US3347059A - Heat pump - Google Patents

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Publication number
US3347059A
US3347059A US566088A US56608866A US3347059A US 3347059 A US3347059 A US 3347059A US 566088 A US566088 A US 566088A US 56608866 A US56608866 A US 56608866A US 3347059 A US3347059 A US 3347059A
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Prior art keywords
heat exchanger
heat
compressor
heat pump
air
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Expired - Lifetime
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US566088A
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English (en)
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Laing Nikolaus
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Individual
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Priority claimed from DEL46845A external-priority patent/DE1221653B/de
Priority claimed from DE1751580A external-priority patent/DE1751580C3/de
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Publication of US3347059A publication Critical patent/US3347059A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/04—Hollow impellers, e.g. stirring vane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/03—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by mounting arrangements
    • F24F1/031—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by mounting arrangements penetrating a wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0325—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0358—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with dehumidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B3/00—Self-contained rotary compression machines, i.e. with compressor, condenser and evaporator rotating as a single unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00—Heat-exchange apparatus employing moving conduits
    • F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00—Heat-exchange apparatus employing moving conduits
    • F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
    • F28D11/04—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller performed by a tube or a bundle of tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • the invention relates to heat pumps, i.e., to devices consisting of a heat exchanger operated as a heat source, a device transforming heatsuch as for instance a compressor, an absorber circuit or a Peltier battery--and a heat exchanger operated as a heat sink with a cooling effect.
  • rotating heat exchangers have the advantage that they combine the functions of a fan and a heat exchanger in one and the same unit and are furthermore much less noisy than fans located behind heat exchangersthe dynamic energy of the air stream being reconsumed already within the rotating heat exchanger-and that they can be designed much smaller than stationary heat exchanger, for the intervals between the fins can be made smaller. This is due to the fact that the centrifugal force narrows the boundary layers predetermining these intervals. Furthermore the heat transfer coefficient increases with decreasing width of the boundary layer, so that the total surface, if compared with the same throughout velocity, can be much smaller than that of stationary heat exchangers.
  • the invention relates to heap pumps in which both heat exchangers are rotating heat exchangers, and in which furthermore the heat transforming device-as a rule the compressor-is combined with the two rotating heat exchangers in one and the same rotating unit.
  • This allows for the construction of extremely compact heat pumps, for instance air conditioners, which have the additional advantage of an extremely low noise level.
  • FIG. 1 is a diagrammatic view of a rotating heat exchanger according to the present invention
  • FIG. 2 is a transverse cross section of the heat exchanger of FIG. 1;
  • FIG. 3 is a partial perspective view of another embodiment
  • FIG. 4 is a partial cross section of FIG. 3;
  • FIG. 5 is an axial cross section through a further embodiment
  • FIG. 6 is a perspective view of the embodiment shown in FIG. 5;
  • FIG. 7 is a cross section taken along the plane VII-VII of FIG. 5 and drawn to an enlarged scale;
  • FIG. 8 is an axial cross section through a fourth embodiment.
  • FIG. 9 is a cross section taken along the line IX-IX of FIG. 8.
  • FIG. 1 is a diagrammatic view of a rotating heat exchanger in which the coolant enters the heat exchanger at 1, is conducted from there to the even-numbered blades 2, through the annular-shaped fins 3 which are equipped with channels 4, to the uneven-numbered blades 5 and from there back to the channels 6 communicating to the inner tube 7.
  • FIG. 2 is a cross section of the device shown in FIG. 1 and shows the guide walls 8 and 9. If the rotor rotates in direction of the arrows It), air 11 is sucked into the rotor and blown out again in the outlet area 12 following the streamlines 13. In this Way this heat exchanger is at the same time a fan and a large surface heat exchanger.
  • the coolant is cooled not only in the hollow blades but also in the small channels 4 connecting the even-numbered blades 2 to the uneven-numbered blades 5.
  • FIG. 3 shows the main features of a rotating heat exchanger rotor in which the annular-shaped surfaces 1'30 are indirect heat exchange surfaces, so that the heat exchange of the coolant is effected exclusively between the hollow blades 131 formed by the projecting parts 140.
  • FIG. 4 shows the arrangement of the projecting parts 140 which are soldered together in the region 141.
  • FIG. 5 shows a rotating heat pump according to the invention in which two heat exchangers are located side by side similar to the arrangement shown in FIG. 3.
  • the frame 50 has bearings 51 and 52 at both ends, furthermore it support the stator 53 of a small electrical motor inducing the rotor to rotate.
  • the rotor itself is fixed to the axis 54 of the motor 53 and consists of a compressor 55, a condenser heat exchanger 56 and an evaporator heat exchanger 57.
  • the compressor consists of a stator 58, an armature 59 and a rotary compressor 60.
  • the rotary compressor 60 sucks the coolant tom the cylinder-shaped space 62 through the duct 61, the coolant having been evaporated in the hollow blades 131 and thus having cooled the blades 131 and the fins 130.
  • the compressor transports the compressed coolant through the annular space 64 into the blades 65 where it is condensed, thereby dissipating heat via the fins 66, and collected in a ring of fluid 67 in the space 68. From there it flows through the capillary tubes 69 into the annular space 70 where the circuit starts once more.
  • FIG. 6 is a diagrammatic view of a rotating heat exchanger as per FIG. 5 built in the Wall of a building.
  • the frame 56 is inserted in a wall opening.
  • the space 72 containing the compressor 55 and the drive motor 53 is sealed; however, it is shown open in the drawing to make it more spectacular.
  • a guide wall 73 runs around the condenser heat exchanger 56. (A cross section of this guide wall is shown in FIG. 7.)
  • This guide wall is supported at both ends by circular plates 74 and 75. These plates are mounted on balls 76 and are pivotable in all directions.
  • the present embodiment is an example in which the guide wall 73 is pivoted in a way that the condenser heat exchange is evtracted from the room and transferred to the building.
  • the guide wall 78 is pivoted in a way that the evaporator heat exchanger 57 communicates with the room inside the building. In this arrangement heat is extracted from the room and transferred to the ambient air outside the building. If the guide wall 73 is pivoted by the heat exchanger 56 which has now only the function of a fan extracts air from the room to the outside; if the guide wall 78 is pivoted by 90 the heat exchanger 57 sucks air from the outside into the torn, this air being cooled in the process. If the cooling effect is not required, the compressor is switched off.
  • the guide wall 73 is pivoted by both heat ex- "2: 3 changers 56 and 57 communicate with the air in the room.
  • the heat exchanger 57 extracts humidity from the room air by means of a condenser effect at its cool surface; the heat exchanger 56 transfers heat to the room.
  • the humidity atthe heat exchanger 57 is sprayed in tiny drops against the guide wall 78 where it is conducted to the outside through a tiny tube which is not shown. In this arrange ment the device reduces the relative humidity in the room, i.e. it has an air drying effect.
  • the guide wall 78 is pivoted by 180 while the guide wall 73 remains in its position communicating to the air outside, the heat pump assumes the function of a room heater.
  • FIG. 7 is a cross section of FIG. 6 in the plane VIIVII.
  • the air enters the rotor near 88 and leaves the rotor in direction of the arrow 89.
  • anadditional guide body 8 is required beside the guide wall 73. All other parts are marked with the same numbers as in FIG. 6.
  • FIG. 8 is a diagrammatic cross section of another heat pump in which the rotors 90 and 91 are centrifugal-rotors through which the flow passes radially to the outside.
  • the air enters near 92; the heated or cooled air leaves the rotor in radial direction near 93.
  • the rigidly mounted housing 210 contains two pole rings 221 and 223.
  • the shaft ends 225 and 226 are mounted in this rigidly mounted housing.
  • the rotors 90 and91 are mounted on these shafts at the outside; at the inside they bear the armature 220 which is sealed to the housing 224.
  • the housing 224 is made of a magnetically ineffective material, for instance stainless steel.
  • Inside the housing 224 which rotates at the same r.p.m. with the fan determined by the armature 220 there is another armature 222 which is allowed to rotate freely inside the housing.
  • Inside this armature 222 is a rotary compressor.
  • the housing 224 is rotating anti-clockwise, while the armature 222 rotates clockwise induced by the rotating field of the pole ring 223. In this way the r.p.m. are added for the compressor, so that the compressor may be very small.
  • the compressor sucks the coolant along the lines 208- and transports the compressed coolant along the lines 206 into the heat exchanger 91 which dissipates heat and is employed as a condenser. Then the cooled and compressed gas flows along the line 229 through a duct which may be a capillary tube into the second rotating heat exchanger 90 Where it evaporates so that this heat exchanger is cooled. Then the evaporated coolantreturns to the compressor along the lines 208.
  • the housing 210 may be built in the wall of a building. It may also be built in the wall of a refrigerator.
  • both rotating systems turn in the same direction.
  • the flow of the coolant Whose direction is shown by the arrows is reversed, and the heat exchanger 91 becomes a heat extracting evaporatorwhile the heat exchanger 90 becomes a heat dissipating condenser.
  • the performance of the compressor may be altered in a relationship of 2:1 by changing the direction of rotation of the armature 220.
  • FIG. 9 shows a cross section of FIG. 8 along the line IX-IX.
  • a sleeve 95 eccentric to the axis which contains a centered body 96 equipped with radial slides 97 and two openings 98 and 99 which may be usedalternatively as an inlet or outlet opening for the compressor.
  • a heat pump comprising, in combination, support means, condenser heat exchanger means for heating a first fluid circuit; evaporator heat exchanger means for cooling a second fluid circuit in communication with said first fluid circuit; compressor means for compressing a coolant leaving said evaporator heat exchanger means in gaseous state and conveying it to said condenser heat exchanger means, said condenser heat exchanger means 1 and said evaporator heat exchanger means being constructed ,as fan rotors having air revolving me-ans-transversed by the coolant, said condenser heat exchanger means, said evaporator heat exchanger means and said compressor means being connected to each other toform a single unit mounted in said support means turnable about an axis; and drive means for rotating said unit about said axis.
  • a heat pump as set forth inclaim 2 where n said pair of motors are arranged coaxially with said axis.
  • each of said pair of motors has a stator fixedly carried by said support means and a rotor, and wherein the rotor of said other motor is turnable relative to the rotor of said one motor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US566088A 1964-01-22 1966-07-18 Heat pump Expired - Lifetime US3347059A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEL46845A DE1221653B (de) 1964-01-22 1964-01-22 Als Trommellaeufer mit hohlen Schaufeln ausgebildeter, umlaufender Waermetauscher
DE1751580A DE1751580C3 (de) 1964-01-22 1964-01-22 Umlaufende Wärmepumpe. Ausscheidung aus: 1426976
DEL0046844 1964-01-22

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US3347059A true US3347059A (en) 1967-10-17

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US566088A Expired - Lifetime US3347059A (en) 1964-01-22 1966-07-18 Heat pump

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US (1) US3347059A (de)
CH (1) CH446410A (de)
FR (1) FR1424068A (de)
GB (1) GB1110721A (de)

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811495A (en) * 1970-10-26 1974-05-21 Laing Nikolaus Rotary heat exchangers in the form of turbines
US3835921A (en) * 1973-02-01 1974-09-17 Donbar Dev Corp Rotatable heat exchanger
US3866668A (en) * 1971-01-28 1975-02-18 Du Pont Method of heat exchange using rotary heat exchanger
JPS5029444U (de) * 1973-07-09 1975-04-03
JPS5029445U (de) * 1973-07-09 1975-04-03
US3877515A (en) * 1969-06-17 1975-04-15 Nikolaus Laing Temperature-control system with rotary heat exchangers
US3888304A (en) * 1964-01-22 1975-06-10 Nikolaus Laing Temperature-control system using thermosipon effect
US3896635A (en) * 1973-02-28 1975-07-29 Robert C Stewart Heat transfer device and method of using the same
US3908754A (en) * 1971-10-07 1975-09-30 Nikolaus Laing Rotating heat exchanger
US3953985A (en) * 1971-11-19 1976-05-04 Rudolf Hintze Air condition apparatus particularly for automotive vehicles
US3981627A (en) * 1969-10-06 1976-09-21 Kantor Frederick W Rotary thermodynamic compressor
US3989101A (en) * 1974-06-21 1976-11-02 Manfredi Frank A Heat exchanger
US3990636A (en) * 1971-10-07 1976-11-09 Nikolaus Laing Motor car heater
US4000778A (en) * 1972-09-05 1977-01-04 Nikolaus Laing Temperature-control system with rotary heat exchangers
JPS5294051U (de) * 1977-01-06 1977-07-14
JPS5294050U (de) * 1977-01-06 1977-07-14
US4035894A (en) * 1971-11-19 1977-07-19 Rudolf Hintze Air conditioning apparatus and method for making the same, particularly for automotive vehicles
US4073338A (en) * 1973-06-26 1978-02-14 Toyota Chuo Kenkyusho Heat exchangers
US4131157A (en) * 1974-03-18 1978-12-26 Nikolaus Laing Rotary heat exchangers
US4211092A (en) * 1977-09-22 1980-07-08 Karsten Laing Space heating installation
EP0119777A3 (en) * 1983-03-24 1985-08-07 Imperial Chemical Industries Plc Centrifugal heat pump
US4726198A (en) * 1987-03-27 1988-02-23 Ouwenga John N Centrifugal heat exchanger
EP0119776B1 (de) * 1983-03-22 1988-08-10 Imperial Chemical Industries Plc Zentrifugalwärmepumpe
EP0149353B1 (de) * 1984-01-06 1988-12-28 Imperial Chemical Industries Plc Wärmepumpen
WO1992014981A1 (en) * 1990-02-08 1992-09-03 Francis Michael Russell Fluid flow apparatus
US20030202880A1 (en) * 2002-04-24 2003-10-30 Pong Koochingchai Wind wheel assembly of separable air conditioner
US20090145155A1 (en) * 2004-06-18 2009-06-11 Williams Arthur R Rotating Bernoulli Heat Pump
ES2389432A1 (es) * 2009-09-18 2012-10-26 Tomás GANUZA ERRAZQUIN Sistema frigorífico rotativo.
EP3150925A1 (de) * 2015-09-29 2017-04-05 Möhlenhoff GmbH Anordnung mit einem heizkörper und verfahren zum betreiben derselben
US20170248347A1 (en) * 2016-02-29 2017-08-31 Nativus, Inc. Rotary heat exchanger
US10041701B1 (en) * 2013-09-24 2018-08-07 National Technology & Engineering Solutions Of Sandia, Llc Heating and cooling devices, systems and related method
US10429105B1 (en) * 2013-09-24 2019-10-01 National Technology & Engineering Solutions Of Sandia, Llc Heating and cooling devices, systems and related method
US11262142B2 (en) * 2016-04-26 2022-03-01 Northrop Grumman Systems Corporation Heat exchangers, weld configurations for heat exchangers and related systems and methods
US11397030B2 (en) * 2020-07-10 2022-07-26 Energy Recovery, Inc. Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve
US11421918B2 (en) 2020-07-10 2022-08-23 Energy Recovery, Inc. Refrigeration system with high speed rotary pressure exchanger
US20220397317A1 (en) 2021-06-09 2022-12-15 Energy Recovery, Inc. Refrigeration and heat pump systems with pressure exchangers
US12209778B2 (en) 2021-06-09 2025-01-28 Energy Recovery, Inc. Refrigeration and heat pump systems with pressure exchangers

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB316851I5 (de) * 1972-02-22 1975-01-28
FR2567996B1 (fr) * 1984-07-20 1986-09-19 Gauthier Jean Claude Pompe a chaleur
RU2006128456A (ru) * 2006-08-07 2008-02-20 Вейнберг Вениамин Яковлевич (RU) Энергопреобразователь
CN114517981A (zh) * 2022-01-27 2022-05-20 李文辉 一种少结霜空调换热系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805558A (en) * 1954-12-20 1957-09-10 Gen Electric Refrigerating apparatus including rotating heat exchangers
US2811841A (en) * 1953-11-13 1957-11-05 Gen Electric Refrigerator apparatus
US2934324A (en) * 1957-02-07 1960-04-26 Gen Motors Corp Heat exchange and control therefor
US3001384A (en) * 1957-06-14 1961-09-26 William H Anderson Space coolers
US3025684A (en) * 1959-06-23 1962-03-20 Robert S Mclain Refrigerating machine
US3139736A (en) * 1962-05-14 1964-07-07 William H Anderson Vehicle air-conditioning units
US3189262A (en) * 1961-04-10 1965-06-15 William H Anderson Space coolers
US3200609A (en) * 1964-04-15 1965-08-17 Laing Vortex Inc Heat exchange apparatus and air conditioner units incorporating such apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811841A (en) * 1953-11-13 1957-11-05 Gen Electric Refrigerator apparatus
US2805558A (en) * 1954-12-20 1957-09-10 Gen Electric Refrigerating apparatus including rotating heat exchangers
US2934324A (en) * 1957-02-07 1960-04-26 Gen Motors Corp Heat exchange and control therefor
US3001384A (en) * 1957-06-14 1961-09-26 William H Anderson Space coolers
US3025684A (en) * 1959-06-23 1962-03-20 Robert S Mclain Refrigerating machine
US3189262A (en) * 1961-04-10 1965-06-15 William H Anderson Space coolers
US3139736A (en) * 1962-05-14 1964-07-07 William H Anderson Vehicle air-conditioning units
US3200609A (en) * 1964-04-15 1965-08-17 Laing Vortex Inc Heat exchange apparatus and air conditioner units incorporating such apparatus

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888304A (en) * 1964-01-22 1975-06-10 Nikolaus Laing Temperature-control system using thermosipon effect
US3877515A (en) * 1969-06-17 1975-04-15 Nikolaus Laing Temperature-control system with rotary heat exchangers
US3981627A (en) * 1969-10-06 1976-09-21 Kantor Frederick W Rotary thermodynamic compressor
US3811495A (en) * 1970-10-26 1974-05-21 Laing Nikolaus Rotary heat exchangers in the form of turbines
US3866668A (en) * 1971-01-28 1975-02-18 Du Pont Method of heat exchange using rotary heat exchanger
US3990636A (en) * 1971-10-07 1976-11-09 Nikolaus Laing Motor car heater
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Also Published As

Publication number Publication date
CH446410A (de) 1967-11-15
FR1424068A (fr) 1966-01-07
GB1110721A (en) 1968-04-24

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