Abstract

An energy storage system for an electric vehicle which has a plurality of components including a battery, an electric machine and an inverter, at least one of the plurality of components requiring cooling, and a cooling system. The cooling system comprises a liquid coolant circuit charged with liquid coolant, the liquid coolant having a normal operating temperature. The cooling system includes a pump and a coolant carrying conduit, the conduit delivering coolant to the or each component requiring cooling, and a refrigeration circuit. The refrigeration circuit includes a compressor and an evaporator. The evaporator and a heat exchange element of the coolant circuit are both situated in a heat exchanger. The energy storage system further comprises: a plurality of parameter sensors including at least a battery charge status sensor and an electric machine torque sensor; a communications network; and a controller. The controller, the parameter sensors and at least some of the plurality of components are connected to the communications network; and the controller is configured to control the flow of electricity between the electric machine, the battery, and other electricity consuming components of the plurality of components according to pre-programmed priorities. The controller is configured to cause the compressor of the refrigeration circuit and the pump of the coolant circuit to operate when the controller senses that the battery is fully charged and the torque on the electric machine is negative to sub-cooled.

IPC Classes  ?

• B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
• B60H 1/00 - Heating, cooling or ventilating devices
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Abstract

An electrically powered propellor apparatus comprising an axial flux electric machine. The axial flux electric machine comprises a rotor, at least one stator and a shaft. The shaft mounts the rotor and the shaft is mounted in at least two spaced apart thrust bearings. Each of the thrust bearings is configured to resist thrust in opposing axial directions of the shaft. The shaft has a propellor mounted on at least one end thereof.

IPC Classes  ?

• H02K 11/33 - Drive circuits, e.g. power electronics
• H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64D 27/24 - Aircraft characterised by the type or position of power plants using steam or spring force
• B64D 31/00 - Power plant control systemsArrangement of power plant control systems in aircraft
• H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
• H02K 7/08 - Structural association with bearings
• H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Abstract

A brushless bi-directional electric machine comprises a housing mounting exciting coils, a rotor and a stator, the exciting coils and the stator being stationary with respect to the housing and the rotor mounted for rotation with respect to the housing. The electric machine comprises a controller configured to control an exciting current supplied to the exciting coils.

IPC Classes  ?

• 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
• B60K 6/485 - Motor-assist type
• B60W 20/00 - Control systems specially adapted for hybrid vehicles
• H02P 9/48 - Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle
• H02P 25/03 - Synchronous motors with brushless excitation
• H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
• H02P 9/30 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
• H02K 1/24 - Rotor cores with salient poles
• H02K 19/10 - Synchronous motors for multi-phase current
• H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding

Abstract

A hybrid system for a heavy duty vehicle having an engine and a pneumatic system. The hybrid system comprises a direct current (dc) network having a peak voltage not exceeding 60 volts, and connected to the dc network electrical components including: a battery, a starter/ generator electric machine having a power delivery mode in which an electrical energy input to the starter/generator is converted into a rotational power output and an electricity generation mode in which a rotational power input is converted into an electrical power output, a plurality of electrically powered ancillary devices one of which is an electrically powered compressor of the pneumatic system, a plurality of vehicle parameter sensors, a communications network and a controller, wherein the controller, the vehicle parameter sensors and the electrical components are connected to the communications network; and wherein the controller is configured to control the flow of electricity between the starter/generator, the battery, and the electricity consuming devices according to pre-programmed priorities and wherein the priorities include causing kinetic energy converted into electrical energy by the starter/generator when in its electricity generation mode to be stored by the battery by charging the same or in the pneumatic system by operating an electric motor driven air compressor of the pneumatic system.

IPC Classes  ?

• B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
• B60L 11/16 - using power stored mechanically, e.g. in flywheel

Abstract

An integrated electric power train comprises an electric machine, a mechanical speed converter and a transfer shaft each mounted in a common housing. The mechanical speed reducer includes a plurality of wheels and an output shaft; the electric machine includes a stator and a rotor, the stator attached to one of the walls of the housing; and the rotor and one of the plurality of wheels are each mounted on the transfer shaft for the transfer of rotational power therethrough from the rotor to the output shaft.

IPC Classes  ?

• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
• B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
• H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
• H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
• H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
• H02K 11/33 - Drive circuits, e.g. power electronics

Abstract

An electrically powered propellor apparatus comprising an axial flux electric machine. The axial flux electric machine comprises a rotor, at least one stator and a shaft. The shaft mounts the rotor and the shaft is mounted in at least two spaced apart thrust bearings. Each of the thrust bearings is configured to resist thrust in opposing axial directions of the shaft. The shaft has a propellor mounted on at least one end thereof.

IPC Classes  ?

• H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
• H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
• B64C 39/00 - Aircraft not otherwise provided for

Abstract

A brushless bi-directional electric machine comprises a housing mounting exciting coils, a rotor and a stator, the exciting coils and the stator being stationary with respect to the housing and the rotor mounted for rotation with respect to the housing. The electric machine comprises a controller configured to control an exciting current supplied to the exciting coils.

IPC Classes  ?

• H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
• H02K 19/10 - Synchronous motors for multi-phase current
• H02K 1/24 - Rotor cores with salient poles
• H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
• H02P 25/03 - Synchronous motors with brushless excitation

Goods & Services

Motors, generators, motor/generator machines, engines, powertrains, transmissions, machine parts, and controls for the operation of machines, engines, powertrains, transmissions, machine parts; electrical power generators; electric motors, electric generators, electric motor/generators, electric drives; bi-directional electric motors, bi-directional electric generators, bi-directional electric motor/generators; crank assist electric motors, crank assist electric generators, crank assist electric motor/generators; brushless electric motors, brushless electric generators, brushless electric motor/generators; axial flux electric motors, axial flux electric generators, axial flux electric motor/generators; electric motors; wheel motors; starter motors; alternators; controllers for electric machines; fans; pumps; oil pumps; coolant pumps; charge air coolers; liquid charge air coolers; heat exchangers for machines; thermal heat management systems; valves; fans for thermal heat management systems, fan drives; controlled for thermal heat management systems; heat recovery systems; bearings; shafts; shaft couplings; axles; control mechanisms; control cables; gears; pulleys; oil filters; air filters; air compressors; drives for air compressors; pneumatic and hydraulic controls; alternators; pumps; thermal heat management systems for use with vehicles, namely heat pumps, valves, fans, fan drives; parts and fittings for all the aforesaid goods. Electronic control, information sensing, information analysis and information display systems; sensors; electrical sensors, electronic sensors, temperature sensors, pressure sensors, position sensors; battery charge status monitoring systems; diagnosis systems, management systems all for use on or in connection with vehicles or machines; parts and fittings for all the aforementioned goods; data carriers for use with any of the aforementioned goods; software for use in connection with all the aforementioned goods, including software for remote communication with all the aforementioned systems; software for the creation of control regimes for all the above-mentioned control systems; electrical and electronic components for vehicles and machines, not included in other classes, electric batteries and accumulators, battery chargers; thermal heat management systems for use with vehicles, namely temperature sensors, flow sensors and controllers. Vehicles; electric vehicles; hybrid vehicles; land vehicles; air vehicles, drones; water going vessels; ships, boats, hovercraft; gears, power transmission apparatus; propellor drives; hydraulic couplings; engines, powertrains, transmissions, machine parts, and controls for the operation of machines; electrical power generators; electric machines; bi-directional electric machines; crank assist electric machines; brushless electric machines; axial flux electric machines; electric motors; wheel motors; starter motors; alternators; controllers for electric machines; fans; oil pumps; coolant pumps; charge air coolers; liquid charge air coolers; heat exchangers for vehicles; thermal heat management systems for use with vehicles, namely heat exchangers, heat sinks; valves; fans for thermal heat management systems, fan drives; controls for thermal heat management systems; heat recovery systems; bearings; shafts; shaft couplings; axles; control mechanisms; control cables; gears; pulleys; chains; oil filters; air filters; air compressors; drives for air compressors; pneumatic and hydraulic controls; brakes; braking systems; heat exchangers for vehicles; parts and fittings for all the aforesaid goods and all for use with vehicles. Maintenance and repair of vehicles; maintenance and repair of electric and hybrid electric vehicles. Mechatronic product assembly; manufacture of prototypes for third parties. Engineering services; electronic circuit design; control systems and embedded firmware development; CANbus integration; motor design and magnetic circuit modelling; 3D mechanical design and modelling; finite element analysis; computational fluid dynamics; computational thermal analysis; prototype fabrication; vehicle prototype installations; environmental testing and product validation; mechatronic product testing.

Goods & Services

Maintenance and repair of vehicles; maintenance and repair of electric and hybrid electric vehicles. Mechatronic product assembly; manufacture of prototypes for third parties. Engineering services; electronic circuit design; control systems and embedded firmware development; CANbus integration; motor design and magnetic circuit modelling; 3D mechanical design and modelling; finite element analysis; computational fluid dynamics; computational thermal analysis; vehicle prototype design services; environmental testing and product validation; mechatronic product testing.

Goods & Services

Motors, generators, motor/generator machines, engines, powertrains, transmissions, machine parts, and controls for the operation of machines, engines, powertrains, transmissions, machine parts; electrical power generators; electric motors, electric generators, electric motor/generators, electric drives; bi-directional electric motors, bi-directional electric generators, bi-directional electric motor/generators; crank assist electric motors, crank assist electric generators, crank assist electric motor/generators; brushless electric motors, brushless electric generators, brushless electric motor/generators; axial flux electric motors, axial flux electric generators, axial flux electric motor/generators; electric motors; wheel motors; starter motors; alternators; controllers for electric machines; fans; pumps; oil pumps; coolant pumps; charge air coolers; liquid charge air coolers; heat exchangers for machines; thermal heat management systems; valves; fans for thermal heat management systems, fan drives; controlled for thermal heat management systems; heat recovery systems; bearings; shafts; shaft couplings; axles; control mechanisms; control cables; gears; pulleys; oil filters; air filters; air compressors; drives for air compressors; pneumatic and hydraulic controls; alternators; pumps; thermal heat management systems for use with vehicles, namely heat pumps, valves, fans, fan drives; parts and fittings for all the aforesaid goods. Electronic control, information sensing, information analysis and information display systems; sensors; electrical sensors, electronic sensors, temperature sensors, pressure sensors, position sensors; battery charge status monitoring systems; diagnosis systems, management systems all for use on or in connection with vehicles or machines; parts and fittings for all the aforementioned goods; data carriers for use with any of the aforementioned goods; software for use in connection with all the aforementioned goods, including software for remote communication with all the aforementioned systems; software for the creation of control regimes for all the above-mentioned control systems; electrical and electronic components for vehicles and machines, not included in other classes, electric batteries and accumulators, battery chargers; thermal heat management systems for use with vehicles, namely temperature sensors, flow sensors and controllers. Vehicles; electric vehicles; hybrid vehicles; land vehicles; air vehicles, drones; water going vessels; ships, boats, hovercraft; gears, power transmission apparatus; propellor drives; hydraulic couplings; engines, powertrains, transmissions, machine parts, and controls for the operation of machines; electrical power generators; electric machines; bi-directional electric machines; crank assist electric machines; brushless electric machines; axial flux electric machines; electric motors; wheel motors; starter motors; alternators; controllers for electric machines; fans; oil pumps; coolant pumps; charge air coolers; liquid charge air coolers; heat exchangers for vehicles; thermal heat management systems for use with vehicles, namely heat exchangers, heat sinks; valves; fans for thermal heat management systems, fan drives; controls for thermal heat management systems; heat recovery systems; bearings; shafts; shaft couplings; axles; control mechanisms; control cables; gears; pulleys; chains; oil filters; air filters; air compressors; drives for air compressors; pneumatic and hydraulic controls; brakes; braking systems; heat exchangers for vehicles; parts and fittings for all the aforesaid goods and all for use with vehicles. Maintenance and repair of vehicles; maintenance and repair of electric and hybrid electric vehicles. Mechatronic product assembly; manufacture of prototypes for third parties. Engineering services; electronic circuit design; control systems and embedded firmware development; CANbus integration; motor design and magnetic circuit modelling; 3D mechanical design and modelling; finite element analysis; computational fluid dynamics; computational thermal analysis; prototype fabrication; vehicle prototype installations; environmental testing and product validation; mechatronic product testing.