piston liquid engines adapted for special use or combined with apparatus driven thereby
F16H 61/423 - Motor capacity control by fluid pressure control means
F16H 61/4139 - Replenishing or scavenging pumps, e.g. auxiliary charge pumps
41.
HYDRAULIC MACHINE COMPRISING CYLINDERS PROVIDED WITH ANGULARLY OFFSET OPENINGS
A hydraulic machine comprising a drum (12) rotated by an input shaft, comprising cylinders (14) distributed around the shaft, each receiving a piston that slides on the basis of the rotation of the shaft, each cylinder opening at an opening (30) on a transverse face of the drum bearing on a plate having inlet and outlet manifolds, the openings (30) comprising, relative to the cylinders (14) of same, angular offsets comprised within a total offset range, characterised in that the offsets of the openings (30) are disposed at one end or the other of this offset range.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F01B 3/00 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
42.
POWERTRAIN OF A HYDRAULIC HYBRID VEHICLE, COMPRISING A FREE WHEEL AND A PLANETARY GEAR TRAIN
A powertrain of a hybrid vehicle, comprising a heat engine (46) linked to a first element of a planetary gear train (30) provided with a second element linked to a hydraulic pump (44), and a third element linked to the drive wheels of the vehicle, this powertrain further comprising a hydraulic machine (2) linked to the drive wheels, characterised in that the first element of the planetary gear train (30) is linked to the heat engine (46) by a free wheel (48) allowing this engine to remain stopped when the planetary gear train is driven by the vehicle in a forward gear, said first element being further permanently linked to an alternator (50) powering the onboard network (52).
The invention concerns a method and a device for controlling/commanding a hydraulic module installed in a hybrid vehicle, the module comprising at least one hydraulic engine driving a differential incorporated in the module, the engine having a fixed piston and a floating cylinder and being connected to a hydraulic circuit selectively at low pressure or at high pressure, the engine converting the energy coming from the pressurised fluid into mechanical energy in the form of a drive torque of the differential transmitting it to the drive wheels of the vehicle, said method carrying out, on request of a torque value (21) from the module transmitted by the control/command of the power train (52), a regulation of the engine torque, characterised in that the torque regulation is carried out according to the high and low pressure values of the hydraulic circuit and according to the angular position of the module, said regulation being carried out by controlling the pressure in the circuit.
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
F16H 61/472 - Automatic regulation in accordance with output requirements for achieving a target output torque
F04B 1/32 - Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
F04B 1/24 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to the main shaft axis
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
44.
METHOD AND DEVICE FOR CONTROLLING/COMMANDING A DIFFERENTIAL HYDRAULIC MODULE FOR A HYBRID VEHICLE
The invention concerns a method for controlling/commanding a hydraulic module of a hybrid vehicle comprising two engines housed in a right- or left-hand side portion, each engine comprising at least one piston and one cylinder, one of said two elements being floating and being rigidly connected to a plate, each engine being connected to at least one low pressure or high pressure hydraulic circuit and converting the fluid energy into drive torque transmitted to a drive wheel with which it is associated, the method carrying out, on request of a torque value transmitted by the control/command of the power train, a torque regulation, characterised in that the regulation is carried out separately for the portions on the basis of the measurements of high and low pressure differences (53) of the circuit, the angular position (51, 54) of the respective portion and the speed (55, 52) of the drive wheel associated with the portion.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 17/14 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing the motor of fluid or electric gearing being disposed in, or adjacent to, traction wheel
B60W 10/16 - Axle differentials, e.g. for dividing torque between the left and right wheels
F16H 48/18 - Differential gearings without gears having orbital motion with fluid gearing
F16H 61/456 - Control of the balance of torque or speed between pumps or motors
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
F16H 61/472 - Automatic regulation in accordance with output requirements for achieving a target output torque
The invention pertains to a lubrication device for the internal mechanics of a transmission of a vehicle, in particular a motor vehicle. According to the invention, the two front faces (11, 12) of the hub (3) and the pinion (4) together define at least one groove for conveying lubricant fluid from the inner walls of the hub and the pinion to the lateral edges of those opposite faces (11, 12) of the hub and the pinion, and at least one storage pouch (14) for that liquid on the periphery of those opposite faces (11, 12) of the hub and the pinion in order to lubricate the adjacent synchronizing device for the transmission (6).
F16H 57/04 - Features relating to lubrication or cooling
F16D 23/06 - Arrangements for synchronisation with an additional friction cluch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
46.
TRANSMISSION FOR A HYDRAULIC HYBRID VEHICLE, COMPRISING A PLANETARY GEAR TRAIN LINKED TO A PUMP BY A SPEED REDUCER
A transmission for a hydraulic hybrid motor vehicle, comprising a planetary gear train (30) capable of differential operation, comprising a first element (32) linked to a heat engine (34), a second element (40) linked to the drive wheels (22), and a third element (36) linked to a hydraulic pump (64), this transmission (1) further comprising a means for driving the drive wheels (8) by a hydraulic machine (2), characterised in that the link between the third element (36) of the planetary gear train (30) and the hydraulic pump (64) comprises a speed reducer (38, 60) that provides, when the whole of this train is rotating at the same speed, a reduction in the speed of rotation of the pump relative to that of the heat engine (34) that is greater than a value of approximately two.
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
47.
POWER TRAIN FOR A HYDRAULIC HYBRID VEHICLE, CONTROL METHOD AND HYBRID MOTOR VEHICLE
The invention relates to a power train for a hybrid motor vehicle, including a heat engine (34), as well as a hydraulic machine (2) and a hydraulic pump (64) which can be connected via a hydraulic circuit to high pressure accumulators (72), wherein said power train also includes a transmission comprising an output differential (20) connected directly to the hydraulic machine, and a planetary gear (30) having an outer ring gear (32), a planet carrier (40) and a sun gear (36), wherein said planet carrier is connected to the differential, and the ring gear and the sun gear are each connected to the heat engine and to the pump, respectively, characterized in that the hydraulic circuit comprises controlled means that form a direct passage (78) between the pump (64) and the hydraulic machine (2), and a closure (76) for the high pressure accumulators (72).
F16H 61/4096 - Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
48.
HYDRAULIC CIRCUIT COMPRISING VARIANTS PROVIDING DIFFERENT MODAL RESPONSES
The invention relates to an hydraulic circuit comprising an hydraulic machine (2) and receptors (4) connected by pipelines, said machine generating pressure oscillations in the circuit (1) according to a range of excitation frequencies, characterised in that said circuit comprises two variants (14, 16) of different lengths or volumes, providing different modal responses to the excitation frequencies, and controlled means (10, 12) which allow either one or the other (14, 16) of said variants to be implemented.
Hybrid vehicle comprising a first, heat engine, propulsion unit (10) and a second propulsion unit (20) that uses a different form of energy, characterized in that the vehicle comprises at least one alternator (25) coupled to the second propulsion unit (20) and connected to an electrical network (60) of the vehicle.
B60K 6/08 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
B60W 20/00 - Control systems specially adapted for hybrid vehicles
H01J 7/14 - Means for obtaining or maintaining the desired pressure within the vessel
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
A hydraulic machine comprising a barrel (12) driven in rotation by an input shaft (6), comprising cylinders (14) each receiving a piston (16) bearing on one side on a tiltable tray (20) that can pivot about an axis perpendicular to the input shaft, the cylinders bearing, on the side opposite the tray, on a circular closing plate (24) comprising a low pressure manifold and a high pressure manifold separated at the ends of same by two intermediate spaces, at least one of these spaces comprising at least one connection to a precompression chamber, characterised in that the tilt of the tray (20) comprises a second tilt angle that gives an angular offset of the top and bottom dead centres of the pistons (16), relative to the mid points of the intermediate spaces.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F04B 1/32 - Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
A hydraulic module designed to be mounted on a hydraulic hybrid vehicle, characterised in that it forms a rigid and compact assembly comprising a body (32) receiving the high- and low-pressure accumulators intended to supply traction motors of the vehicle, comprising a generally parallelepipedal shape, and having attachment means designed to be fixed under a floor at the rear of the vehicle.
The invention concerns a method for managing a system for supplying a vehicle electrical system with electrical energy, comprising the steps consisting of: • supplying the electrical system with electrical energy via the additional electrical energy storage device and the DC/DC converter when the switch is open; • regulating the electrical energy generator to supply voltage lower than that imposed by the DC/DC converter and higher than a voltage of the electrical energy storage device; • closing the switch such that the DC/DC converter imposes a voltage on the electrical system that is higher than that of the electrical energy storage device and the electrical energy generator; • applying a voltage to the electrical system from the electrical energy generator that is higher than that of the DC/DC converter; and • deactivating the DC/DC converter.
The invention relates to a method for filtering the torsional vibrations of a heat engine (2) connected via a damper (8) to a transmission (12) driving the driving wheels (14) of a hybrid vehicle, by means of a vibration damper (8), a hydraulic machine (20), working as a motor or as a pump, which can be connected to a shaft (10) of the transmission via a coupling system (22), characterized in that, in a first mode of operation that has a high level of vibration excitation generated by the heat engine (2), the method systematically maintains the coupling of the hydraulic machine to add inertia to the transmission shaft (10), whether or not said machine is in operation, and, in a second mode of operation that has a lower level of vibration excitation, the method allows a decoupling of the hydraulic machine.
B60W 10/103 - Infinitely variable gearings of fluid type
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
F16F 15/173 - Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid having an inertia member, e.g. ring provided within a closed housing
F16F 15/20 - Suppression of vibrations of rotating systems by favourable grouping or relative arrangement of the moving members of the system or systems
54.
POWER SUPPLY UNIT FOR SUPPLYING POWER AN ON-BOARD ELECTRICAL NETWORK OF A VEHICLE
The invention relates to a power supply unit (3) for supplying power to an on-board electrical network of a vehicle, including: at least two DC-to-DC converters (9A, 9B) which are interleaved and reversible between an operating mode for lowering voltage and an operating mode for raising voltage, the converters (9A, 9B) being intended for being connected to an power storage unit (ST2) and being capable of supplying current to the on-board network; and a switch (K) enabling a power source (ST1) to supply power to the on-board network when the switch (K) is in a first state, and enabling the power storage unit (ST2) to supply power to the on-board network when the switch (K) is in a second state. The unit is characterised in that the converters (9A, 9B) are variable-frequency converters, and in that the power supply unit (3) also includes a synchronisation device (200) configured such as to synchronise the operation of the converters (9A, 9B) operating at variable frequencies and the current generation of the converters.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
The invention concerns a device (3) for synchronising at least two DC/DC converters. It is characterised in that it comprises; receiving means (21A, 21B, 23A, 23B) for receiving a switching signal generated by each of the converters; means (25) for detecting a transition type of the received switching signals; means (27) for generating a synchronisation signal when a transition is detected; and means (27, S1, S2) for supplying the synchronisation signal to one of the converters, said means (27, S1, S2) being configured to supply the synchronisation signal to a different converter and in an order of succession each time a transition is detected.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
56.
POWERTRAIN FOR A HYDRAULIC HYBRID VEHICLE, WITH A PLANETARY GEAR TRAIN COMPRISING A BLOCKING SYSTEM
A powertrain for a hybrid vehicle, comprising a hydraulic pump (36) recharging pressure accumulators (40, 42), which is linked to the sun gear (14) of a planetary gear train (10), an internal combustion engine (2) being linked to the ring gear (12), the drive wheels of the vehicle being linked to the planet carrier (16) of this planetary gear train, said powertrain (1) comprising a hydraulic engine (50) supplied by the accumulators (40, 42), which is linked to the drive wheels, characterised in that it comprises a system for immobilizing the planetary gear train (38), and a free wheel (30) positioned on the drive of the pump (36), which enables the internal combustion engine (2) to drive the vehicle forward when the planetary gear train (10) is blocked, leaving said pump stopped.
F16H 3/54 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
F16H 61/4096 - Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
B60W 10/103 - Infinitely variable gearings of fluid type
B60W 20/00 - Control systems specially adapted for hybrid vehicles
57.
COOLING DEVICE FOR A POWER TRAIN OF A HYBRID VEHICLE WITH RADIATORS AND SECURING MEANS ADAPTED TO THE EXPANSIONS OF BEAMS
The present invention concerns a cooling device (D) for a power train of a vehicle comprising a heat engine and at least one electric engine, said device (D) comprising a first radiator (RI) intended to cool said heat engine, a second radiator (R2) intended to cool said electric engine and anchoring interfaces (IA1-IA4) for securing the device (D) to an essentially vertical technical front face of the vehicle, in which the anchoring interfaces (IA1 -IA4) are located only on the first radiator (RI) and in which the second radiator (R2) is secured to the first radiator (RI) by securing means that allow the two radiators (RI, R2) to have differential thermal expansions.
Device for the thermal management of a hydraulically hybridized automotive vehicle power plant comprising an internal combustion engine (1), a hydraulic member (3) comprising a heat exchange (4), a high-temperature first circuit for the thermal regulation of the internal combustion engine, a low-temperature second circuit, a heat-transfer fluid able to circulate through said circuits which comprise heat exchange means comprising a high-temperature first radiator (5) and a unit heater (7) which are connected to the first circuit and a low-temperature second radiator (6) which is connected to the second circuit, and means (210, 220, 230) for placing the first and second circuits in communication, characterized in that the communication means comprise a first (210), a second (220) and a third (230) valve, which valves are arranged in such a way as selectively to connect the heat exchanger (4) with the first and second circuits.
The invention relates to an electric circuit (CE) for a motor vehicle, comprising a first electric power storage element (1), a current generator (3) connected in parallel with the first electric power storage element (1) between a reference potential (M) and a first node (E) of the circuit (CE), a vehicle on-board network (RDB) comprising at least one electric power consumption member (8) mounted between a first node (S) of the circuit (CE) and the reference potential (M), a voltage regulator (5) mounted between the first node (E) and the second node (S), comprising an inlet terminal connected to the first node (E) and comprising an outlet terminal connected to the second node (S). The circuit is characterised in that the regulator comprises a by-pass switch (10) mounted in series between the first and second nodes (E and S) corresponding to the inlet (E) and outlet (S) terminals of the regulator (5), said by-pass switch including a switch (K) and a diode (D) mounted in parallel on the switch (K) and extending from the inlet terminal (E) to the outlet terminal (S) of the regulator (5). The circuit is also characterised in that the regulator (5) comprises a reversible DC-DC converter (11) mounted in series with a second electric power storage element (12), said converter being connected to the outlet terminal (S) of the regulator (5) and the second electric power storage element (12) being connected to the reference potential (M).
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H02M 3/10 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
60.
Variable displacement hydraulic machine, in particular for a motor vehicle
The invention relates to a variable displacement hydraulic machine, in particular for a motor vehicle, said hydraulic machine comprising a rotating cylinder (10) including a series of axial pistons (12) connected to a first plate (14) axially located on one side of said cylinder within a substantially transverse plane, the slope of which can be controlled, so as to form a first controllable displacement for said machine, wherein said machine is characterized in that the cylinder (10) further comprises a second series of axial pistons (22) connected to a second plate (24), the slope of which is also controllable, said plate being axially located, relative to the first plate (14), on the other side of said cylinder so as to form a second controllable displacement for said machine.
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F01B 13/00 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion
F04B 1/22 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
61.
COMPACT HYDRAULIC UNIT FOR A HYDRAULIC HYBRID VEHICLE
A compact hydraulic unit (11) for providing a vehicle with drive power, comprising a housing (16) in which a first (14) and a second (15) hydraulic motor are housed, mounted in opposition, one of the two motors being supported in rotation by the other, each motor comprising a distribution plate (12), a plate (17) supporting floating cylinders (8), a plate (18) axially holding the floating cylinders on the support plate, a plate (9) and fixed pistons (6, 7) arranged between the plate and the floating cylinders and cooperating with them; said hydraulic motors converting the energy coming from a pressurised fluid into mechanical energy in the form of torque driving a differential, contained in the same housing, and wherein the output shafts are coupled to the drive wheels of the vehicle; said differential comprising an axial coupling member (1) suitable for coupling the two hydraulic motors and configured to distribute the torque to the output shafts of the differential, wherein the differential is mounted in rotation inside the hydraulic motor, and the axis of rotation of the hydraulic motor coincides with the axis of rotation of the differential.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
F16H 61/44 - Control of exclusively fluid gearing hydrostatic with more than one pump or motor unit in operation
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
62.
COMPACT HYDRAULIC UNIT FOR A HYDRAULIC HYBRID VEHICLE
A compact hydraulic unit (12) for providing a vehicle with drive power, comprising a housing (16) in which a hydraulic motor (11) is housed comprising a distribution plate (13) and a cylinder (9) arranged to either side of a common fixed plate (8) and axial pistons on ball joints (6, 7) arranged between the plate and the cylinder and cooperating with them; said hydraulic motor converting the energy coming from a pressurised fluid into mechanical energy in the form of torque driving a differential, contained in the same housing, and wherein the output shafts (3) are coupled to the drive wheels of the vehicle; said differential comprising a casing (4) containing planet pinions (1) engaging with planetary gears (2) integral with the output shafts of the differential, coupled to the drive wheels of the vehicle and configured to distribute the torque to the output shafts, wherein the differential is mounted in rotation inside the hydraulic motor, and the axis of rotation (XX') of the hydraulic motor coincides with the axis of rotation of the differential.
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
63.
COMPACT HYDRAULIC MODULE FOR A HYBRID HYDRAULIC VEHICLE
The invention relates to a compact hydraulic module (11) for providing driving power to a vehicle, including a casing (16) in which a first (14) and second (15) hydraulic engine, mounted opposite each other, are accommodated, one of the two engines being rotatably supported by the other, each engine including a valve plate (12), a cylinder (8), a plate (9), and axial pistons on knuckles (6, 7) which are arranged between the plate and the cylinder and which engage therewith. Said hydraulic engines convert the energy from a pressurized fluid into mechanical energy in the form of torque driving a differential, which is contained in the same housing and the output shafts (3) of which are coupled to the drive wheels of the vehicle. Said differential comprises an axial coupling member (1) which is capable of coupling the hydraulic engines together and which is configured so as to distribute the torque to the output shafts, wherein the differential is rotatably mounted inside the hydraulic engine, and the rotational axis (XX') of the hydraulic engine coincides with the rotational axis of the differential.
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F16H 61/44 - Control of exclusively fluid gearing hydrostatic with more than one pump or motor unit in operation
B60K 1/00 - Arrangement or mounting of electrical propulsion units
64.
COMPACT HYDRAULIC UNIT FOR A HYDRAULIC HYBRID VEHICLE
A compact hydraulic unit (12) for providing a vehicle with drive power, comprising a housing (16) in which a hydraulic motor (11) is housed comprising a distribution plate (13), a plate (17) supporting floating cylinders (9), a plate (3) axially holding the floating cylinders on the support plate, arranged to either side of a common fixed plate (10) and fixed pistons (6, 7) arranged between the plate and the floating cylinders and cooperating with them; said hydraulic motor converting the energy coming from a pressurised fluid into mechanical energy in the form of torque driving a differential, contained in the same housing, and wherein the output shafts (18) are coupled to the drive wheels of the vehicle; said differential comprising a casing containing planet pinions (1) engaging with planetary gears (2) integral with the output shafts of the differential, coupled to the drive wheels of the vehicle and configured to distribute the torque to the output shafts, wherein the differential is mounted in rotation inside the hydraulic motor, and the axis of rotation (XX') of the hydraulic motor coincides with the axis of rotation of the differential.
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
65.
HYDRAULIC CIRCUIT WITH WHICH A MOTOR VEHICLE IS PROVIDED, AND HYBRID HYDRAULIC POWER TRAIN INCLUDING SUCH A HYDRAULIC CIRCUIT
The invention relates to a hydraulic circuit (9) forming part of a hybrid hydraulic power train (1) with which a motor vehicle is provided. The hydraulic circuit (9) includes a main oil pump (7) connected to an internal combustion engine (1). The hydraulic circuit (9) includes a bypass line (20, 21) provided with a secondary oil pump (19) connected to an expansion member (28) installed on a heating loop (29).
F16H 61/4096 - Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F01K 23/06 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
F02G 5/02 - Profiting from waste heat of exhaust gases
B60W 20/00 - Control systems specially adapted for hybrid vehicles
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
66.
HYDRAULICALLY POWERED HYBRID VEHICLE WITH OPTIMALLY SITUATED ELECTRIC ENERGY STORE
Hydraulically powered hybrid vehicle (10), comprising a combustion engine driving a hydraulic pump connected to pressure accumulators, one of the accumulators, of elongate tubular shape, being positioned longitudinally along the longitudinal axis (XX') of the vehicle in a longitudinal central tunnel defined by an impression made in the understructure of the vehicle, under the floor (P) of the vehicle, said vehicle further comprising an electrical energy store (20, 21) of the type comprising a plurality of electrical energy storage cells (23.1- 23.10) of UCAP type, able to power the vehicle on board network when the combustion engine is not running, and a control unit (40) for controlling the charge of the electrical energy store, characterized in that the store and the control unit are positioned in the passenger compartment and near one another, on or in close proximity to the floor of the vehicle.
The invention relates to a hydraulic hybrid vehicle (10) comprising a heat engine (30) driving a hydraulic pump connected to pressure accumulators, one (33) of the accumulators having an elongate, tubular shape being arranged longitudinally along the axis of the vehicle, in a longitudinal central tunnel (52), which is defined by a recess provided in the underbody of the vehicle, characterized in that it further comprises an electricity storage device (20) including at least one UCAP electricity storage cell, which is arranged in the tunnel between the pressure accumulator and the underbody (50) of the vehicle.
The invention relates to a hydraulic hybrid vehicle (10) comprising a heat engine (30) driving a hydraulic pump connected to pressure accumulators, one (33) of the elongate, tubular accumulators being arranged longitudinally along the axis of the vehicle in a longitudinal central tunnel (52) defined by a recess provided in the underbody of the vehicle, characterized in that it further comprises an electricity storage device (20) including at least one UCAP electricity storage cell, which is arranged in the tunnel between the pressure accumulator and the underbody (50) of the vehicle.
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 6/28 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
B60K 6/30 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by chargeable mechanical accumulators, e.g. flywheels
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
69.
DEVICE FOR HYDRAULICALLY CONTROLLING A GEARBOX, AND RELATED METHOD AND GEARBOX
The invention relates to a device (10) for hydraulically controlling a gearbox including at least one sliding gear set in motion by a fork, comprising at least one hydraulic actuator (21) capable of moving the fork and at least one solenoid valve (19, 20) that is capable of changing the state of the hydraulic actuator (21) by means of the pressure differential between a high-pressure accumulator (11) and a low-pressure accumulator (15). The device is characterized in that it further comprises a very high-pressure accumulator (27), the pressure differential between the low-pressure accumulator (15) and the very low-pressure accumulator (27) enabling the solenoid valve (19, 20) to change the state of the actuator (21).
F16H 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
70.
DEVICE FOR ATTACHING A HYDRAULIC RESERVOIR CONNECTION HOSE TO A MOTOR VEHICLE
The hydraulic reservoir (1) is attached by a number of circumferential bands (5) to the body shell (3) of the vehicle. The device of the invention consists of a band support (10) rigidly connected to at least one circumferential band (5) and attached to the floor (3). This band support (10) has, on the one hand, a part referred to as the "hose attachment" part which is separated from the circumferential band (5) in order to allow the connecting hose (4) to be passed between said circumferential band (5) and the band support (10) and, on the other hand, a means for attaching the connection hose (4) to said hose attachment part of the band support (10). Motor vehicles. Attachment of motor vehicle hydraulic reservoir connection hoses.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F16L 3/06 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing with supports for wires
The invention relates to a hybrid vehicle drive train comprising a heat engine (2) connected to a power distribution system (4) that distributes power over two paths, one path driving the driving wheels (22) of the vehicle via a mechanical transmission (14) and one path driving a hydraulic pump (10) that refills pressure accumulators (30, 32). The drive train (1) also comprises a hydraulic motor (24) which draws the fluid from the pressure accumulators in order to drive the driving wheels (22). The drive train is characterized in that it also includes an electric pump (34) which is connected to batteries (36), as well as to the pressure accumulators (30, 32) in order to refill said accumulators using power supplied by the batteries.
Planet carrier system for epicyclic gear train (37, 39, 42) of a vehicle, notably motor vehicle, transmission, comprising a planet carrier body (16) and planet carrier shafts (13) which are mounted on the body. Each of the planet carrier shafts (13) comprises firstly a planet support shaft portion (33), passing through an orifice (22) in the body and lying on a first side (16S) of the body and secondly a protrusion (35) for axially blocking said planet carrier shaft (13) relative to the body (16). A securing device (60) for each planet carrier shaft (13) keeps the protrusion (35) pressed firmly against the body (16) around the orifice (22) on the second side (16F) of the body.
The invention relates to a hydraulic drive system for a motor vehicle, including a motor for producing mechanical energy (2), a hydraulic pump (4) driven by said motor in order to recharge pressure accumulators (33, 34), and at least one hydraulic traction machine (18), which is suitable for driving drive wheels (30) of the vehicle, and which is controlled by a hydraulic unit (8) connected to said pressure accumulators. The pressure accumulators (33, 34) and the hydraulic unit (8) are directly connected to each other, thereby forming a rigid hydraulic subassembly. The hydraulic traction machine (18) is disconnected from said rigid hydraulic subassembly, while being directly connected to a differential in order to form a rigid traction subassembly. A gearbox system is positioned between the hydraulic traction machine and the differential. The invention also relates to a vehicle provided with such a system.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
74.
DEVICE FOR SEALINGLY ATTACHING A ROTATABLE COUPLING TO A PIPE TO BE RIGIDLY CONNECTED TO A STATIONARY STRUCTURE, SUCH AS THE HOUSING OF A MOTOR VEHICLE GEARBOX
The present invention relates to a device for sealingly attaching a rotatable coupling to a pipe to be rigidly connected to a stationary structure, such as the housing of a motor vehicle gearbox. According to the invention, the device is characterized in that it includes a stirrup (6) mounted on the pipe (1), which is to rigidly connect the pipe (1) to the stationary structure and the two arms (7) of which are inserted into two slots (8), respectively, said slots passing through the wall of the pipe (1) in order to partially project inside the pipe (1) and be inserted into a groove (9) of a tubular section (4) of the rotatable coupling (2) accommodated inside the pipe (1), such that the clamp (6) holds the tubular section (4) axially inside the pipe (1) and enables said section to rotate freely relative to the pipe (1). The invention can be used in the automotive field.
F16L 3/02 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
F16L 27/08 - Adjustable jointsJoints allowing movement allowing adjustment or movement only about the axis of one pipe
F16L 37/14 - Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
75.
HYBRID VEHICLE USING HYDRAULIC POWER AND ASSOCIATED MANAGEMENT METHOD
The invention relates to a hybrid vehicle (45) comprising a thermal power train including a heat engine (1), a hydraulic power train including at least one hydraulic machine (16, 17) associated with at least one pressure accumulator (19, 20) and a first hydraulic pump (2) which is associated with the heat engine (1) and which can refill the pressure accumulator (19, 20). The hybrid vehicle (45) is characterised in that it also comprises an electric machine (22) which is mechanically connected to a second hydraulic pump (21) and which can drive the second hydraulic pump (21) in order to refill the pressure accumulator (19, 20) independently of the heat engine (1).
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 20/00 - Control systems specially adapted for hybrid vehicles
B60W 10/24 - Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
The invention relates to a device (10) for hydraulically controlling a gearbox, comprising at least one sliding gear (24) moved by a fork (23). The control device includes: at least one hydraulic actuator (21) which can move the fork (23), at least one electrically controlled valve (13, 17) which can modify the state of the hydraulic actuator (21), and a system (26) for controlling the electrically controlled valve (13, 17). The control device (10) is characterised in that the electrically controlled valve (13, 17) is of the all-or-nothing type and in that the device also includes at least one flow limiter (12, 18) and an accumulator (16), both of which are coupled to the electrically controlled valve.
F16H 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
The invention relates to a device which comprises a gear change fork (1), a hydraulic cylinder including a stationary cylindrical spindle (2) with a stationary transverse wall (3) projecting from said spindle (2) and a piston that is translatably movable by sliding over said transverse stationary wall (3). The piston consists of a piston body (4) closed by a radial closing part referred to as a "plug" (5) so as to define two inner chambers (6, 7) of the cylinder, which are situated on either side of said stationary transverse wall (3), respectively. Means for pressurizing both of the two cylinder chambers (6, 7) are provided for moving the movable piston (4, 5) in one direction or another. In the device according to the invention, the piston body (4) is directly built into the gear shift fork (1) whereby, as a result of the pressure in a cylinder chamber (6, 7), it is the fork (1) that moves translatably.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
78.
HYDRAULIC PUMP MOTOR SYSTEM WITH RELEASABLE PRESSURE AMPLIFICATION
The system of the invention includes: a main hydraulic pump motor (4) having an inlet connected to a high-pressure system and an inlet connected to a low-pressure system; and a pressure amplifier consisting of two hydraulic pump motors (1, 3) that are conjoined by a mechanical shaft (2) and denoted as the first pump motor (1) and second pump motor (3), respectively. The first pump motor (1) has an inlet connected to said high-pressure system and an inlet connected to said low-pressure system. The high-pressure side of the first pump motor (1) is connected to the low-pressure side of the second pump motor (3). Additionally, a controlled means is provided so as to make it possible to activate or deactivate said amplifier for amplifying the pressure differential at the inlets of the first pump motor (4). The invention can be used in motor vehicles, hydraulic systems, and hydrostatic power transmissions for vehicles.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F15B 3/00 - Intensifiers or fluid-pressure converters, e.g. pressure exchangersConveying pressure from one fluid system to another, without contact between the fluids
F15B 11/032 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force by means of fluid-pressure converters
F16H 61/4096 - Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
F16H 61/4017 - Control of high pressure, e.g. avoiding excess pressure by a relief valve
F16H 61/448 - Control circuits for tandem pumps or motors
79.
VEHICLE COMPRISING A HYBRID COMBUSTION ENGINE/HYDRAULIC POWER TRAIN WITH POWER DISTRIBUTION
Vehicle, notably automotive vehicle, comprising a hybrid combustion engine/hydraulic power train (10) comprising a combustion engine (11), at least one hydraulic motor (13), a hydraulic pump (12) able to supply hydraulic pressure to the hydraulic motor, a mechanical transmission system of hydraulic origin (20) and a mechanical transmission system of thermal origin (40) comprising a primary combustion power shaft, separate from the combustion engine shaft, coupled to the combustion engine, and a power distributor (30) coupled between the shaft of the combustion engine, the primary combustion power shaft and the pump shaft, the shaft of the combustion engine, the primary combustion power shaft and the pump shaft being coaxial.
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 47/02 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
80.
METHOD AND DEVICE FOR STARTING A COMBUSTION ENGINE THAT POWERS A PUMP IN A HYDRAULIC SYSTEM
The present invention relates to a device (10) for starting a combustion engine (20) that powers a pump (30) in a hydraulic system, said device being contained between a high-pressure accumulator (41) and a low-pressure accumulator (42) and being situated partially in parallel with said pump (30), said device (10) being characterized in that it comprises: a controlled nonreturn valve (1) between the inlet of said high-pressure accumulator (41) and the inlet of said pump (30)facing said high-pressure accumulator (41); • a controlled means (3) between the inlet of said high-pressure accumulator (41) and the inlet of said low-pressure accumulator (42); and • a pressure multiplier (2) between the inlet of said pump (30) and the inlet of said controlled means (3) opposite said high-pressure accumulator (41). The present invention also relates to a method of starting a combustion engine (20) that powers a pump (30) in a hydraulic system.
The invention relates to a hydraulic drive system for motor vehicles. The system comprises: a motor (2) driving a hydraulic pump (4) for recharging pressure accumulators (22, 26); and at least one hydraulic traction motor (40, 60) driving drive wheels (30, 50) of the vehicle, which is controlled by a HP hydraulic power unit (8, 58) connected to said pressure accumulators. The system is characterised in that the pressure accumulators (22, 26), the HP hydraulic power units (8, 58) and the hydraulic traction motors (40, 60) are connected directly to one another in order to form a rigid sub-assembly.
Method for controlling a refilling motor (2) that drives a hydraulic pump (4) that refills at least one pressure accumulator (8), this accumulator thereafter delivering the hydraulic pressure (P) to a hydraulic traction machine (20) of a hybrid vehicle, characterized in that it takes account both of the rate of discharge of the pressure accumulator (8) and of the time to start (∆t) the refilling motor (2) so as to manage this start in such a way that this accumulator more or less reaches its minimum operating pressure level (P1) at the end of this start (t1).
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 30/192 - Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
Motorized propulsion system for a vehicle, notably an automobile, comprising a combustion engine (11), a hydraulic motor (13), a device for producing hydraulic pressure (12) and a mechanical power output device (15, 23) for driving at least one shaft (16) of a driven wheel (18). A first meshing transmission device (20) is between the hydraulic motor and the output device (15, 23) with coupling or uncoupling of the hydraulic motor and of the output device. A mechanical power apportioning device (35) is arranged at the output side of the combustion engine to apportion power between, on the one hand, the device for producing pressure and, on the other hand, the output device via a second meshing transmission device (50). This second device is between the apportioning device (35) and the output device with coupling or uncoupling of the apportioning device and of the output device.
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
F16H 61/4096 - Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
The invention relates to a system for accumulating hydraulic pressure, including at least two basic pressure accumulators (2) which are connected together and each of which comprise a connection opening (4) arranged along a main axis (A), characterized in that it comprises a coupling block (10, 40) including at least two opposite outlets (20) to which the connection openings (4) of the two accumulators (2) are attached, said block rigidly holding said basic accumulators opposite each other such that the latter are aligned with the main axis (A).
The invention relates to a variable displacement hydraulic machine, in particular for a motor vehicle, said hydraulic machine comprising a rotating cylinder (10) including a series of axial pistons (12) connected to a first plate (14) axially located on one side of said cylinder within a substantially transverse plane, the slope of which can be controlled, so as to form a first controllable displacement for said machine, wherein said machine is characterized in that the cylinder (10) further comprises a second series of axial pistons (22) connected to a second plate (24), the slope of which is also controllable, said plate being axially located, relative to the first plate (14), on the other side of said cylinder so as to form a second controllable displacement for said machine.
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F04B 1/22 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
F04B 1/32 - Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
B60K 6/08 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means
The invention relates to a drive wheel traction chain for a hybrid vehicle comprising a heat engine (2) and a hydraulic traction machine (22) powered by hydraulic accumulators (10, 12) forming two power units that can be used to drive the drive wheels (8) of the vehicle. The invention is characterised in that it also comprises: a recharge module (14) including electricity storage batteries (30) connected to an electric machine (34) which drives a hydraulic recharge machine (36) that powers the hydraulic accumulators (10, 12), and a means (42) for controlling the recharge module (14) connected to the means for controlling the power units (2, 22) of the vehicle.
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B60K 6/12 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
B60K 6/42 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
patents
