JPS50102909A - - Google Patents

Info

Publication number: JPS50102909A
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.): Pending

Application number

JP49079773A

Other languages

Priority date (The priority date 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 date listed.)

1974-01-14

Filing date

1974-07-13

Publication date

1975-08-14

1974-07-13 Application filed filed Critical

1975-08-14 Publication of JPS50102909A publication Critical patent/JPS50102909A/ja

Status Pending legal-status Critical Current

Links

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)

JP49079773A 1974-01-14 1974-07-13 Pending JPS50102909A (it)

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
JPS50102909A true JPS50102909A (it)	1975-08-14

Family

ID=23720073

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP49079773A Pending JPS50102909A (it)	1974-01-14	1974-07-13

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)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
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
DE102012013267A1 (de)	2012-07-04	2014-01-09	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Substrateinrichtung, Konservierungsgerät und Verfahren zur Kryokonservierung einer biologischen Probe
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)

* Cited by examiner, † Cited by third party
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

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
DE2434873A1 (de)	1975-07-17
SE404952B (sv)	1978-11-06
AU6996074A (en)	1975-12-11
FR2257880A1 (it)	1975-08-08
FR2257880B3 (it)	1977-05-06

Publication	Publication Date	Title
JPS50122122A (it)	1975-09-25
CH581249A5 (it)	1976-10-29
AU481101A (it)	1975-09-25
AU481663A (it)	1976-07-22
BG19668A1 (it)	1975-12-20
BG19764A1 (it)	1975-10-10
BG20660A1 (it)	1975-12-20
CH579884A5 (it)	1976-09-30
BG20937A1 (it)	1976-01-20
BG20947A1 (it)	1976-01-20
BG20994A1 (it)	1976-01-20
BG21067A1 (it)	1976-03-20
BG21312A1 (it)	1976-05-20
BG21341A1 (it)	1976-05-20
BG21690A2 (it)	1976-09-20
BG21760A1 (it)	1976-09-20
BG22061A3 (it)	1976-11-25
BG22084A3 (it)	1976-11-25
BG22667A1 (it)	1977-04-20
BG26365A3 (it)	1979-03-15
BG26517A4 (it)	1979-04-12
CH1378974A4 (it)	1976-08-31
CH1666774A4 (it)	1977-01-31
CH532175A4 (it)	1977-04-15
CH564999A5 (it)	1975-08-15