ZA825127B - Coaxial bidirectional spool valve - Google Patents

Coaxial bidirectional spool valve

Info

Publication number: ZA825127B
Authority: ZA; South Africa
Prior art keywords: spool valve; coaxial bidirectional; bidirectional spool; coaxial; valve
Prior art date: 1981-07-20

Application number

ZA825127A

Other languages

English (en)

Inventor

Francis Martin

Original Assignee

Pall 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.)

1981-07-20

Filing date

1982-07-19

Publication date

1983-05-25

1982-07-19 Application filed by Pall Corp filed Critical Pall Corp

1983-05-25 Publication of ZA825127B publication Critical patent/ZA825127B/xx

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/15—Bidirectional working filters
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
- Y10T137/778—Axes of ports co-axial
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
- Y10T137/8085—Hollow strainer, fluid inlet and outlet perpendicular to each other

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Multiple-Way Valves (AREA)
Multicomponent Fibers (AREA)

ZA825127A 1981-07-20 1982-07-19 Coaxial bidirectional spool valve ZA825127B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/284,908 US4439984A (en)	1981-07-20	1981-07-20	Coaxial bidirectional spool valve

Publications (1)

Publication Number	Publication Date
ZA825127B true ZA825127B (en)	1983-05-25

Family

ID=23092002

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA825127A ZA825127B (en)	1981-07-20	1982-07-19	Coaxial bidirectional spool valve

Country Status (8)

Country	Link
US (1)	US4439984A (xx)
EP (1)	EP0070508A1 (xx)
JP (1)	JPS5850370A (xx)
AU (1)	AU8616282A (xx)
BR (1)	BR8204185A (xx)
DK (1)	DK323982A (xx)
FI (1)	FI822541L (xx)
ZA (1)	ZA825127B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3412199A1 (de) *	1984-04-02	1985-10-03	Argo GmbH für Feinmechanik, 7527 Kraichtal	Filter
US4773444A (en) *	1986-11-21	1988-09-27	Bleth Joel J	Dual directional relief valve
US5144801A (en) *	1989-04-28	1992-09-08	Parker Hannifin Corporation	Electro-hydraulic actuator system
US5826612A (en) *	1992-08-31	1998-10-27	Ford Global Technologies, Inc.	Orifice scheduling ball check valve
US5535588A (en) *	1994-05-06	1996-07-16	Dana Corporation	Filter arrangement for single-acting telescopic hydraulic cylinders
KR0167032B1 (ko) *	1995-04-03	1998-12-01	서상기	양방향 압력감지형 릴리프 밸브
US6177049B1 (en)	1998-06-10	2001-01-23	Dsu Medical Corporation	Reversing flow blood processing system
US5894011A (en) *	1998-06-24	1999-04-13	Prosl; Frank R.	Flow reversing device for hemodialysis
US6319465B1 (en)	1999-06-03	2001-11-20	Dsu Medical Corporation	Reversing flow blood processing system having reduced clotting potential
US6227221B1 (en) *	2000-10-04	2001-05-08	Geoffrey W. Schmitz	Single-fluid apparatus for supplying vehicle power and lubrication fluid requirements and a system and method for fluid distribution and delivery
US6423215B1 (en)	2001-03-08	2002-07-23	Myron Stein	Fluid filter unit with automatic clogged filter element bypass and ferrous indicator flag
US7302966B2 (en) *	2004-11-08	2007-12-04	Schlumberger Technology Corporation	Flow control valve and method
DE102005052481A1 (de) *	2005-11-03	2007-05-24	Schaeffler Kg	Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine
US7610927B2 (en) *	2005-12-12	2009-11-03	Schmitz Geoffrey W	Apparatus, system and method for monitoring fluid flows and/or filter conditions and/or distributing a single fluid
DE102006036231A1 (de) *	2006-08-03	2008-02-07	Hydac Filtertechnik Gmbh	Filtervorrichtung
US8348642B2 (en) *	2007-10-31	2013-01-08	Schlumberger Technology Corporation	Active mud valve system
US9976663B2 (en) *	2010-05-26	2018-05-22	Petrolvalves S.P.A.	Intelligent pressure relief device for a double isolation valve
US10100933B2 (en) *	2012-06-29	2018-10-16	Acom Engineering Company	Auto stop fluid valve
DE102014007848A1 (de) *	2014-05-24	2015-11-26	Hydac Filtertechnik Gmbh	Filtervorrichtung
CN104912877A (zh) *	2015-04-22	2015-09-16	西南石油大学	防喷器油路的双向过滤器
IT201800002685A1 (it) *	2018-02-14	2019-08-14	Ivar Spa	Dispositivo e metodo per la filtrazione di un fluido circolante in un impianto termoidraulico
US11629736B2 (en)	2020-05-22	2023-04-18	Cnh Industrial America Llc	Filter for a hydraulic circuit of an agricultural system
CN113551041B (zh) *	2021-07-19	2023-03-24	嘉兴腾狼智能科技有限公司	多用途双流阀

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2934080A (en) *	1958-08-27	1960-04-26	New York Air Brake Co	Valve
DE1234120B (de) *	1963-01-22	1967-02-09	K & H Eppensteiner	Fluessigkeitsfilter fuer hydraulische UEbertragungsanlagen mit wechselnder Druckrichtung, insbesondere fuer Ruderapparate od. dgl.
US3996137A (en) *	1973-05-01	1976-12-07	Pall Corporation	Filter assemblies containing coaxial bidirectional flow control and relief valves
US4009572A (en) *	1973-05-01	1977-03-01	Pall Corporation	Hydrostat systems containing coaxial multidirectional flow control valves
US4003397A (en) *	1973-05-01	1977-01-18	Pall Corporation	Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same
US3985652A (en) *	1973-05-01	1976-10-12	Pall Corporation	Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same

1981
- 1981-07-20 US US06/284,908 patent/US4439984A/en not_active Expired - Fee Related
1982
- 1982-07-09 JP JP57119652A patent/JPS5850370A/ja active Pending
- 1982-07-14 EP EP82106292A patent/EP0070508A1/en not_active Withdrawn
- 1982-07-19 AU AU86162/82A patent/AU8616282A/en not_active Abandoned
- 1982-07-19 FI FI822541A patent/FI822541L/fi not_active Application Discontinuation
- 1982-07-19 DK DK323982A patent/DK323982A/da not_active Application Discontinuation
- 1982-07-19 BR BR8204185A patent/BR8204185A/pt unknown
- 1982-07-19 ZA ZA825127A patent/ZA825127B/xx unknown

Also Published As

Publication number	Publication date
EP0070508A1 (en)	1983-01-26
DK323982A (da)	1983-01-21
BR8204185A (pt)	1983-07-12
FI822541L (fi)	1983-01-21
FI822541A0 (fi)	1982-07-19
AU8616282A (en)	1983-01-27
JPS5850370A (ja)	1983-03-24
US4439984A (en)	1984-04-03

Publication	Publication Date	Title
GB2095795B (en)	1985-05-01	Spool valve
ZA825127B (en)	1983-05-25	Coaxial bidirectional spool valve
DE3270260D1 (en)	1986-05-07	Control valve
GB2109091B (en)	1985-10-16	Valve for pulsator
JPS57190166A (en)	1982-11-22	Valve mechanism
PH19504A (en)	1986-05-14	Single control faucet
PH17995A (en)	1985-02-28	Swivel valve
JPS57140973A (en)	1982-08-31	Valve
EP0139272A3 (en)	1985-12-11	Winder
DE3277226D1 (en)	1987-10-15	Trimmer valve
JPS57173605A (en)	1982-10-26	Control valve
GB2101178B (en)	1985-03-27	Control valve
IE822465L (en)	1983-04-14	Control valve
ZA826331B (en)	1983-07-27	Control valve arrangement
DE3277144D1 (en)	1987-10-08	Hand control valve
JPS56156564A (en)	1981-12-03	Spool valve
JPS57161355A (en)	1982-10-04	Control valve
DE3261950D1 (en)	1985-02-28	Control-mixing valve
GB8315617D0 (en)	1983-07-13	Spool valve
GB2121514B (en)	1985-08-29	Improved spool valve
GB2101969B (en)	1985-05-30	Dispensing valves
EP0068711A3 (en)	1983-05-11	Male-ended valve
GB2172089B (en)	1988-12-07	Valve spool
DE3265021D1 (en)	1985-09-05	Valve
DE3270541D1 (en)	1986-05-22	Winch control valve