US3905202A - Refrigeration system - Google Patents
Refrigeration system Download PDFInfo
- Publication number
- US3905202A US3905202A US431757A US43175774A US3905202A US 3905202 A US3905202 A US 3905202A US 431757 A US431757 A US 431757A US 43175774 A US43175774 A US 43175774A US 3905202 A US3905202 A US 3905202A
- Authority
- US
- United States
- Prior art keywords
- pressure
- refrigerant
- evaporators
- line
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/22—Refrigeration systems for supermarkets
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims (8)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431757A US3905202A (en) | 1974-01-08 | 1974-01-08 | Refrigeration system |
CA217,248A CA1007062A (en) | 1974-01-08 | 1975-01-02 | Refrigeration system |
BR64/75A BR7500064A (en) | 1974-01-08 | 1975-01-06 | REFRIGERATION SYSTEM |
GB648/75A GB1485583A (en) | 1974-01-08 | 1975-01-07 | Refrigeration system |
DE2500303A DE2500303C3 (en) | 1974-01-08 | 1975-01-07 | Cooling system |
JP485175A JPS558747B2 (en) | 1974-01-08 | 1975-01-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431757A US3905202A (en) | 1974-01-08 | 1974-01-08 | Refrigeration system |
Publications (1)
Publication Number | Publication Date |
---|---|
US3905202A true US3905202A (en) | 1975-09-16 |
Family
ID=23713292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US431757A Expired - Lifetime US3905202A (en) | 1974-01-08 | 1974-01-08 | Refrigeration system |
Country Status (6)
Country | Link |
---|---|
US (1) | US3905202A (en) |
JP (1) | JPS558747B2 (en) |
BR (1) | BR7500064A (en) |
CA (1) | CA1007062A (en) |
DE (1) | DE2500303C3 (en) |
GB (1) | GB1485583A (en) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4012921A (en) * | 1976-01-07 | 1977-03-22 | Emhart Industries, Inc. | Refrigeration and hot gas defrost system |
US4068494A (en) * | 1976-01-19 | 1978-01-17 | Kramer Daniel E | Power saving capacity control for air cooled condensers |
FR2414178A1 (en) * | 1978-01-09 | 1979-08-03 | Emhart Ind | REFRIGERATION SYSTEM USING A SATURATED GASEOUS REFRIGERANT FOR DEFROSTING PURPOSES |
US4167102A (en) * | 1975-12-24 | 1979-09-11 | Emhart Industries, Inc. | Refrigeration system utilizing saturated gaseous refrigerant for defrost purposes |
US4192149A (en) * | 1978-09-18 | 1980-03-11 | General Electric Company | Post condenser loop case heater controlled by ambient humidity |
US4193781A (en) * | 1978-04-28 | 1980-03-18 | Mcquay-Perfex Inc. | Head pressure control for heat reclaim refrigeration systems |
US4231229A (en) * | 1979-03-21 | 1980-11-04 | Emhart Industries, Inc. | Energy conservation system having improved means for controlling receiver pressure |
US4259848A (en) * | 1979-06-15 | 1981-04-07 | Voigt Carl A | Refrigeration system |
FR2482712A1 (en) * | 1980-05-19 | 1981-11-20 | Emhart Ind | REFRIGERATION SYSTEM COMPRISING A SENSITIVE DEVICE IN THE CONDITION OF A REFRIGERANT FLUID |
US4356706A (en) * | 1980-08-05 | 1982-11-02 | Ronald Baumgarten | Thermally-integrated heat exchanger and refrigerator |
US4430866A (en) * | 1982-09-07 | 1984-02-14 | Emhart Industries, Inc. | Pressure control means for refrigeration systems of the energy conservation type |
US4507933A (en) * | 1980-05-05 | 1985-04-02 | Roman Chapa | System combining water heater and refrigeration unit |
US4535603A (en) * | 1984-07-02 | 1985-08-20 | Emhart Industries, Inc. | Highly energy efficient heat reclamation means for food display case refrigeration systems |
US4551989A (en) * | 1984-11-30 | 1985-11-12 | Gulf & Western Manufacturing Company | Oil equalization system for refrigeration compressors |
US4566288A (en) * | 1984-08-09 | 1986-01-28 | Neal Andrew W O | Energy saving head pressure control system |
US4621505A (en) * | 1985-08-01 | 1986-11-11 | Hussmann Corporation | Flow-through surge receiver |
US4735059A (en) * | 1987-03-02 | 1988-04-05 | Neal Andrew W O | Head pressure control system for refrigeration unit |
US4750337A (en) * | 1987-10-13 | 1988-06-14 | American Standard Inc. | Oil management in a parallel compressor arrangement |
EP0297221A2 (en) * | 1987-06-29 | 1989-01-04 | Behr GmbH & Co. | Device for airconditioning the passenger compartment of a motor vehicle |
US4949551A (en) * | 1989-02-06 | 1990-08-21 | Charles Gregory | Hot gas defrost system for refrigeration systems |
US5092134A (en) * | 1989-08-18 | 1992-03-03 | Mitsubishi Denki Kabushiki Kaisha | Heating and cooling air conditioning system with improved defrosting |
US5289699A (en) * | 1991-09-19 | 1994-03-01 | Mayer Holdings S.A. | Thermal inter-cooler |
US5291749A (en) * | 1992-12-23 | 1994-03-08 | Schulak Edward R | Energy efficient domestic refrigeration system |
US5402651A (en) * | 1992-12-23 | 1995-04-04 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5548968A (en) * | 1993-02-26 | 1996-08-27 | Daikin Industries, Ltd. | Refrigeraton apparatus |
US5666817A (en) * | 1996-12-10 | 1997-09-16 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US5743109A (en) * | 1993-12-15 | 1998-04-28 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5775113A (en) * | 1992-12-23 | 1998-07-07 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5791154A (en) * | 1992-12-23 | 1998-08-11 | Schulak; Edward R. | Energy transfer system for refrigeration components |
US5937662A (en) * | 1996-12-10 | 1999-08-17 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US5964101A (en) * | 1996-12-10 | 1999-10-12 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US6330804B1 (en) * | 1999-03-10 | 2001-12-18 | Hitachi, Ltd. | Refrigerating unit |
US20060225458A1 (en) * | 2005-04-12 | 2006-10-12 | Gaetan Lesage | Heat reclaim refrigeration system and method |
EP1734318A1 (en) * | 2005-06-13 | 2006-12-20 | Zanotti S.p.A. | Installation and process for producing cold and adjusting air temperature, and thermal exchange device usable in such an installation |
US20090145144A1 (en) * | 2007-12-07 | 2009-06-11 | Sanyo Electric Co., Ltd. | Controller and control method for refrigerating system |
US20130008182A1 (en) * | 2009-12-16 | 2013-01-10 | Brian Hrudka | Self-contained temperature controlled apparatus |
US10345011B2 (en) * | 2014-04-15 | 2019-07-09 | Gree Electric Appliances, Inc. Of Zhuhai | Refrigeration device |
US20210095908A1 (en) * | 2018-10-16 | 2021-04-01 | Tiax, Llc | Systems and methods for making ice |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316943A (en) * | 1976-07-30 | 1978-02-16 | Hitachi Ltd | Freezer |
JPS5316941A (en) * | 1976-07-30 | 1978-02-16 | Hitachi Ltd | Freezer |
JPS61125569U (en) * | 1985-01-21 | 1986-08-07 | ||
CN110094904B (en) * | 2019-03-18 | 2020-05-19 | 珠海格力电器股份有限公司 | Defrosting system, control method and device and refrigeration equipment |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2874550A (en) * | 1955-05-19 | 1959-02-24 | Keeprite Products Ltd | Winter control valve arrangement in refrigerating system |
US2963877A (en) * | 1957-01-24 | 1960-12-13 | Kramer Trenton Co | Means for controlling high side pressure in refrigerating systems |
US3307369A (en) * | 1965-06-29 | 1967-03-07 | Westinghouse Electric Corp | Refrigeration system with compressor loading means |
US3324673A (en) * | 1965-07-19 | 1967-06-13 | Universal American Corp | Refrigeration system with check valve |
US3350896A (en) * | 1966-01-11 | 1967-11-07 | Westinghouse Electric Corp | Multiple evaporator refrigeration systems |
US3464226A (en) * | 1968-02-05 | 1969-09-02 | Kramer Trenton Co | Regenerative refrigeration system with means for controlling compressor discharge |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427819A (en) * | 1966-12-22 | 1969-02-18 | Pet Inc | High side defrost and head pressure controls for refrigeration systems |
-
1974
- 1974-01-08 US US431757A patent/US3905202A/en not_active Expired - Lifetime
-
1975
- 1975-01-02 CA CA217,248A patent/CA1007062A/en not_active Expired
- 1975-01-06 BR BR64/75A patent/BR7500064A/en unknown
- 1975-01-07 DE DE2500303A patent/DE2500303C3/en not_active Expired
- 1975-01-07 GB GB648/75A patent/GB1485583A/en not_active Expired
- 1975-01-08 JP JP485175A patent/JPS558747B2/ja not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2874550A (en) * | 1955-05-19 | 1959-02-24 | Keeprite Products Ltd | Winter control valve arrangement in refrigerating system |
US2963877A (en) * | 1957-01-24 | 1960-12-13 | Kramer Trenton Co | Means for controlling high side pressure in refrigerating systems |
US3307369A (en) * | 1965-06-29 | 1967-03-07 | Westinghouse Electric Corp | Refrigeration system with compressor loading means |
US3324673A (en) * | 1965-07-19 | 1967-06-13 | Universal American Corp | Refrigeration system with check valve |
US3350896A (en) * | 1966-01-11 | 1967-11-07 | Westinghouse Electric Corp | Multiple evaporator refrigeration systems |
US3464226A (en) * | 1968-02-05 | 1969-09-02 | Kramer Trenton Co | Regenerative refrigeration system with means for controlling compressor discharge |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167102A (en) * | 1975-12-24 | 1979-09-11 | Emhart Industries, Inc. | Refrigeration system utilizing saturated gaseous refrigerant for defrost purposes |
US4012921A (en) * | 1976-01-07 | 1977-03-22 | Emhart Industries, Inc. | Refrigeration and hot gas defrost system |
FR2337859A1 (en) * | 1976-01-07 | 1977-08-05 | Emhart Ind | REFRIGERATION SYSTEM WITH HOT GAS DEFROST DEVICE |
US4068494A (en) * | 1976-01-19 | 1978-01-17 | Kramer Daniel E | Power saving capacity control for air cooled condensers |
FR2414178A1 (en) * | 1978-01-09 | 1979-08-03 | Emhart Ind | REFRIGERATION SYSTEM USING A SATURATED GASEOUS REFRIGERANT FOR DEFROSTING PURPOSES |
US4193781A (en) * | 1978-04-28 | 1980-03-18 | Mcquay-Perfex Inc. | Head pressure control for heat reclaim refrigeration systems |
US4192149A (en) * | 1978-09-18 | 1980-03-11 | General Electric Company | Post condenser loop case heater controlled by ambient humidity |
US4231229A (en) * | 1979-03-21 | 1980-11-04 | Emhart Industries, Inc. | Energy conservation system having improved means for controlling receiver pressure |
US4259848A (en) * | 1979-06-15 | 1981-04-07 | Voigt Carl A | Refrigeration system |
US4507933A (en) * | 1980-05-05 | 1985-04-02 | Roman Chapa | System combining water heater and refrigeration unit |
US4328682A (en) * | 1980-05-19 | 1982-05-11 | Emhart Industries, Inc. | Head pressure control including means for sensing condition of refrigerant |
FR2482712A1 (en) * | 1980-05-19 | 1981-11-20 | Emhart Ind | REFRIGERATION SYSTEM COMPRISING A SENSITIVE DEVICE IN THE CONDITION OF A REFRIGERANT FLUID |
US4356706A (en) * | 1980-08-05 | 1982-11-02 | Ronald Baumgarten | Thermally-integrated heat exchanger and refrigerator |
US4430866A (en) * | 1982-09-07 | 1984-02-14 | Emhart Industries, Inc. | Pressure control means for refrigeration systems of the energy conservation type |
US4535603A (en) * | 1984-07-02 | 1985-08-20 | Emhart Industries, Inc. | Highly energy efficient heat reclamation means for food display case refrigeration systems |
US4566288A (en) * | 1984-08-09 | 1986-01-28 | Neal Andrew W O | Energy saving head pressure control system |
US4551989A (en) * | 1984-11-30 | 1985-11-12 | Gulf & Western Manufacturing Company | Oil equalization system for refrigeration compressors |
US4621505A (en) * | 1985-08-01 | 1986-11-11 | Hussmann Corporation | Flow-through surge receiver |
US4735059A (en) * | 1987-03-02 | 1988-04-05 | Neal Andrew W O | Head pressure control system for refrigeration unit |
EP0297221A2 (en) * | 1987-06-29 | 1989-01-04 | Behr GmbH & Co. | Device for airconditioning the passenger compartment of a motor vehicle |
EP0297221A3 (en) * | 1987-06-29 | 1989-06-14 | Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg | Device for airconditioning the passenger compartment of a motor vehicle |
US4750337A (en) * | 1987-10-13 | 1988-06-14 | American Standard Inc. | Oil management in a parallel compressor arrangement |
US4949551A (en) * | 1989-02-06 | 1990-08-21 | Charles Gregory | Hot gas defrost system for refrigeration systems |
US5092134A (en) * | 1989-08-18 | 1992-03-03 | Mitsubishi Denki Kabushiki Kaisha | Heating and cooling air conditioning system with improved defrosting |
US5289699A (en) * | 1991-09-19 | 1994-03-01 | Mayer Holdings S.A. | Thermal inter-cooler |
US5791154A (en) * | 1992-12-23 | 1998-08-11 | Schulak; Edward R. | Energy transfer system for refrigeration components |
US5291749A (en) * | 1992-12-23 | 1994-03-08 | Schulak Edward R | Energy efficient domestic refrigeration system |
US5402651A (en) * | 1992-12-23 | 1995-04-04 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5520007A (en) * | 1992-12-23 | 1996-05-28 | Schulak; Edward R. | Energy transfer system for refrigeration components |
US5775113A (en) * | 1992-12-23 | 1998-07-07 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5548968A (en) * | 1993-02-26 | 1996-08-27 | Daikin Industries, Ltd. | Refrigeraton apparatus |
US5743109A (en) * | 1993-12-15 | 1998-04-28 | Schulak; Edward R. | Energy efficient domestic refrigeration system |
US5937662A (en) * | 1996-12-10 | 1999-08-17 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US5964101A (en) * | 1996-12-10 | 1999-10-12 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US6230514B1 (en) | 1996-12-10 | 2001-05-15 | Edward R. Schulak | Energy transfer system for refrigerator freezer components |
US5666817A (en) * | 1996-12-10 | 1997-09-16 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
US6330804B1 (en) * | 1999-03-10 | 2001-12-18 | Hitachi, Ltd. | Refrigerating unit |
US6568197B2 (en) * | 1999-03-10 | 2003-05-27 | Hitachi, Ltd. | Refrigerating unit |
US7197886B2 (en) * | 2005-04-12 | 2007-04-03 | Lesage Gaetan | Heat reclaim refrigeration system and method |
US20060225458A1 (en) * | 2005-04-12 | 2006-10-12 | Gaetan Lesage | Heat reclaim refrigeration system and method |
EP1734318A1 (en) * | 2005-06-13 | 2006-12-20 | Zanotti S.p.A. | Installation and process for producing cold and adjusting air temperature, and thermal exchange device usable in such an installation |
US20090145144A1 (en) * | 2007-12-07 | 2009-06-11 | Sanyo Electric Co., Ltd. | Controller and control method for refrigerating system |
US8397526B2 (en) * | 2007-12-07 | 2013-03-19 | Sanyo Electric Co., Ltd. | Controller and control method for refrigerating system |
US20130008182A1 (en) * | 2009-12-16 | 2013-01-10 | Brian Hrudka | Self-contained temperature controlled apparatus |
US10345011B2 (en) * | 2014-04-15 | 2019-07-09 | Gree Electric Appliances, Inc. Of Zhuhai | Refrigeration device |
US20210095908A1 (en) * | 2018-10-16 | 2021-04-01 | Tiax, Llc | Systems and methods for making ice |
Also Published As
Publication number | Publication date |
---|---|
CA1007062A (en) | 1977-03-22 |
DE2500303C3 (en) | 1980-12-18 |
DE2500303A1 (en) | 1975-07-10 |
JPS558747B2 (en) | 1980-03-05 |
DE2500303B2 (en) | 1980-04-30 |
JPS50113854A (en) | 1975-09-06 |
BR7500064A (en) | 1975-11-04 |
GB1485583A (en) | 1977-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: JEPSON REFRIGERATION CORPORATION, 340 BUTTERFIELD Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:EMHARDT INDUSTRIES, INC.;REEL/FRAME:004472/0442 Effective date: 19850627 |
|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF BOSTON THE Free format text: SECURITY INTEREST;ASSIGNOR:HILL REFRIGERATION CORPORATION, A CORP. OF DE.;REEL/FRAME:004599/0811 Effective date: 19850627 Owner name: FIRST NATIONAL BANK OF BOSTON THE,STATELESS Free format text: SECURITY INTEREST;ASSIGNOR:HILL REFRIGERATION CORPORATION, A CORP. OF DE.;REEL/FRAME:004599/0811 Effective date: 19850627 |
|
AS | Assignment |
Owner name: HILL REFRIGERATION CORPORATION, A CORP. OF CA. Free format text: MERGER;ASSIGNOR:JEPSON REFRIGERATION CORPORATION (MERGED INTO);REEL/FRAME:004834/0614 Effective date: 19850627 Owner name: HILL REFRIGERATION CORPORATION, A CORP. OF CA., CA Free format text: MERGER;ASSIGNOR:JEPSON REFRIGERATION CORPORATION (MERGED INTO);REEL/FRAME:004834/0614 Effective date: 19850627 |
|
AS | Assignment |
Owner name: JEPSON CORPORATION, THE, A CORP. OF DE, DELAWARE Free format text: MERGER;ASSIGNOR:HILL REFRIGERATION CORPORATION;REEL/FRAME:005377/0466 Effective date: 19890929 |
|
AS | Assignment |
Owner name: MANUFACTURING HANOVER TRUST COMPANY Free format text: SECURITY INTEREST;ASSIGNOR:FALCON MANUFACTURING, INC., A CORP. OF DE;REEL/FRAME:005580/0638 Effective date: 19910109 |