JPS5433612B2 - - Google Patents
Info
- Publication number
- JPS5433612B2 JPS5433612B2 JP2617377A JP2617377A JPS5433612B2 JP S5433612 B2 JPS5433612 B2 JP S5433612B2 JP 2617377 A JP2617377 A JP 2617377A JP 2617377 A JP2617377 A JP 2617377A JP S5433612 B2 JPS5433612 B2 JP S5433612B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
-
- 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
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration cycle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/666,277 US4033738A (en) | 1976-03-12 | 1976-03-12 | Heat pump system with multi-stage centrifugal compressors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52112155A JPS52112155A (en) | 1977-09-20 |
| JPS5433612B2 true JPS5433612B2 (US20110009641A1-20110113-C00160.png) | 1979-10-22 |
Family
ID=24673555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2617377A Granted JPS52112155A (en) | 1976-03-12 | 1977-03-11 | Heattpump system with multiistage centrifugal compressor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4033738A (US20110009641A1-20110113-C00160.png) |
| JP (1) | JPS52112155A (US20110009641A1-20110113-C00160.png) |
| CA (1) | CA1068380A (US20110009641A1-20110113-C00160.png) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454725A (en) * | 1982-09-29 | 1984-06-19 | Carrier Corporation | Method and apparatus for integrating a supplemental heat source with staged compressors in a heat pump |
| ZA8562B (en) * | 1984-01-11 | 1985-09-25 | Copeland Corp | Highly efficient flexible two-stage refrigeration system |
| US6931871B2 (en) * | 2003-08-27 | 2005-08-23 | Shaw Engineering Associates, Llc | Boosted air source heat pump |
| US7299649B2 (en) * | 2003-12-09 | 2007-11-27 | Emerson Climate Technologies, Inc. | Vapor injection system |
| US7028491B2 (en) * | 2004-03-29 | 2006-04-18 | Tecumseh Products Company | Method and apparatus for reducing inrush current in a multi-stage compressor |
| US7802441B2 (en) * | 2004-05-12 | 2010-09-28 | Electro Industries, Inc. | Heat pump with accumulator at boost compressor output |
| US7849700B2 (en) * | 2004-05-12 | 2010-12-14 | Electro Industries, Inc. | Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system |
| US20080098760A1 (en) * | 2006-10-30 | 2008-05-01 | Electro Industries, Inc. | Heat pump system and controls |
| WO2006030776A1 (ja) * | 2004-09-13 | 2006-03-23 | Daikin Industries, Ltd. | 冷凍装置 |
| US7275385B2 (en) * | 2005-08-22 | 2007-10-02 | Emerson Climate Technologies, Inc. | Compressor with vapor injection system |
| US8037710B2 (en) | 2005-08-22 | 2011-10-18 | Emerson Climate Technologies, Inc. | Compressor with vapor injection system |
| FR2890418A1 (fr) * | 2005-09-02 | 2007-03-09 | Atlas Copco Crepelle S A S | Installation de compression haute pression a plusieurs etages |
| WO2009101818A1 (ja) * | 2008-02-15 | 2009-08-20 | Panasonic Corporation | 冷凍サイクル装置 |
| WO2013133832A2 (en) * | 2012-03-08 | 2013-09-12 | Danfoss Turbocor Compressors B.V. | High pressure ratio multi-stage centrifugal compressor |
| CN109296526B (zh) * | 2018-10-30 | 2024-04-05 | 苏州奥德高端装备股份有限公司 | 制冷机组断流保护结构 |
| CN110579064A (zh) * | 2019-09-23 | 2019-12-17 | 珠海格力电器股份有限公司 | 一种制冷系统及包含其的冷库 |
| WO2024079045A1 (en) * | 2022-10-10 | 2024-04-18 | Vertiv Srl | Heat pump with multi-stage compressor and spiral housings |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2177602A (en) * | 1936-05-11 | 1939-10-24 | Honeywell Regulator Co | Air conditioning system |
| US2196687A (en) * | 1937-01-16 | 1940-04-09 | Honeywell Regulator Co | Air conditioning system |
| US3599006A (en) * | 1969-08-14 | 1971-08-10 | Deltrol Corp | Condition control device and system |
| US3668883A (en) * | 1970-06-12 | 1972-06-13 | John D Ruff | Centrifugal heat pump with overload protection |
-
1976
- 1976-03-12 US US05/666,277 patent/US4033738A/en not_active Expired - Lifetime
-
1977
- 1977-03-08 CA CA273,493A patent/CA1068380A/en not_active Expired
- 1977-03-11 JP JP2617377A patent/JPS52112155A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52112155A (en) | 1977-09-20 |
| US4033738A (en) | 1977-07-05 |
| CA1068380A (en) | 1979-12-18 |
