BE740289A - - Google Patents

Info

Publication number: BE740289A
Authority: BE; Belgium

Application number

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.)

1968-10-24

Filing date

1969-10-15

Publication date

1970-03-16

1969-10-15 Application filed filed Critical

1970-03-16 Publication of BE740289A publication Critical patent/BE740289A/xx

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
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)

BE740289D 1968-10-24 1969-10-15 BE740289A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19681804884 DE1804884A1 (de)	1968-10-24	1968-10-24	Schraubenverdichter mit zwei ineinandergreifenden Schraubenrotoren und einem axialverstellbaren Steuerschieber zur Foerdermengenregelung und OEleinspritzung

Publications (1)

Publication Number	Publication Date
BE740289A true BE740289A (xx)	1970-03-16

Family

ID=5711373

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE740289D BE740289A (xx)	1968-10-24	1969-10-15

Country Status (7)

Country	Link
BE (1)	BE740289A (xx)
DE (1)	DE1804884A1 (xx)
ES (1)	ES372757A1 (xx)
FR (1)	FR2021476A1 (xx)
GB (1)	GB1237333A (xx)
OA (1)	OA03154A (xx)
SE (1)	SE344351B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3734653A (en) *	1971-08-23	1973-05-22	S Edstrom	Screw compressor
GB1517156A (en) *	1974-06-21	1978-07-12	Svenska Rotor Maskiner Ab	Screw compressor including means for varying the capacity thereof
US4005949A (en) *	1974-10-10	1977-02-01	Vilter Manufacturing Corporation	Variable capacity rotary screw compressor
JPS5930919B2 (ja) *	1974-12-24	1984-07-30	北越工業（株）	液冷式回転圧縮機の液量及び気体容量調整装置
GB1555329A (en) *	1975-08-21	1979-11-07	Hall Thermotank Prod Ltd	Rotary fluid machines
JPS6117191U (ja) *	1984-07-04	1986-01-31	株式会社神戸製鋼所	スクリユ圧縮機
DE19523212C2 (de) *	1995-06-27	2001-08-02	Alup Kompressoren Gmbh	Schraubenverdichter
EP1567770B1 (de)	2002-12-03	2017-01-18	BITZER Kühlmaschinenbau GmbH	Schraubenverdichter
BRPI0808620A2 (pt) *	2007-03-29	2014-08-12	Vilter Mfg Llc	"compressor, conjunto de válvula de gaveta de alta pressão para uso em um compressor e método de controle de taxa de volume de compressão, de entrada de potência e de capacidade em um compressor operando em um ambiente de alta pressão"
US8454334B2 (en)	2011-02-10	2013-06-04	Trane International Inc.	Lubricant control valve for a screw compressor
CN104912804A (zh) *	2014-03-12	2015-09-16	珠海格力电器股份有限公司	滑阀组件及包含该滑阀组件的压缩机
CN207333184U (zh) *	2015-01-28	2018-05-08	三菱电机株式会社	螺杆压缩机
US10876531B2 (en) *	2018-12-26	2020-12-29	Trane International Inc.	Lubricant injection for a screw compressor
US11306721B2 (en) *	2018-12-26	2022-04-19	Trane International Inc.	Variable volume ratio screw compressor

1968
- 1968-10-24 DE DE19681804884 patent/DE1804884A1/de not_active Withdrawn
1969
- 1969-10-15 BE BE740289D patent/BE740289A/xx not_active IP Right Cessation
- 1969-10-15 GB GB50619/69A patent/GB1237333A/en not_active Expired
- 1969-10-21 ES ES372757A patent/ES372757A1/es not_active Expired
- 1969-10-23 FR FR6936385A patent/FR2021476A1/fr not_active Withdrawn
- 1969-10-23 SE SE14513/69A patent/SE344351B/xx unknown
- 1969-10-23 OA OA53761A patent/OA03154A/xx unknown

Also Published As

Publication number	Publication date
ES372757A1 (es)	1972-02-16
SE344351B (xx)	1972-04-10
GB1237333A (en)	1971-06-30
FR2021476A1 (xx)	1970-07-24
DE1804884A1 (de)	1970-09-17
OA03154A (fr)	1970-12-15

Publication	Publication Date	Title
AU1946070A (xx)	1972-05-09
AU5506869A (xx)	1970-11-26
AU2374870A (xx)	1972-06-29
FR2021476A1 (xx)	1970-07-24
AU416157B2 (xx)	1971-08-23
AU429879B2 (xx)	1972-11-09
AU2581067A (xx)	1970-02-19
AU421558B1 (xx)	1970-01-29
AU3789668A (xx)	1968-06-20
AR203075Q (xx)	1975-08-14
AU2580267A (xx)	1970-02-05
AU4744468A (xx)	1970-06-18
AU3224368A (xx)	1969-07-17
BE727015A (xx)	1969-07-17
BE709496A (xx)	1968-07-17
AU2889368A (xx)	1969-05-01
AU4224469A (xx)	1970-02-26
AU2496167A (xx)	1970-01-15
BE728709A (xx)	1969-08-01
BE728099A (xx)	1969-08-07
BE727491A (xx)	1969-07-28
BE726867A (xx)	1969-06-16
BE726733A (xx)	1969-06-16
BE725029A (xx)	1969-05-16
BE724358A (xx)	1969-05-22

Legal Events

Date	Code	Title	Description
1986-04-30	RE	Patent lapsed	Owner name: GUTEHOFFNUNGSHUTTE STERKRADE A.G. Effective date: 19851031

Date

Code

Title

Description

1986-04-30

Patent lapsed

Owner name: GUTEHOFFNUNGSHUTTE STERKRADE A.G.

Effective date: 19851031