A heat pump (100) having the following features is described: an evaporator (50) for evaporating a fluid in order to obtain an evaporated fluid, the evaporator (50) having an evaporator sump (52); a condenser (60) for condensing an evaporated fluid compressed by an N-stage compressor, the condenser (60) having a condensing sump (64), a condensation region (66) and a holding region (67) for holding vaporous fluid still remaining after the condensation region (66); the N-stage compressor which comprises N compressors, N being a natural number greater than or equal to one and the N-stage compressor being arranged between the evaporator (50) and the condenser (60); a vapour duct (30) which couples at least two of the N compressors of the N-stage compressor between the evaporator (50) and the condenser (60), and a vapour-conducting line (92) which is arranged between the condenser (60) and the evaporator (50) in order to conduct vaporous fluid out of the holding region (67) of the condenser (60) into the evaporator (50). Furthermore, methods for operating and producing the heat pump are described.
A heat pump (100) with an evaporator (50) for evaporating a fluid in order to obtain evaporated fluid is described; with a condenser (60) for condensing a compressed fluid; with a compressor having a first compressor stage (10) and a second compressor stage (20), the compressor being arranged in the flow direction of the evaporated fluid during operation of the heat pump (100) between the evaporator (50) and the condenser (60) and being designed to compress the evaporated fluid in order to obtain compressed fluid; and with a bridging duct (62) between the first compressor stage (10) and the condenser (60) in order to bridge the second compressor stage (20), a cross-section reducing element (70) being arranged in the bridging duct (62) in order to adjust a cross section of the bridging duct (62) so as to control a flow of compressed fluid from the first compressor stage (10) to the condenser (60). Furthermore, methods for operating and producing the heat pump are described.
A heat pump (100) with an evaporator (50) for evaporating a fluid in order to obtain an evaporated fluid is described, the evaporator (50) having an evaporator sump (52); with a compressor having a first compressor stage (10) and a second compressor stage (20), the compressor being arranged in the flow direction of the evaporated fluid during operation of the heat pump (100) between the evaporator (50) and a condenser (60) and being designed to compress the evaporated fluid in order to obtain compressed fluid; and with a condenser (60) for condensing the compressed fluid; and with an intermediate cooler (40) which is connected to an intermediate cooling fluid supply line (3) and which has an operating element (42), the operating element (42) being arranged between the first compressor stage (10) and the second compressor stage (20) and being designed to bring about an interaction between an intermediate cooling fluid, which can be supplied through the intermediate cooling fluid supply line (3), and a heated vaporous fluid, which can be discharged from the first compressor stage (10), and wherein the intermediate cooling fluid supply line (3) extends from the evaporator sump (52) to the operating element (42). Furthermore, methods for operating and producing the heat pump are described.
A heat pump (100) with an evaporator (50) for evaporating a fluid in order to obtain an evaporated fluid is described, the evaporator (50) having an evaporator sump (52); with a condenser (60) for condensing a compressed fluid, the condenser (60) having a condenser sump (64); with a compressor having a first compressor stage (10) and a second compressor stage (20), the compressor being arranged in the flow direction of the evaporated fluid during operation of the heat pump (100) between the evaporator (50) and the condenser (60) and being designed to compress the evaporated fluid in order to obtain the compressed fluid; with a container (45) for collecting an intermediate cooling fluid; and with a heat exchanger (82) having a pipe (56) which is designed such that the intermediate cooling fluid flows through it from the container (45), the pipe (56) being arranged in a flow region (11) between the first compressor stage (10) and the second compressor stage (20) in order to cool vaporous fluid in the flow region (11). Furthermore, methods for operating and producing the heat pump are described.
A heat pump (100) is described having an evaporator (50) for evaporating a fluid in order to obtain an evaporated fluid; a condenser (60) for condensing a compressed fluid; a compressor with a first compressor stage (10) and with a second compressor stage (20), wherein the compressor is arranged in the direction of flow of the evaporated fluid between the evaporator (50) and the condenser (60) during operation of the heat pump (100) and is designed to compress the evaporated fluid in order to obtain the compressed fluid; a value recording device (95) for recording a first value (P1) which corresponds to a first pressure ratio between an inlet of the first compressor stage (10) and an outlet of the first compressor stage (10) or is dependent on the first pressure ratio; and a controller (96) for controlling a first rotational speed of the first compressor stage (10) and a second rotational speed of the second compressor stage (20), wherein the controller (96) is designed to control the second rotational speed of the second compressor stage (20) depending on the first value (P1). Furthermore, methods for operating and producing the heat pump are described.
The invention relates to a refrigerating machine (1) comprising an evaporator (3) for evaporating the refrigerant, a suction funnel (6), a compressor (2) and a condenser (4), the suction funnel (6) collecting evaporated refrigerant and feeding it to the compressor (2), which is connected to the outlet opening (8) of the suction funnel, along the clear cross-section which tapers from the inlet opening (7) to the outlet opening (8), wherein the suction funnel (6) has an inlet opening (7), the clear cross-section of which has (substantially) a rotation-symmetrical shape with a first clear cross-sectional area (LQF1), and an outlet opening (8), the clear cross-section of which has (substantially) a rotation-symmetrical shape with a second clear cross-sectional area (LQF2), where LQF1 > LQF2.
The invention relates to a heat pump with an evaporator, a condenser and a compressor, which compresses the vapour (W) created on evaporation of the working fluid conducted in the circuit such that the pressure and temperature thereof increase and then forces the vapour (W) into the condenser, wherein the compressor has an axially aspirating and radially compressing impeller (1), which rotates in an impeller housing (2) and is vaned between the leading edge (3) and the trailing edge (4) of the impeller, wherein the impeller housing (2) comprises a diffuser (20) downstream of the trailing edge (4) of the impeller (1), characterized in that the diffuser (20) comprises an approximately radial diffuser passage (21) connecting downstream to, more particularly directly connecting to, the impeller (1) and an approximately axial diffuser passage (22) connecting downstream to the radial diffuser passage (21), in that the radial diffuser passage (21) is vaneless, in that the axial diffuser passage (22) comprises deswirl vanes (23), more particularly for slowly and regularly decelerating the vapour flow.
A bearing holder (10) comprises an inner portion (30) and an outer portion (20), wherein the inner portion (30) has a receiving contour for receiving a bearing, and the outer portion (20) is designed to be attached to a housing. A transition region (25) between the inner portion (30) and the outer portion (20) has a spring (55). The transition region (25) lies at least partially in a plane perpendicular to an axial axis (70) of the receiving contour and lies at least partially in one plane with at least one part of the inner and of the outer portion (20, 30). The transition region (25) has a damper (80) and the damper (80) is designed to dampen a vibration of the inner portion (30) in order to reduce a transmission of the vibration from the inner portion (30) to the outer portion (20). Furthermore, an electric motor, a method for producing a bearing holder (10) and methods for operating a bearing holder (10) are described.
The invention relates to a refrigeration unit (1) comprising an evaporator (3) for evaporating the refrigerant, a suction funnel (6), a compressor (2) and a condenser (4), the suction funnel (6) collecting evaporated refrigerant and feeding it to the compressor (2), which is connected to the outlet opening (8) of the suction funnel, along the clear cross-section which reduces from the inlet opening (7) to the outlet opening (8); the suction funnel (6) has an inlet opening (7) of which the clear cross-section has (substantially) an elliptical shape with a first clear cross-sectional area (LQF1), and an outlet opening (8) of which the clear cross-section has (substantially) an elliptical or circular shape with a second clear cross-sectional area (LQF2), where LQF1 > LQF2.
A heat pump system comprising an evaporator and a condenser and also a turbo compressor which is driven by an electric motor (17a) having a stator (7) and having a rotor (6) with preferably permanent-magnet excitation, wherein a double can (10) is formed in the gap between the stator (7) and the rotor (6), which double can has, in its interior, a cavity (12) which can be used for cooling purposes or insulation purposes.
H02K 5/128 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
H02K 9/02 - Arrangements for cooling or ventilating by ambient air flowing through the machine
A cooling device has the following features: an evaporator (100) for evaporating a working fluid (110), said working fluid (110) being held on an evaporator base (120); a compressor (200) for compressing evaporated working fluid (130), said compressor (200) being designed to convey the evaporated working fluid (130) from the bottom to the top in a placement direction; a condenser (300) with an upper wall (310), which is designed such that the evaporated and compressed working fluid (340) can be condensed on the upper wall (310) and drips (320) down from the top; and an intermediate base (400) which is designed to collect the working fluid (320) that has dripped down, wherein the intermediate base (400) has at least one opening (420) through which the working fluid that has dripped down can reach the evaporator base (120).
An electric motor comprises the following features: a rotor (100) with a first number of permanent magnets (101, 102, 103, 104), wherein each permanent magnet comprises a first circular sector; a stator (200) with a second number of pole feet, wherein a coil is wound around each pole foot of the second number of pole feet, and wherein a pole foot comprises a second circular sector which is smaller than the first circular sector, wherein a first group of coils (301, 302, 303, 304) are electrically conductively connected to one another by means of a first star point (311), and wherein a second group of coils (321, 322, 323, 324) are electrically conductively connected to one another by means of a second star point (331), wherein the second star point (331) is electrically insulated from the first star point (311), wherein one coil of the first group of coils is arranged between two coils of the second group of coils; and a controller (500) for applying drive signals to the first group (301, 302, 303, 304) of coils in order to provide the rotor (102) with a torque in relation to the stator (200), and for applying a control signal, which differs from the drive signals, to at least one coil (321, 322, 323, 324) of the second group of coils.
H02K 3/28 - Layout of windings or of connections between windings
H02K 7/09 - Structural association with bearings with magnetic bearings
13.
ELECTRIC MOTOR, HEAT PUMP HAVING THE ELECTRIC MOTOR, METHOD FOR PRODUCING THE ELECTRIC MOTOR, AND METHOD FOR OPERATING THE ELECTRIC MOTOR WITH USE OF A LABYRINTH SEAL
The invention relates to a motor for a compressor, comprising: a bearing region (1000) with a rotatable portion (705) mounted on a motor shaft (306), a fixed portion (703) and a bearing lubrication (707) between the rotatable portion and the fixed portion; a motor region (1100); and a compressor wheel (304), which is arranged in a compressor space (104), wherein: the motor region (1100) is arranged between the bearing region (1000) and the compressor wheel (304); the motor shaft (306) extends from the bearing region (1000) through the motor region (1100) to the compressor wheel (304); the motor region (1100) and the compressor space (104) are designed to enable a flow of gas between a gas feed (310, 320) and the compressor space; the gas feed is arranged between the bearing region (1000) and the motor region (1100); and a labyrinth seal (1010) is arranged between the bearing region (1000) and the gas feed (310, 320) in order to seal off the bearing region (1000) from the gas feed (310, 320).
The invention relates to a heat pump having the following features: an evaporator (90) for evaporating working liquid; a condenser (114) for condensing compressed working steam; a compressor motor (110) having a suction mouth (92), on which a radial impeller (304) is mounted in order to convey working steam (314) evaporated in the evaporator (90) through the suction mouth (92); a guide space (302) which is arranged to guide a working steam (112) conveyed by the radial impeller (304) into the condenser (114); and a cooling device (420) for cooling the guide space (302) or the suction mouth (92) with a liquid, wherein the cooling device (420) is designed to guide (421, 422) the liquid on an outer side of the guide space (302) or the suction mouth (92), wherein the outer side is not in contact with the working steam (314, 112), and wherein an inner side of the guide space (302) or the suction mouth (92) is in contact with the working steam (314, 112).
A fluid switchover device comprises the following features: a housing (10) having at least three connection points (11, 12, 13, 14), which lead into an interior; a valve flap (30) having a rotary shaft (40), the valve flap being rotatably arranged in the housing (10), and the rotary shaft (40) being attached to the housing at a first point (41) and at a second point (42); and a peripheral seal (50), which is attached to the valve flap (30) and which has a first avoiding portion (51) at the first point (41) and a second avoiding portion (52) at the second point (42), the first avoiding portion (51) and the second avoiding portion (52) being designed to avoid the rotary shaft (40) on the same side of the valve flap (30), and the valve flap being designed to slidingly delimit the interior by means of the peripheral seal (50) so that in a first position of the valve flap the first connection point (11) is connected to the second connection point (12) and the first connection point (11) is sealed off from the third connection point and in a second position of the valve flap the first connection point (11) is connected to the third connection point (13) and the first connection point (11) is sealed off from the second connection point (12).
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 11/052 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
16.
HEAT PUMP HAVING CLOSED INTERMEDIATE COOLING AND METHOD FOR PUMPING HEAT OR METHOD FOR PRODUCING THE HEAT PUMP
The invention relates to a heat pump comprising an evaporator (10) for evaporating working fluid, a condenser (20) for condensing compressed working steam; a compressor (30) having a first compressor stage (31), a second compressor stage (33) and a steam chamber (32) between the first compressor stage (31) and the second compressor stage (33); and an intermediate cooler (40) having a heat exchanger (43), which is arranged in the steam chamber (32), and which has a heat exchanger input (41) and a heat exchanger output (42), wherein the heat exchanger input (41) or the heat exchanger output (42) is connected to a condenser input (21) or a condenser output (22) in order to direct cooling fluid for the condenser (20) in a circuit both through the condenser (20) and through the heat exchanger (43) during operation of the heat pump.
The invention relates to a heat pump arrangement comprising a heat pump device (100), an evaporator circuit interface (200) for introducing liquid (230) to be cooled into the heat pump device (100) and for discharging cooled liquid (220) from the heat pump device (100), a condenser circuit interface (300) for introducing liquid (330) to be heated into the heat pump device and for discharging heated liquid (320) from the heat pump device, a controllable heat exchanger (700) for controllable coupling of the evaporator circuit interface (200) and of the condenser circuit interface (300), and a controller (400) for controlling the controllable heat exchanger (700) depending on an evaporator circuit temperature in the evaporator circuit interface (200) or a condenser circuit temperature in the condenser circuit interface (300).
A rotor for an electric motor comprises a motor gap (40), having the following features: a plurality of permanent magnets (11, 12, 13, 14) which are fixed to one another, each permanent magnet having a side (15c) facing the motor gap, said rotor being designed as an external rotor; and an annular magnetic return element (202), said magnetic return element (202) having a first region (202a), a second region (202b), and a third region (202c). The first region (202a) has a first internal diameter, and the plurality of permanent magnets (14) are arranged in the second region (202b); the second region has a second internal diameter; the third region has a third internal diameter; the second internal diameter is greater than the first internal diameter and the third internal diameter; the third internal diameter is greater than the first internal diameter; and the third internal diameter is greater than the external diameter of a stator (200) for the electric motor.
The invention relates to a rotor for an electric motor, having a motor gap (40), and comprising the following features: a plurality of mutually fixed permanent magnets (11, 12, 13, 14), each permanent magnet having a side (15c) facing the motor gap; a first coating (20) arranged on the sides (15c) of the permanent magnets (11-14) facing the motor gap (40), the first coating (20) having a first thermal conductivity; and a second coating (30) which is in contact with a respective other side (15a, 15b) of the plurality of permanent magnets (11-14), the second coating (30) having a second thermal conductivity that is greater than the first thermal conductivity.
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
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
20.
STATOR FOR AN ELECTRIC MOTOR HAVING A COOLING TUBE
A stator for an electric motor comprises: a stator body (90) having surrounding pole feet (12a-12d, 22a-22d), the pole feet being designed to hold wound coils (16a-16d), the stator body having a central region to which the surrounding pole feet are attached and in which a bore (91) is formed, the central region having an upper face (91a) and a lower face (91b); and a cooling tube (92) which is arranged in the bore (91) and protrudes from the upper face (91a) or the lower face (91b).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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
The invention relates to a disc motor, comprising a rotor (10) having a permanent magnet region (12); a stator (20) having a coil carrier (20a) which has a plurality of pole feet (20b), wherein a coil (22) is wound around each pole foot (20b), and wherein each pole foot has an end region (20c) which lies opposite the permanent magnet region (12) over a motor gap (30), wherein in a pole foot (20b) a groove (24) is provided which divides the pole foot (20b) into a first portion (21) and a second portion (23), wherein the permanent magnet region (12) has a first permanent magnet (11) and a second permanent magnet (13) separate from the first permanent magnet (11), which are arranged relative to one another such that in an operating position of the rotor the first permanent magnet lies opposite the first portion of the pole foot (20b) and the second permanent magnet lies opposite the second portion of the pole foot (20b).
The invention relates to an electric disk motor comprising: a rotor (10), which has an element (105) to be moved; and a stator (10), wherein the stator is arranged with respect to the rotor (20) in such a way that a motor gap (30) is present between the rotor and the stator, wherein the rotor (10) has a cut-out (40), in which the stator (20) is arranged, wherein the rotor (10) is arranged in a first region (50) having a first pressure, wherein the stator (20) is arranged in a second region (60) having a second pressure, wherein the second pressure differs from the first pressure, and wherein an encapsulating material (70) is arranged in the motor gap (30), by means of which encapsulating material the first region (50) is separated from the second region (60).
The invention relates to an electric disc motor comprising a rotor (10) which has an element (105) to be moved; and a stator (20) which is arranged relative to the rotor (10) such that a motor gap (30) is formed between the rotor (10) and the stator (20), wherein the electric disc motor is designed to convey a medium from a source region (90) to a target region (100) by means of the element (105) to be moved, and a target pressure in the target region (100) is higher than a source pressure in the source region (90). The electric disc motor additionally has a pressure reducer (140) for reducing a pressure acting on the rotor on the basis of the different pressures in the source region and in the target region. The pressure reducer is designed such that a pressure in the motor gap (30) is lower than the target pressure and greater than or equal to the source pressure.
The invention relates to a heat pump system, comprising the following features: a first heat pump arrangement (101), which is designed to operate with a first heat pump medium that includes CO2; a second heat pump arrangement (102), which is designed to operate with a second heat pump medium that includes water; and a coupler (103) for thermally coupling the first heat pump arrangement with the second heat pump arrangement.
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
F25B 1/053 - Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
F25B 25/00 - Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups
25.
HEAT PUMP SYSTEM HAVING HEAT PUMP ASSEMBLIES COUPLED ON THE INPUT SIDE AND OUTPUT SIDE
The invention relates to a heat pump system comprising the following features: a first heat pump assembly (111) having a compressor (112) with a compressor output (113); a second heat pump assembly (114) having an input section (114a) and an output section (114b); and a coupler (115) for thermally coupling the first heat pump assembly (111) and the second heat pump assembly (114), wherein the coupler (115) has a first heat exchanger (115a) and a second heat exchanger (115b), wherein the first heat exchanger (115a) is connected to the input section (114a) of the second heat pump assembly (114), and wherein the second heat exchanger (115b) is connected to the output section (114b) of the second heat pump assembly (114).
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
F25B 25/00 - Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups
F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
26.
HEAT PUMP HAVING A LEVEL-REGULATING THROTTLE AND METHOD FOR PRODUCING A HEAT PUMP
The invention relates to a heat pump comprising an evaporator (120) having an evaporator inlet (301) for supplying working fluid to be evaporated into an evaporation chamber (102), and an evaporator outlet (312) for discharging working fluid cooled by evaporation, a compressor (110) for compressing evaporated working fluid, a liquefier (124) for liquefying compressed working steam in a liquefier chamber, wherein the liquefier furthermore has a liquefier inlet (322) for supplying working fluid and a liquefier outlet (332) for discharging heated working fluid; and a throttle (126) for directing working fluid out of the liquefier into the evaporator, wherein an inlet region (126) of the throttle is connected to the liquefier chamber, and an outlet region (126b) of the throttle is arranged in the evaporator inlet, wherein the inlet region determines a maximum fill level (137) of the working fluid in the liquefier during operation of the heat pump, and wherein the throttle is arranged, for example, such that working steam that is not liquefied during operation of the heat pump flows out of the liquefier from the inlet region of the throttle through the throttle to the outlet region of the throttle and into the evaporator inlet.
The invention relates to a heat pump system comprising: a heat pump unit having at least one heat pump stage (200), wherein the at least one heat pump stage (200) has an evaporator (202), a compressor (204), and a condenser (206); a first heat exchanger (212) on a side to be cooled; a second heat exchanger (214) on a side to be heated; a first pump (208), which is coupled to the first heat exchanger (212); and a second pump (210), which is coupled to the second heat exchanger (214), wherein the heat pump system has an operating position, wherein the heat pump unit is arranged above the first pump (208) and the second pump (210) in the operating position, wherein the first pump (208) or the second pump (210) is arranged at a lower end of the heat pump system in the operating position, and wherein the first heat exchanger (212) and the second heat exchanger (214) are likewise arranged below the heat pump unit at the lower end, next to the first pump (208) or the second pump (210).
F25B 1/053 - Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
28.
TWO-STAGE HEAT PUMP SYSTEM, METHOD FOR OPERATING A HEAT PUMP SYSTEM, AND METHOD FOR MANUFACTURING A HEAT PUMP SYSTEM
A heat pump system comprises a heat pump stage (200) that includes a first evaporator (202), a first condenser (206) and a first compressor (204), and comprises an additional heat pump stage (300) that includes a second evaporator (302), a second condenser (306) and a second compressor (304), a first condenser outlet (224) of the first condenser (206) being connected to a second evaporator inlet (322) of the second evaporator (302) via a connection line (332).
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
The invention relates to a heat pump system comprising a heat pump unit having at least one heat pump stage (200), wherein the at least one heat pump stage (200) has an evaporator (202), a compressor (204), and a condenser (206); a first heat exchanger (212) on a side to be cooled; a second heat exchanger (214) on a side to be heated; a first pump (208), which is coupled to the first heat exchanger (212); and a second pump (210), which is coupled to the second heat exchanger (214); wherein the heat pump system has an operating position, wherein, in the operating position, the first pump (208) and the second pump (210) are arranged above the first heat exchanger (212) and the second heat exchanger (214), and wherein the heat pump unit is arranged above the first pump (208) and the second pump (210).
F25B 25/00 - Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
A heat pump comprises a condenser having a condenser housing; a compressor motor which is attached to the condenser housing and has a rotor (307) and a stator (308), wherein the rotor has a motor shaft (306) to which is attached a radial impeller (304) that extends into an evaporator zone; a guide space (302) which is designed to receive vapor compressed by the radial impeller and guide this into the condenser; a motor housing (300) that surrounds the compressor motor; and a vapor supply (320) for supplying vapor in the motor housing to a motor gap (311) between the stator and the rotor, wherein the motor is designed such that another gap (313) extends from the motor gap along the radial impeller to the guide space.
The invention relates to a heat pump, comprising a condenser (306) for condensing compressed working steam; a foreign gas collection chamber (900) arranged in the condenser, wherein the foreign gas collection chamber has the following features: a condensation surface (901a, 901b), which during the operation of the heat pump is colder than a temperature of the working steam to be condensed; and a partition wall (902) arranged in the condenser between the condensation surface and a condensation zone (904); and a foreign gas discharge device (906) that is coupled with the foreign gas collection chamber in order to discharge a foreign gas from the foreign gas collection chamber.
F25B 43/04 - Arrangements for separating or purifying gases or liquidsArrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
The invention relates to an electric motor comprising the following features: a motor casing; a motor shaft having a first end and a second end; a bearing section for supporting the motor shaft with respect to a bearing holder, wherein the bearing section is arranged on the motor shaft closer to the first end than to the second end; an element to be driven, which is arranged at the second end or closer to the second end than to the first end of the motor shaft; and a drive section, which is arranged between the bearing section and the element to be driven and has a rotor and a stator, wherein the bearing holder is coupled to the motor casing by means of a spring assembly, wherein the spring assembly is designed to allow a tilting deflection of the bearing holder with respect to the motor casing about at least one tilting axis, which is perpendicular to an axis of the motor shaft.
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
H02K 9/12 - Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing wherein the cooling medium circulates freely within the casing
F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
H02K 5/128 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
A heat pump comprises a condenser (114) with a condenser housing; a compressor motor which is mounted on the condenser housing (114) and which has a rotor and a stator (308), wherein the rotor has a motor shaft (306) on which a compressor wheel (304) for compressing working medium vapour is mounted, and wherein the compressor motor has a motor wall (309); a motor housing (300) which surrounds the compressor motor and which has a working medium inlet (362, 330) for conducting liquid working medium from the condenser onto the motor wall (309) for the purposes of motor cooling, wherein the motor housing (300) is furthermore designed to form a vapour chamber (323) during the operation of the heat pump, and wherein the motor housing (300) furthermore has a vapour exhaust (324) for discharging vapour out of the vapour chamber (323) in the motor housing.
The invention relates to a heat pump comprising a condenser (306) for condensing compressed working steam, a gas trap, which is coupled to the condenser by means of a foreign gas supply (325) and comprises the following features: a housing (330) comprising a foreign gas supply inlet (332), a working liquid supply line (338) in the housing; a working liquid discharge line (340) in the housing, and a pump (342) for pumping gas from the housing, wherein the housing, the working liquid supply line and the working liquid discharge line are designed such that, during operation, a working liquid flow flows from the working liquid supply line to the working liquid discharge line in the housing, and the working liquid supply line is coupled to the heat pump in order to conduct working liquid, during operation of the heat pump, which is colder than a working liquid in the condenser.
F25B 43/04 - Arrangements for separating or purifying gases or liquidsArrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
F25B 25/00 - Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups
F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
A heat pump includes an evaporator (10) with an evaporator inlet (10a) and an evaporator outlet (10b), a condenser (12) with a condenser inlet (12a) and a condenser outlet (12b), a temperature raiser (34) for raising a temperature of an evaporated operating liquid, a switching means (24, 26, 27, 28, 94, 96) for operating the heat pump in a first operating mode or a different second operating mode, wherein the first operating mode is a free cooling mode or a bypass mode and wherein the second operating mode is the free cooling mode or normal mode, a temperature sensor means (41) for detecting a temperature with regards to the evaporator (10) or the condenser (12) and a control (29) for providing a control signal (36a) based on the detected temperature to the temperature raiser (34) when the heat pump is operated in the second operating mode and for providing a control signal (36b) based on the temperature to a control output that can be connected to a control input of a heat dissipation device (82) when the heat pump is operated in the first operating mode.
A heat pump includes an evaporator (10) with an evaporator inlet (10a) and an evaporator outlet (10b), a condenser (12) with a condenser inlet (12a) and a condenser outlet (12b) and a switching means (24, 26, 27, 28, 94, 96) for operating the heat pump in a first operating mode or a second operating mode, wherein the switching means is configured to connect, in the first operating mode, a return (15a) of the region to be cooled (14) to a forward (17a) of a region to be heated (16) and to connect a return (17b) of the region to be heated to a forward (15a) of the region to be cooled (14), and wherein the switching means is configured to connect, in a second operating mode, the return (15a, 15c) of the region to be cooled (14) to the evaporator inlet (10a) or the condenser inlet (12a) and to connect the return (17b, 17d) of the region to be heated (16) to the condenser inlet (12a) or the evaporator inlet (10a).
A heat pump includes an evaporator (10) with an evaporator inlet (10a) and an evaporator outlet (10b), a temperature raiser (34) for raising a temperature of an evaporated operating liquid, a condenser (12) for condensing an evaporated operating liquid with raised temperature, a temperature sensor means (41, 42, 43, 44, 45) with a first temperature sensor (42, 44, 45) for detecting a temperature with regard to the evaporator and with a second temperature sensor (42, 43) for detecting a temperature at the condenser (12), a switching means (24, 26, 27, 28, 94, 96) for operating the heat pump in a first operating mode or a different second operating mode, wherein the first operating mode is a free cooling mode or a bypass mode and wherein the second operating mode is the free cooling mode or a normal mode, and a control (29) for controlling the switching means so that the switching means operates in the first or the second operating mode based on an output signal of the second temperature sensor (42, 43) and for controlling the temperature raiser (34) based on an output signal of the first temperature sensor (41, 44, 45).
A heat pump includes an evaporator for evaporating working liquid within an evaporator space (102) bounded by an evaporator base (108), and a condenser for condensing evaporated working liquid within a condenser space (104) bounded by a condenser base (106), the evaporator space being at least partially surrounded by the condenser space, the evaporator space (102) being separated from the condenser space (104) by the condenser base (106), and the condenser base (106) being connected to the evaporator base (108).
A droplet separator includes a first number of blades (101-108) arranged on a first carrier (100), each blade of the first number of blades comprising a first portion (101a) and a second portion (101b) which have a first obtuse angle (110) formed between them; and a second number of blades arranged on a second carrier (200), each blade (201-208) of the second number of blades comprising a first portion (201a) and a second portion (201b) which have a second obtuse angle (210) formed between them, the first carrier (100) and the second carrier (200) being joined such that a blade (201) of the second number of blades is arranged between two blades (101, 102) of the first number of blades.
B01D 45/08 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
40.
EVAPORATOR BASE AND HEAT PUMP COMPRISING THE EVAPORATOR BASE
A heat pump includes an evaporator for evaporating working liquid within an evaporator space (102) bounded by an evaporator base (108), and a condenser for condensing evaporated working liquid within a condenser space (104) bounded by a condenser base (106), the evaporator space being at least partially surrounded by the condenser space, the evaporator space (102) being separated from the condenser space (104) by the condenser base (106), and the condenser base (106) being connected to the evaporator base (108).
A coil array includes a first bar (701, 801) comprising a first gap (820) and a first winding (703, 821) around the first bar, a second bar (711, 803) comprising a second gap and a second winding (713) around the second bar, a lid element (720) connected to an end of each of the first and second bars, and a floor element (730) connected to another end of each of the first and second bars, the first bar, the second bar, the lid element, and the floor element being formed of a ferromagnetic material, and the first gap and the second gap being formed of air or a material having a magnetic permeability lower than the magnetic permeability of the ferromagnetic material.
H02M 3/155 - 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
H01F 27/00 - Details of transformers or inductances, in general
H01L 27/00 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
A capacitor includes a first terminal lead (500) for connecting a positive potential, a second terminal lead (502) for connecting a negative potential; a dielectric (501 ) arranged between a positive electrode (504) connected to the first terminal lead (500) and a negative electrode (505) connected to the second terminal lead (502), and a third terminal lead (503) connected to the second terminal lead (502) and further extending along the first terminal lead (500) and being insulated from the first terminal lead (500).
H02M 3/155 - 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
H01G 13/00 - Apparatus specially adapted for manufacturing capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
H01G 4/00 - Fixed capacitorsProcesses of their manufacture
A switching power supply includes a plurality of parallel branches, each parallel branch comprising two serially connected controllable switches (111, 112) and a coil (141) connected between the two switches (11, 112) and an output node (150), a capacitor (152) connected between the output node of the parallel branches and ground (154); and a controller (160) configured to switch the two serially connected controllable switches (111, 112) of each parallel branch (401, 402, 403) such that a first switch (111) of a parallel branch is switched from a conducting state to a non-conducting state when a current (I1) flowing through a coil (141) of the parallel branch reaches a first current value larger than 5 A, and such that the second switch (S2) is switched from a conducting state to a non-conducting state when the current flowing through the coil of the parallel branch reaches a second current value smaller than 0 A.
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
A thermodynamic device includes a first liquid container (100) configured to maintain a first pressure during operation, the first liquid container (100) being partially filled with a working fluid (110) during operation, a second liquid container (200) configured to maintain a second pressure during operation, the second pressure being higher than the first pressure, the second liquid container being partially filled with the working fluid (210) during operation; and a compensation pipe (300) permeable to the working fluid and comprising an inlet (310) arranged within the second liquid container (200) so as to define, during operation, a working fluid level (215) within the second liquid container, and comprising an outlet (320) arranged within the first liquid container so that working fluid can be transported from the inlet (310) into the outlet (320), the inlet (310) being arranged to be higher up than the outlet (320) in the installation direction, the compensation pipe (300) comprising a curved portion (330), the lowest area of which is arranged below the outlet (320) during operation, and the thermodynamic device being configured (400) to transport working fluid from the first liquid container (100) forward to the second liquid container (200) during operation and to transport working fluid back from the second liquid container (200) to the first liquid container (100) through the compensation pipe (300).
The invention relates to a rotor shaft (10) having a fastening section (12) along a fastening region of the shaft; and a plurality of permanent magnets (21, 22, 23, 24) which are fastened in the fastening section (12) to the rotor shaft (10), wherein the rotor shaft has a region in the fastening section having a reduced radius relative to a circular cross-section, so that a radially measured thickness of a permanent magnet (21) in the region is greater than in an adjacent region having a radius of the rotor shaft (10) which is not reduced.
A condenser includes a condensation zone (100) for condensing vapor to be condensed in an operating liquid, the condensation zone being formed as a volume zone comprising a top end (100a), a bottom end (100b) and a lateral boundary (100c) between the top end and the bottom end, and a vapor introduction zone (102) extending along the lateral end (100c) of the condensation zone and being configured to feed vapor to be condensed into the condensation zone (100) laterally via the lateral boundary (100c).
A droplet separator for separating drops from a vapor-droplet mixture in motion, comprising: a plurality of curved fins (201, 202, 203) made of a material; and a holder (204) for holding the curved fins at distance to one another, wherein the fins (201, 202, 203) and the holder (204) are configured such that direct passage through the droplet separator is concealed such that drops, due to the flight path of the drops, in a vapor-droplet mixture do not pass the droplet separator but impinge on a fin.
B01D 45/08 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
48.
HEAT PUMP AND METHOD FOR PUMPING HEAT IN A FREE COOLING MODE
A heat pump comprises an evaporator (10) with an evaporator inlet (10a) and an evaporator outlet (10b); a compressor (32) for compressing operating liquid evaporated in the evaporator (10); and a condenser (12) for condensing evaporated operating liquid compressed in the compressor (32), wherein the condenser (12) comprises a condenser inlet (12a) and a condenser outlet (12b), wherein the evaporator inlet (15b) is connected to a return (16b) from a region to be heated (16), and wherein the condenser inlet (12a) is connected to a return (14b) from a region to be cooled.
A heat pump system includes a first heat pump stage (10) comprising a first evaporator inlet (11a) and a first evaporator outlet (11b), a first condenser inlet (13a) and a first condenser outlet (13b), and a second heat pump stage (12) comprising a second evaporator inlet (15a) and a second evaporator outlet (15b), a second condenser inlet (17a) and a second condenser outlet (17b), the first evaporator outlet (11b) being coupled fluidically to the second evaporator inlet (15a), and the second condenser outlet (17b) being coupled fluidically to the first condenser inlet (13a).
A device for cooling an object to be cooled, such as a computer in a computer rack of a computing center, includes a pump (12) for moving a cooling liquid in a cooling section and a negative pressure generator (14) configured to generate, in the cooling section, a pressure which is less than the atmospheric pressure. The device furthermore comprises an evaporator of a heat pump, wherein the pressure in the cooling section is at least partially influenced by a negative pressure in the evaporator, wherein the evaporator can be associated with a compressor adapted to compress and transport evaporated liquid to a liquefier. In addition, a pressure detector (16) may further be disposed in a cooling circuit to take an alarm measure upon a pressure rise. Due to the negative pressure, a leak does not result in the working liquid leaking out, so that water can be used as the working liquid.
The invention relates to an evaporator or a condenser (43) comprising a surface on which a working liquid (41) is placed. Turbulence generators (40) are also provided for generating turbulences in the working liquid on the working surface. A laminator (48) is alternatively or additionally provided in the condenser, for laminating the steam flow produced by the compressor. The evaporation efficiency is increased in the evaporator, and the condenser efficiency is increased in the condenser, which is useful for enabling the size of said components to be significantly reducing without any loss in performance, especially for a heat pump for heating buildings.
F28B 3/00 - Condensers in which the steam or vapour comes into direct contact with the cooling medium
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
52.
LIQUEFIER FOR A HEAT PUMP, HEAT PUMP, AND METHOD OF MANUFACTURING A LIQUEFIER
A liquefier (500) for a heat pump includes a liquefier space (510), a compressor motor (411, 431) and a motor fixture (580) for holding the stationary motor part, wherein the motor further has a motor shaft (412, 432) and a compressor wheel (413, 433) connected to the motor shaft (412, 432). The motor fixture (580) is formed so that the stationary motor part is held, so that it is in contact with liquefied working fluid (530) when liquefied working fluid (530) is filled in the liquefier space (510). Furthermore, the compressor wheel (413, 433) extends into a region (414, 434) of the heat pump in which a channel for gaseous working fluid to be compressed passes.
A liquefier (500) for a heat pump includes a liquefier space (510) and a process water tank (600). The process water tank is arranged within the liquefier space such that it is substantially surrounded by liquefied working fluid. A wall (630) of the process water tank, however, is spaced from a wall (590) of the working fluid space so that a gap (640) formed to communicate with the region of the heat pump in which compressed gas is present is obtained, so that the process water tank is thermally insulated from the space for liquefied working fluid via this gas-filled gap. The liquefier itself may also be surrounded by the gas region, in order to provide for inexpensive insulation of the liquefier.
The invention relates to a device for removing a first gas from a system (2) having a second different gas, comprising a collecting container (10) for collecting the first gas, the collecting container (10) having a variable inlet opening (5) for admitting the first gas into the collecting container (10), wherein the inlet opening can be brought to communicate with the system, and having a variable outlet opening (4) for discharging the first gas from the collecting container (10), wherein the variable outlet opening is not in communication with the system, and having a unit (1) for generating a pressure in the collecting container (10), said pressure being greater than a pressure of an atmosphere outside the variable outlet opening, wherein the inlet opening (5) and the outlet opening (4) are configured such that in an expulsion mode at a pressure in the collecting container (10) that is greater than a pressure in the atmosphere the inlet opening (5) has a higher fluid resistance than the outlet opening (4) such that the second gas can be discharged from the collecting container (10) via the outlet opening (4), and that in a collecting mode the outlet opening (4) has a higher fluid resistance than the inlet opening (5).
F25B 43/04 - Arrangements for separating or purifying gases or liquidsArrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
A heat pump comprises a first section (10) for evaporating a working fluid at a first pressure, for compressing (16) the evaporated working fluid to a second higher pressure and for condensing (18) the compressed working fluid in a condenser, and a second section for compressing (1100) the liquid working fluid to a third pressure which is higher than the second pressure, for evaporating (1102) the working fluid that is compressed to the third pressure, for relaxing (1106) the evaporated working fluid to a pressure that is lower than the third pressure to generate electric current (1108) and for condensing (18) the relaxed evaporated working fluid in the condenser.
F22B 3/04 - Other methods of steam generationSteam boilers not provided for in other groups of this subclass by drop in pressure of high-pressure hot water within pressure-reducing chambers, e.g. in accumulators
The invention relates to a method for the fast and cost-effective production of workpieces with magnets, wherein permanent magnets are placed in a casting mold. Next, reinforcement material is introduced to reinforce one or multiple selected areas. Following this step, a liquid casting material is introduced into the mold, wherein the temperature of the liquid casting material is below the Curie temperature of the permanent magnet. Following the cooling of the casting material, the workpiece, with the permanent magnet and the hardened casting material, is removed from the mold. Particularly by the use of plastic and plastic injection molding technology and by the use of reinforcement fibers which are likewise placed in the mold before injection, the method achieves the cost-effective production of a workpiece, said workpiece comprising a radial wheel, a shaft, a motor/generator section, and a bearing and a counter bearing.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
F16C 39/06 - Relieving load on bearings using magnetic means
H02K 7/09 - Structural association with bearings with magnetic bearings
A heat pump comprising a cooling mode includes a cooling evaporator coupled to an advance flow and a backflow. The cooling evaporator is brought to a pressure such that a vaporization temperature of the working liguid in the backflow is below a temperature of an object to be cooled to which the backflow may be thermally coupled. In this manner, an area having vapor at high pressure is generated. This vapor is fed into a dynamic-type compressor which outputs the vapor at a low pressure and provides electrical energy in the process. The vapor at low pressure is fed to a cooling liquefier which provides vapor liquefaction at a low temperature, this temperature being lower than the temperature of the object to be cooled.
The invention relates to a bearing for the rotary mounting of a rotor (500) on a stator (502), which has an idle position and a working position, comprising an actuator (512) for moving the rotor (500) or stator depending on a control signal and a control device (516) to provide the control signal, wherein the control device (516) provides the control signal such that the actuator (512) accelerates the rotor (500) or stator from the idle position in the direction of the working position during an acceleration phase and the actuator (512) is then braked in a braking phase, the rotor (500) or stator being released from the actuator (512) in the braking phase and moves into the working position due to the acceleration imparted during the acceleration phase. A maintenance-free, non-contact, lubricant-free bearing can be achieved which is particularly efficiently operable by use of a permanent magnet bearing (560, 562) the stator section (560) of which can be operated by a piezoelectric accelerator (512).
A heat pump comprises an evaporator (10) for the evaporation of water as a working liquid, to generate a working vapor, whereby the evaporation takes place at an evaporation pressure of less than 20 hPa. The working vapor is condensed by a compressor (16) to a working pressure of at least 25 hPa, then to be liquefied in a liquefier (18) by direct contact with liquefier water. The heat pump is preferably an open system, in which water present in the environment in the form of ground water, sea water, river water, lake water or brine is evaporated, and reliquefied water is fed to the evaporator, to the ground or to a purification plant.
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