GB2012922B - Control valve with spring return - Google Patents

Control valve with spring return

Info

Publication number: GB2012922B
Authority: GB; United Kingdom
Prior art keywords: control valve; spring return; return; spring; valve
Prior art date: 1978-01-21
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.): Expired

Application number

GB791935A

Other versions

GB2012922A (en

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.)

ZF Friedrichshafen AG

Original Assignee

ZF Friedrichshafen AG

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.)

1978-01-21

Filing date

1979-01-19

Publication date

1982-04-21

1979-01-19 Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG

1979-08-01 Publication of GB2012922A publication Critical patent/GB2012922A/en

1982-04-21 Application granted granted Critical

1982-04-21 Publication of GB2012922B publication Critical patent/GB2012922B/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Safety Valves (AREA)

GB791935A 1978-01-21 1979-01-19 Control valve with spring return Expired GB2012922B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19782802675 DE2802675A1 (en)	1978-01-21	1978-01-21	CONTROL VALVE WITH SPRING RESET

Publications (2)

Publication Number	Publication Date
GB2012922A GB2012922A (en)	1979-08-01
GB2012922B true GB2012922B (en)	1982-04-21

Family

ID=6030093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB791935A Expired GB2012922B (en)	1978-01-21	1979-01-19	Control valve with spring return

Country Status (6)

Country	Link
BR (1)	BR7900350A (en)
DE (1)	DE2802675A1 (en)
FR (1)	FR2417046A1 (en)
GB (1)	GB2012922B (en)
IT (1)	IT1114349B (en)
PL (1)	PL212926A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3030494C2 (en) *	1980-08-12	1988-07-07	Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen	Device for monitoring and regulating the braking power of a hydraulic retarder
DE3331977A1 (en) *	1983-09-05	1985-04-04	Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen	SEAT VALVE FOR CONTROLLING THE FLOW OF A FLOWING MEDIUM THROUGH A PIPE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE452471A (en) *
DE2049818A1 (en) *	1970-10-10	1972-04-13	Ver Flugtechnische Werke	Pressure relief valve
DE2547916C2 (en) *	1975-10-25	1986-06-05	Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen	Limit switch-off for the steering motor of hydraulic motor vehicle power steering systems

1978
- 1978-01-21 DE DE19782802675 patent/DE2802675A1/en not_active Withdrawn
1979
- 1979-01-17 IT IT47671/79A patent/IT1114349B/en active
- 1979-01-19 GB GB791935A patent/GB2012922B/en not_active Expired
- 1979-01-19 FR FR7901396A patent/FR2417046A1/en not_active Withdrawn
- 1979-01-19 BR BR7900350A patent/BR7900350A/en unknown
- 1979-01-22 PL PL21292679A patent/PL212926A1/xx unknown

Also Published As

Publication number	Publication date
DE2802675A1 (en)	1979-07-26
PL212926A1 (en)	1979-11-05
BR7900350A (en)	1979-08-14
IT1114349B (en)	1986-01-27
GB2012922A (en)	1979-08-01
FR2417046A1 (en)	1979-09-07
IT7947671A0 (en)	1979-01-17

Publication	Publication Date	Title
GB2034008B (en)	1983-01-12	Control valve
JPS54147525A (en)	1979-11-17	Control valve
GB2054103B (en)	1983-04-07	Control valve
GB2013836B (en)	1982-06-03	Control valve
JPS5628370A (en)	1981-03-19	Control valve
JPS5599470A (en)	1980-07-29	Control valve
GB2038999B (en)	1982-12-08	Valve with slow-opening mechanism
DE2967244D1 (en)	1984-11-08	Control valve linkage
GB2018954B (en)	1982-07-07	Valve assembly
JPS5533993A (en)	1980-03-10	Temperature control valve
JPS5599469A (en)	1980-07-29	Control valve
GB2018896B (en)	1982-07-14	Valve actuator
JPS5673271A (en)	1981-06-17	Direction control valve
PH16984A (en)	1984-05-04	Valve assembly
JPS54125531A (en)	1979-09-29	Direction control valve
DE2962819D1 (en)	1982-07-01	Valve assembly
IL58598A0 (en)	1980-02-29	Piezoelectric control valve
JPS5514393A (en)	1980-01-31	Control valve
JPS54133631A (en)	1979-10-17	Shuttoff control valve
JPS5642778A (en)	1981-04-21	Control valve
YU153979A (en)	1983-02-28	Closed circle control valve
GB2060139B (en)	1983-06-29	Control valve
JPS55152968A (en)	1980-11-28	Control valve
JPS5539881A (en)	1980-03-21	Control valve
GB2012922B (en)	1982-04-21	Control valve with spring return

Legal Events

Date	Code	Title	Description
1983-09-07	PCNP	Patent ceased through non-payment of renewal fee