IT1163982B - IMPROVEMENT IN PRESSURE-OPERATED HYDRAULIC CONTROL VALVES - Google Patents

IMPROVEMENT IN PRESSURE-OPERATED HYDRAULIC CONTROL VALVES

Info

Publication number: IT1163982B
Authority: IT; Italy
Prior art keywords: improvement; pressure; hydraulic control; control valves; operated hydraulic
Prior art date: 1978-04-17

Application number

IT48711/79A

Other languages

Italian (it)

Other versions

IT7948711A0 (en

Original Assignee

Gen Motors Corp

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.)

1978-04-17

Filing date

1979-04-12

Publication date

1987-04-08

1979-04-12 Application filed by Gen Motors Corp filed Critical Gen Motors Corp

1979-04-12 Publication of IT7948711A0 publication Critical patent/IT7948711A0/en

1987-04-08 Application granted granted Critical

1987-04-08 Publication of IT1163982B publication Critical patent/IT1163982B/en

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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/28—Control of machines or pumps with stationary cylinders
- F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Safety Valves (AREA)
Fluid-Driven Valves (AREA)
Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Compressor (AREA)
Fluid-Pressure Circuits (AREA)

IT48711/79A 1978-04-17 1979-04-12 IMPROVEMENT IN PRESSURE-OPERATED HYDRAULIC CONTROL VALVES IT1163982B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US89674178A	1978-04-17	1978-04-17

Publications (2)

Publication Number	Publication Date
IT7948711A0 IT7948711A0 (en)	1979-04-12
IT1163982B true IT1163982B (en)	1987-04-08

Family

ID=25406748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48711/79A IT1163982B (en)	1978-04-17	1979-04-12	IMPROVEMENT IN PRESSURE-OPERATED HYDRAULIC CONTROL VALVES

Country Status (10)

Country	Link
JP (1)	JPS54161116A (en)
AR (1)	AR217917A1 (en)
AU (1)	AU517986B2 (en)
BR (1)	BR7902279A (en)
CA (1)	CA1123402A (en)
DE (1)	DE2912615A1 (en)
FR (1)	FR2423809B1 (en)
GB (1)	GB2019043B (en)
IT (1)	IT1163982B (en)
SE (1)	SE7903241L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0637874B2 (en) *	1984-12-28	1994-05-18	株式会社豊田自動織機製作所	Variable capacity compressor
JPH02115577A (en) *	1988-10-24	1990-04-27	Sanden Corp	Variable capacity type swingable compressor
JPH0343685A (en) *	1989-07-05	1991-02-25	Sanden Corp	Capacity variable type oscillating compressor
JPH04342883A (en) *	1991-05-17	1992-11-30	Sanden Corp	Variable delivery swash plate type compressor
JPH11336660A (en) *	1998-05-27	1999-12-07	Toyota Autom Loom Works Ltd	Variable displacement compressor and assembling method therefor
CN108252973B (en) *	2018-01-20	2020-07-14	上海欧特莱阀门机械有限公司	Plug-in type direct-acting proportional pressure reducing valve
CN111608745B (en) *	2020-05-25	2025-11-21	中国船舶重工集团公司第七0三研究所	Pressure drop regulator applied to gas turbine
CN111734706A (en) *	2020-06-16	2020-10-02	浙江迦南科技股份有限公司	One-way buffer valve
CN114382897B (en) *	2022-01-22	2023-10-13	江苏明江阀业有限公司	High-risk medium anti-blocking reverse sealing corrugated pipe regulating valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH491375A (en) *	1968-05-27	1970-05-31	Siemens Ag	Method for measuring the thermal conductivity of gases and liquids
US4037993A (en) *	1976-04-23	1977-07-26	Borg-Warner Corporation	Control system for variable displacement compressor
US4061443A (en) *	1976-12-02	1977-12-06	General Motors Corporation	Variable stroke compressor

1979
- 1979-02-09 CA CA321,178A patent/CA1123402A/en not_active Expired
- 1979-03-27 AU AU45513/79A patent/AU517986B2/en not_active Ceased
- 1979-03-29 DE DE19792912615 patent/DE2912615A1/en not_active Withdrawn
- 1979-04-05 GB GB7911922A patent/GB2019043B/en not_active Expired
- 1979-04-11 SE SE7903241A patent/SE7903241L/en not_active Application Discontinuation
- 1979-04-11 BR BR7902279A patent/BR7902279A/en unknown
- 1979-04-12 IT IT48711/79A patent/IT1163982B/en active
- 1979-04-17 FR FR7909604A patent/FR2423809B1/en not_active Expired
- 1979-04-17 AR AR276219A patent/AR217917A1/en active
- 1979-04-17 JP JP4613879A patent/JPS54161116A/en active Pending

Also Published As

Publication number	Publication date
AR217917A1 (en)	1980-04-30
AU517986B2 (en)	1981-09-10
AU4551379A (en)	1979-10-25
GB2019043A (en)	1979-10-24
CA1123402A (en)	1982-05-11
GB2019043B (en)	1982-06-03
JPS54161116A (en)	1979-12-20
BR7902279A (en)	1979-12-11
FR2423809A1 (en)	1979-11-16
SE7903241L (en)	1979-10-18
FR2423809B1 (en)	1985-11-29
IT7948711A0 (en)	1979-04-12
DE2912615A1 (en)	1979-10-25

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