DE2434873A1 - Rotationsschraubenverdichter mit optimal angeordneter stelle zur injektion eines fluessigen kuehlmittels - Google Patents
Rotationsschraubenverdichter mit optimal angeordneter stelle zur injektion eines fluessigen kuehlmittelsInfo
- Publication number
- DE2434873A1 DE2434873A1 DE2434873A DE2434873A DE2434873A1 DE 2434873 A1 DE2434873 A1 DE 2434873A1 DE 2434873 A DE2434873 A DE 2434873A DE 2434873 A DE2434873 A DE 2434873A DE 2434873 A1 DE2434873 A1 DE 2434873A1
- Authority
- DE
- Germany
- Prior art keywords
- compressor
- injection
- opening
- rotor
- compression
- 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.)
- Withdrawn
Links
- 239000002826 coolant Substances 0.000 title claims description 48
- 239000007788 liquid Substances 0.000 title claims description 46
- 238000002347 injection Methods 0.000 claims description 89
- 239000007924 injection Substances 0.000 claims description 89
- 238000007906 compression Methods 0.000 claims description 61
- 230000006835 compression Effects 0.000 claims description 41
- 238000001816 cooling Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 5
- 230000006735 deficit Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
- F04C28/125—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary-Type Compressors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US433418A US3885402A (en) | 1974-01-14 | 1974-01-14 | Optimized point of injection of liquid refrigerant in a helical screw rotary compressor for refrigeration use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2434873A1 true DE2434873A1 (de) | 1975-07-17 |
Family
ID=23720073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2434873A Withdrawn DE2434873A1 (de) | 1974-01-14 | 1974-07-19 | Rotationsschraubenverdichter mit optimal angeordneter stelle zur injektion eines fluessigen kuehlmittels |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3885402A (it) |
| JP (1) | JPS50102909A (it) |
| BR (1) | BR7407762D0 (it) |
| CA (1) | CA1001432A (it) |
| DE (1) | DE2434873A1 (it) |
| FR (1) | FR2257880B3 (it) |
| GB (1) | GB1464996A (it) |
| IT (1) | IT1014495B (it) |
| SE (1) | SE404952B (it) |
| ZA (1) | ZA743672B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9781918B2 (en) | 2012-07-04 | 2017-10-10 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Substrate unit, preservation device and method for the cryopreservation of a biological sample |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS189674B2 (en) * | 1973-11-19 | 1979-04-30 | Hall Thermotank Prod Ltd | Method of and apparatus for compressing gas or steam and for lubricating the compressing machine |
| GB1548663A (en) * | 1975-06-24 | 1979-07-18 | Maekawa Seisakusho Kk | Refrigerating apparatus |
| JPS5494149A (en) * | 1978-01-06 | 1979-07-25 | Hitachi Ltd | Freezer |
| JPS54163416A (en) * | 1978-06-14 | 1979-12-26 | Hitachi Ltd | Screw compressor |
| US4375156A (en) * | 1980-10-03 | 1983-03-01 | Dunham-Bush, Inc. | Closed loop compressed gas system with oil mist lubricated screw compressor |
| US4553911A (en) * | 1983-11-22 | 1985-11-19 | Frick Company | Method of coding the oil in screw compressors equipped with automatic variable volume ratio |
| US4515540A (en) * | 1983-11-22 | 1985-05-07 | Frick Company | Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio |
| FR2618494A1 (fr) * | 1987-07-21 | 1989-01-27 | Zimmern Bernard | Compresseur de refrigeration hermetique avec economiseur |
| US4974427A (en) * | 1989-10-17 | 1990-12-04 | Copeland Corporation | Compressor system with demand cooling |
| WO2007000815A1 (ja) * | 2005-06-29 | 2007-01-04 | Mayekawa Mfg. Co., Ltd | 二段スクリュー圧縮機の給油方法、装置及び冷凍装置の運転方法 |
| CN101400889B (zh) * | 2006-03-13 | 2012-10-03 | 开利公司 | 具有热气体旁路口的滑阀 |
| US20070251256A1 (en) * | 2006-03-20 | 2007-11-01 | Pham Hung M | Flash tank design and control for heat pumps |
| US8769982B2 (en) * | 2006-10-02 | 2014-07-08 | Emerson Climate Technologies, Inc. | Injection system and method for refrigeration system compressor |
| US8181478B2 (en) * | 2006-10-02 | 2012-05-22 | Emerson Climate Technologies, Inc. | Refrigeration system |
| US7647790B2 (en) * | 2006-10-02 | 2010-01-19 | Emerson Climate Technologies, Inc. | Injection system and method for refrigeration system compressor |
| US8096288B2 (en) * | 2008-10-07 | 2012-01-17 | Eaton Corporation | High efficiency supercharger outlet |
| US8539785B2 (en) | 2009-02-18 | 2013-09-24 | Emerson Climate Technologies, Inc. | Condensing unit having fluid injection |
| GB2533621B (en) * | 2014-12-23 | 2019-04-17 | Edwards Ltd | Rotary screw vacuum pumps |
| WO2018111985A1 (en) * | 2016-12-15 | 2018-06-21 | Carrier Corporation | Screw compressor with magnetic gear |
| US10856464B2 (en) * | 2017-08-01 | 2020-12-08 | Capstan Ag Systems, Inc. | Systems and methods for suppressing vaporization of volatile fluids in agricultural fluid application systems |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3073514A (en) * | 1956-11-14 | 1963-01-15 | Svenska Rotor Maskiner Ab | Rotary compressors |
| US3210958A (en) * | 1964-09-10 | 1965-10-12 | Gen Electric | Heat pump comprising rotary compressor including injection cooling arrangement |
| GB1171291A (en) * | 1965-10-12 | 1969-11-19 | Svenska Rotor Maskiner Ab | Screw Rotor Machines |
| US3795117A (en) * | 1972-09-01 | 1974-03-05 | Dunham Bush Inc | Injection cooling of screw compressors |
-
1974
- 1974-01-14 US US433418A patent/US3885402A/en not_active Expired - Lifetime
- 1974-06-04 CA CA201,635A patent/CA1001432A/en not_active Expired
- 1974-06-06 GB GB2523174A patent/GB1464996A/en not_active Expired
- 1974-06-06 SE SE7407434A patent/SE404952B/xx unknown
- 1974-06-10 ZA ZA00743672A patent/ZA743672B/xx unknown
- 1974-06-28 FR FR7422738A patent/FR2257880B3/fr not_active Expired
- 1974-07-09 IT IT69180/74A patent/IT1014495B/it active
- 1974-07-13 JP JP49079773A patent/JPS50102909A/ja active Pending
- 1974-07-19 DE DE2434873A patent/DE2434873A1/de not_active Withdrawn
- 1974-09-18 BR BR7762/74A patent/BR7407762D0/pt unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9781918B2 (en) | 2012-07-04 | 2017-10-10 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Substrate unit, preservation device and method for the cryopreservation of a biological sample |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1014495B (it) | 1977-04-20 |
| BR7407762D0 (pt) | 1975-09-16 |
| US3885402A (en) | 1975-05-27 |
| GB1464996A (en) | 1977-02-16 |
| CA1001432A (en) | 1976-12-14 |
| ZA743672B (en) | 1975-06-25 |
| SE7407434L (it) | 1975-07-15 |
| JPS50102909A (it) | 1975-08-14 |
| SE404952B (sv) | 1978-11-06 |
| AU6996074A (en) | 1975-12-11 |
| FR2257880A1 (it) | 1975-08-08 |
| FR2257880B3 (it) | 1977-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |