SE420441B - CHECK VALVE - Google Patents

CHECK VALVE

Info

Publication number: SE420441B
Authority: SE; Sweden
Prior art keywords: check valve; check; valve
Prior art date: 1975-08-20

Application number

SE7608844A

Other languages

Swedish (sv)

Other versions

SE7608844L (en

Inventor

K H Grotloh

Original Assignee

Sulzer 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.)

1975-08-20

Filing date

1976-08-06

Publication date

1981-10-05

1976-08-06 Application filed by Sulzer Ag filed Critical Sulzer Ag

1977-02-21 Publication of SE7608844L publication Critical patent/SE7608844L/en

1981-10-05 Publication of SE420441B publication Critical patent/SE420441B/en

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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1826—Check valves which can be actuated by a pilot valve
- 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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Check Valves (AREA)

SE7608844A 1975-08-20 1976-08-06 CHECK VALVE SE420441B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1080575A CH596485A5 (en)	1975-08-20	1975-08-20

Publications (2)

Publication Number	Publication Date
SE7608844L SE7608844L (en)	1977-02-21
SE420441B true SE420441B (en)	1981-10-05

Family

ID=4367048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7608844A SE420441B (en)	1975-08-20	1976-08-06	CHECK VALVE

Country Status (9)

Country	Link
JP (1)	JPS5944545B2 (en)
BE (1)	BE845379A (en)
CH (1)	CH596485A5 (en)
DE (1)	DE2538760C3 (en)
FR (1)	FR2321645A1 (en)
GB (1)	GB1552987A (en)
IT (1)	IT1067989B (en)
NL (1)	NL169219C (en)
SE (1)	SE420441B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2715419C2 (en) *	1977-04-06	1985-02-28	Wolfgang 5064 Rösrath Berns	Shut-off valve, in particular high-pressure shut-off valve, with a quick-closing option
US4172582A (en) *	1977-04-21	1979-10-30	Rexnord Inc.	Reverse differential holding valve
DE2757352B2 (en) *	1977-12-22	1981-06-19	Carl Heinz Dipl.-Ing. 4050 Mönchengladbach Häfele	Automatic check valve
DE2856242C3 (en) *	1978-12-27	1984-05-17	Integral Hydraulik & Co, 4000 Düsseldorf	Check valve that can be unlocked easily
CH661777A5 (en) *	1981-05-25	1987-08-14	Sulzer Ag	CHECK VALVE.
JPS57203621A (en) *	1981-06-04	1982-12-14	Usesoyuzuni Ni I Pk I Atomunog	Feeder for flowing and supplying bulk material
JPS5822220A (en) *	1981-07-27	1983-02-09	ウセソユズニ・ナウチノ−イスレドヴアテルスキ・イ・プロエクトノ−コンストルクトルスキ・インスチテユ−ト・アトムノゴ・エネルゲチチエスコゴ・マシノストロエニア	Feeder for powdered and granular body
DE3210790A1 (en) *	1982-03-24	1983-10-06	Bauer Kompressoren	Pressure medium-actuated controllable shut-off valve
JPH06100296B2 (en) *	1985-10-08	1994-12-12	岡野バルブ製造株式会社	Self-operated valve
DE4123610C2 (en) *	1991-07-17	1994-04-28	Vos Richard Grubenausbau Gmbh	Adjustable spray valve
DE4323462C2 (en) *	1993-07-14	1995-05-04	Vos Richard Grubenausbau Gmbh	Removal stamp for underground use with integrated pressure relief valve
DE19721356A1 (en) *	1997-05-22	1998-12-03	Gerhard Habla	Back-flow prevention valve operated by hydraulic or pneumatic force
DE112005002544A5 (en) *	2004-10-15	2007-07-12	Bosch Rexroth Ag	Pilot operated check valve
EP1994319B1 (en)	2006-03-06	2016-07-13	Pmc Polarteknik Oy Ab	Suction valve
WO2009035926A2 (en)	2007-09-13	2009-03-19	John Leslie Johnson	Double action directional fluid flow valve
GB2525217B (en) *	2014-04-16	2017-02-08	Siemens Healthcare Ltd	A Pressure relief valve arrangement
WO2018104106A1 (en) *	2016-12-09	2018-06-14	Volvo Truck Corporation	A cooling system valve
CN106949265B (en) *	2017-05-05	2023-01-24	珠海格力电器股份有限公司	Air conditioning equipment, water chilling unit, non-return structure and control method thereof
US11359735B2 (en)	2018-05-14	2022-06-14	Hydromat D.O.O.	Axial valve of the modular concept of construction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE192838C (en) *
DE188932C (en) *
US1555817A (en) *	1924-09-20	1925-10-06	Charles E Golden	Control valve
JPS445664Y1 (en) *	1964-09-21	1969-02-28
DE1775356B2 (en) *	1968-08-01	1974-04-18	Siemens Ag, 1000 Berlin U. 8000 Muenchen	check valve
US3568706A (en) *	1969-02-06	1971-03-09	Anderson Greenwood & Co	Pressure relieving system
IT980603B (en) *	1972-04-17	1974-10-10	Hydromatik Gmbh	SEAT TYPE TWO-WAY VALVE

1975
- 1975-08-20 CH CH1080575A patent/CH596485A5/xx not_active IP Right Cessation
- 1975-09-01 DE DE2538760A patent/DE2538760C3/en not_active Expired
1976
- 1976-08-06 SE SE7608844A patent/SE420441B/en not_active IP Right Cessation
- 1976-08-10 NL NLAANVRAGE7608887,A patent/NL169219C/en not_active IP Right Cessation
- 1976-08-12 IT IT26234/76A patent/IT1067989B/en active
- 1976-08-13 GB GB33809/76A patent/GB1552987A/en not_active Expired
- 1976-08-19 FR FR7625213A patent/FR2321645A1/en active Granted
- 1976-08-19 JP JP51099200A patent/JPS5944545B2/en not_active Expired
- 1976-08-20 BE BE169960A patent/BE845379A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL169219B (en)	1982-01-18
GB1552987A (en)	1979-09-19
CH596485A5 (en)	1978-03-15
NL7608887A (en)	1977-02-22
FR2321645A1 (en)	1977-03-18
IT1067989B (en)	1985-03-21
NL169219C (en)	1982-06-16
DE2538760A1 (en)	1977-02-24
DE2538760C3 (en)	1979-09-27
JPS5226020A (en)	1977-02-26
BE845379A (en)	1977-02-21
FR2321645B1 (en)	1983-03-11
JPS5944545B2 (en)	1984-10-30
SE7608844L (en)	1977-02-21
DE2538760B2 (en)	1979-02-01

Publication	Publication Date	Title
IT1066269B (en)	1985-03-04	CHECK VALVE
FR2317577A1 (en)	1977-02-04	VALVE
SE422984B (en)	1982-04-05	CHECK VALVE
NL7614002A (en)	1978-06-20	CHECK VALVE.
SE433774B (en)	1984-06-12	CHECK VALVE
FR2311239A1 (en)	1976-12-10	PERFECTIONED VALVE
FR2308033A1 (en)	1976-11-12	VALVE
IT1068762B (en)	1985-03-21	VALVE
SE420441B (en)	1981-10-05	CHECK VALVE
BE839607A (en)	1976-09-16	VALVE
SE427573B (en)	1983-04-18	CONIC CHECK VALVE
SE7601723L (en)	1976-08-19	THRAP VALVE
FR2316508A1 (en)	1977-01-28	CHECK VALVE
BR7604393A (en)	1978-01-17	VALVE
IT1072854B (en)	1985-04-13	VALVE
IT1192121B (en)	1988-03-31	THERMO-CONTROLLED VALVE
ATA128076A (en)	1984-07-15	VALVE ARRANGEMENT
SE420337B (en)	1981-09-28	CYLINDRICAL CHECK VALVE
RO69192A (en)	1982-02-01	VALVE
SE423824B (en)	1982-06-07	ATERSTROMNINGS-double valve
SE7605550L (en)	1976-11-22	REFLOWER DOUBLE VALVE
SE429741B (en)	1983-09-26	MULTI-LONG VALVE CHECK
FR2300273A1 (en)	1976-09-03	VALVE
BE849404A (en)	1977-04-01	PERFECTIONED VALVE
PL96864B1 (en)	1978-01-31	CHECK VALVE

Legal Events

Date	Code	Title	Description
1995-01-31	NAL	Patent in force	Ref document number: 7608844-2 Format of ref document f/p: F
1996-05-13	NUG	Patent has lapsed	Ref document number: 7608844-2 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 7608844-2

Format of ref document f/p: F

1996-05-13

NUG

Patent has lapsed