GB1552987A

GB1552987A – Check valves
– Google Patents

GB1552987A – Check valves
– Google Patents
Check valves

Info

Publication number
GB1552987A

GB1552987A
GB33809/76A
GB3380976A
GB1552987A
GB 1552987 A
GB1552987 A
GB 1552987A
GB 33809/76 A
GB33809/76 A
GB 33809/76A
GB 3380976 A
GB3380976 A
GB 3380976A
GB 1552987 A
GB1552987 A
GB 1552987A
Authority
GB
United Kingdom
Prior art keywords
check valves
valves
check
Prior art date
1975-08-20
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
GB33809/76A
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.)

Sulzer AG

Original Assignee
Sulzer AG
Gebrueder 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
1976-08-13
Publication date
1979-09-19

1976-08-13
Application filed by Sulzer AG, Gebrueder Sulzer AG
filed
Critical
Sulzer AG

1979-09-19
Publication of GB1552987A
publication
Critical
patent/GB1552987A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

GB33809/76A
1975-08-20
1976-08-13
Check valves

Expired

GB1552987A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

CH1080575A

CH596485A5
(en)

1975-08-20
1975-08-20

Publications (1)

Publication Number
Publication Date

GB1552987A
true

GB1552987A
(en)

1979-09-19

Family
ID=4367048
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB33809/76A
Expired

GB1552987A
(en)

1975-08-20
1976-08-13
Check valves

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)

Cited By (6)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

WO2007101901A1
(en)

*

2006-03-06
2007-09-13
Polarteknik Pmc Oy Ab
Suction valve

CN101048598B
(en)

*

2004-10-15
2011-05-18
博世力士乐股份有限公司
Guiding one-way valve

US8820703B2
(en)

2007-09-13
2014-09-02
John Leslie Johnson
Double action directional fluid flow valve

CN106949265A
(en)

*

2017-05-05
2017-07-14
珠海格力电器股份有限公司
Air-conditioning equipment, handpiece Water Chilling Units, non-return structure and its control method

WO2018104106A1
(en)

*

2016-12-09
2018-06-14
Volvo Truck Corporation
A cooling system valve

WO2019220153A3
(en)

*

2018-05-14
2020-01-16
Hydromat D.O.O.
Axial valve of the modular concept of construction

Families Citing this family (13)

* 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

GB2525217B
(en)

*

2014-04-16
2017-02-08
Siemens Healthcare Ltd
A Pressure relief valve arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE188932C
(en)

*

DE192838C
(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
unknown

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
JP
JP51099200A
patent/JPS5944545B2/en
not_active
Expired

1976-08-19
FR
FR7625213A
patent/FR2321645A1/en
active
Granted

1976-08-20
BE
BE169960A
patent/BE845379A/en
not_active
IP Right Cessation

Cited By (14)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

CN101048598B
(en)

*

2004-10-15
2011-05-18
博世力士乐股份有限公司
Guiding one-way valve

WO2007101901A1
(en)

*

2006-03-06
2007-09-13
Polarteknik Pmc Oy Ab
Suction valve

US8113228B2
(en)

2006-03-06
2012-02-14
Polarteknik Pmc Oy Ab
Suction valve

US8820703B2
(en)

2007-09-13
2014-09-02
John Leslie Johnson
Double action directional fluid flow valve

US9395016B2
(en)

2007-09-13
2016-07-19
John Leslie Johnson
Double action direction fluid flow valve

US9587757B2
(en)

2007-09-13
2017-03-07
John Leslie Johnson
Double action direction fluid flow valve

US11079036B2
(en)

2007-09-13
2021-08-03
John Leslie Johnson
Double action direction fluid flow valve

US9841116B2
(en)

2007-09-13
2017-12-12
John Leslie Johnson
Double action direction fluid flow valve

CN110050114A
(en)

*

2016-12-09
2019-07-23
沃尔沃卡车集团
Cooling system valve

WO2018104106A1
(en)

*

2016-12-09
2018-06-14
Volvo Truck Corporation
A cooling system valve

US11053837B2
(en)

2016-12-09
2021-07-06
Volvo Truck Corporation
Cooling system valve

CN106949265A
(en)

*

2017-05-05
2017-07-14
珠海格力电器股份有限公司
Air-conditioning equipment, handpiece Water Chilling Units, non-return structure and its control method

WO2019220153A3
(en)

*

2018-05-14
2020-01-16
Hydromat D.O.O.
Axial valve of the modular concept of construction

US11359735B2
(en)

2018-05-14
2022-06-14
Hydromat D.O.O.
Axial valve of the modular concept of construction

Also Published As

Publication number
Publication date

SE420441B
(en)

1981-10-05

BE845379A
(en)

1977-02-21

IT1067989B
(en)

1985-03-21

SE7608844L
(en)

1977-02-21

NL169219B
(en)

1982-01-18

FR2321645A1
(en)

1977-03-18

DE2538760B2
(en)

1979-02-01

CH596485A5
(en)

1978-03-15

DE2538760C3
(en)

1979-09-27

JPS5226020A
(en)

1977-02-26

DE2538760A1
(en)

1977-02-24

NL7608887A
(en)

1977-02-22

NL169219C
(en)

1982-06-16

JPS5944545B2
(en)

1984-10-30

FR2321645B1
(en)

1983-03-11

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Legal Events

Date
Code
Title
Description

1979-12-05
PS
Patent sealed [section 19, patents act 1949]

1996-04-10
PCNP
Patent ceased through non-payment of renewal fee

Effective date:
19950813

Download PDF in English

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