EP0478939A3 - Two-stage rotary compressor for refrigerating plants - Google Patents

Two-stage rotary compressor for refrigerating plants Download PDF

Info

Publication number: EP0478939A3
Authority: EP; European Patent Office
Prior art keywords: rotary compressor; stage rotary; refrigerating plants; refrigerating; plants
Prior art date: 1990-10-03
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19910114044

Other languages

English (en)

Other versions

EP0478939A2 (en

Inventor

Giulio Contaldi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ing Enea Mattei SpA

Original Assignee

Ing Enea Mattei SpA

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.)

1990-10-03

Filing date

1991-08-22

Publication date

1992-04-22

1991-08-22 Application filed by Ing Enea Mattei SpA filed Critical Ing Enea Mattei SpA

1992-04-08 Publication of EP0478939A2 publication Critical patent/EP0478939A2/en

1992-04-22 Publication of EP0478939A3 publication Critical patent/EP0478939A3/en

Status Withdrawn legal-status Critical Current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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- 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
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/02—Subcoolers

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)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Separation By Low-Temperature Treatments (AREA)

EP19910114044 1990-10-03 1991-08-22 Two-stage rotary compressor for refrigerating plants Withdrawn EP0478939A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2187890U		1990-10-03
IT2187890U IT220269Z2 (it)	1990-10-03	1990-10-03	Compressione rotativo bistadio per impianti frigoriferi

Publications (2)

Publication Number	Publication Date
EP0478939A2 EP0478939A2 (en)	1992-04-08
EP0478939A3 true EP0478939A3 (en)	1992-04-22

Family

ID=11188126

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19910114044 Withdrawn EP0478939A3 (en)	1990-10-03	1991-08-22	Two-stage rotary compressor for refrigerating plants

Country Status (2)

Country	Link
EP (1)	EP0478939A3 (it)
IT (1)	IT220269Z2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6185944B1 (en) *	1999-02-05	2001-02-13	Midwest Research Institute	Refrigeration system with a compressor-pump unit and a liquid-injection desuperheating line
JP2007100513A (ja) *	2005-09-30	2007-04-19	Sanyo Electric Co Ltd	冷媒圧縮機及びその冷媒圧縮機を備えた冷媒サイクル装置
MX2016006780A (es)	2013-11-25	2016-09-07	Coca Cola Co	Compresor con un separador de aceite.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3168236A (en) *	1963-09-05	1965-02-02	Jaeger Machine Co	Oil scavenging system for a rotary compressor
US3226949A (en) *	1964-05-05	1966-01-04	Worthington Corp	Multi-zone refrigeration system and apparatus
GB1174370A (en) *	1968-05-07	1969-12-17	Stal Refrigeration Ab	A Compressor Unit.
DE2230064A1 (de) *	1971-06-21	1973-01-11	Vilter Manufacturing Corp	Drehschraubenmotor
US3859815A (en) *	1973-10-12	1975-01-14	Maekawa Seisakusho Kk	Two-stage compression apparatus
FR2381983A1 (fr) *	1977-02-28	1978-09-22	Luft U Kaeltetechnik Veb K	Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

1990
- 1990-10-03 IT IT2187890U patent/IT220269Z2/it active IP Right Grant
1991
- 1991-08-22 EP EP19910114044 patent/EP0478939A3/en not_active Withdrawn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3168236A (en) *	1963-09-05	1965-02-02	Jaeger Machine Co	Oil scavenging system for a rotary compressor
US3226949A (en) *	1964-05-05	1966-01-04	Worthington Corp	Multi-zone refrigeration system and apparatus
GB1174370A (en) *	1968-05-07	1969-12-17	Stal Refrigeration Ab	A Compressor Unit.
DE2230064A1 (de) *	1971-06-21	1973-01-11	Vilter Manufacturing Corp	Drehschraubenmotor
US3859815A (en) *	1973-10-12	1975-01-14	Maekawa Seisakusho Kk	Two-stage compression apparatus
FR2381983A1 (fr) *	1977-02-28	1978-09-22	Luft U Kaeltetechnik Veb K	Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 216 (M-168)29 October 1982 & JP-A-57 122 193 ( HITACHI ) 29 July 1982 *

Also Published As

Publication number	Publication date
IT220269Z2 (it)	1993-09-15
EP0478939A2 (en)	1992-04-08
IT9021878U1 (it)	1992-04-03
IT9021878V0 (it)	1990-10-03

Legal Events

Date	Code	Title	Description
1992-02-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1992-03-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-04-08	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR LI LU NL SE
1992-04-22	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR LI LU NL SE
1992-11-19	17P	Request for examination filed	Effective date: 19920909
1993-04-21	17Q	First examination report despatched	Effective date: 19930308
1993-12-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1994-02-02	18D	Application deemed to be withdrawn	Effective date: 19930720

Publication	Publication Date	Title
SG102554A1 (en)	2004-03-26	Refrigerant compressor
GB2257757B (en)	1994-11-09	Refrigeration compressor
GB9124478D0 (en)	1992-01-08	Rotary type multi-stage gas compressor
EP0482209A4 (en)	1993-01-07	Scroll compressor
AU651276B2 (en)	1994-07-14	Scroll type compressor
AU635159B2 (en)	1993-03-11	Scroll type compressor
EP0345919A3 (en)	1990-07-04	Refrigeration compressor
AU8349091A (en)	1992-05-21	Scroll type compressor
EP0519580A3 (en)	1993-07-07	Rotary compressor
TW313219U (en)	1997-08-11	Scroll type compressor
EP0587157A3 (en)	1994-06-29	Package-type screw compressor
TW373690U (en)	1999-11-01	Vane compressor
SG68559A1 (en)	1999-11-16	Rotary compressor
GB9120842D0 (en)	1991-11-13	Scroll compressor
EP0510402A3 (en)	1993-11-24	Orbiting rotary compressor
GB2256460B (en)	1994-09-28	Compressor
AU4482496A (en)	1997-08-20	Compressor refrigerating plant
IL95247A0 (en)	1991-06-10	Refrigerant gas compressor construction
KR930009732B1 (en)	1993-10-09	Rotary compressor
AU640528B2 (en)	1993-08-26	Scroll type compressor
EP0520431A3 (en)	1993-07-14	Scroll type compressor
EP0478795A4 (en)	1992-10-21	Scroll compressor
EP0533957A4 (en)	1993-11-03	Rotary compressor
EP0480065A4 (en)	1993-07-28	Scroll compressor
AU7600091A (en)	1992-02-27	Scroll-type compressor