ZA825630B - Magnetic differential pressure valve with an indicator showing when valve has opened or closed - Google Patents

Magnetic differential pressure valve with an indicator showing when valve has opened or closed

Info

Publication number
ZA825630B
ZA825630B ZA825630A ZA825630A ZA825630B ZA 825630 B ZA825630 B ZA 825630B ZA 825630 A ZA825630 A ZA 825630A ZA 825630 A ZA825630 A ZA 825630A ZA 825630 B ZA825630 B ZA 825630B
Authority
ZA
South Africa
Prior art keywords
valve
opened
closed
differential pressure
indicator showing
Prior art date
Application number
ZA825630A
Other languages
English (en)
Inventor
Bryan Henry Worwood
Paul Stallard
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.)
Filing date
Publication date
Application filed by Pall Corp filed Critical Pall Corp
Publication of ZA825630B publication Critical patent/ZA825630B/xx

Links

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
    • B01D35/143—Filter condition indicators
    • 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
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8242—Electrical
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8359—Inspection means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Safety Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Measuring Fluid Pressure (AREA)
ZA825630A 1981-08-04 1982-08-04 Magnetic differential pressure valve with an indicator showing when valve has opened or closed ZA825630B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/289,866 US4498495A (en) 1981-08-04 1981-08-04 Magnetic differential pressure valve with an indicator showing when valve has opened or closed

Publications (1)

Publication Number Publication Date
ZA825630B true ZA825630B (en) 1983-07-27

Family

ID=23113458

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825630A ZA825630B (en) 1981-08-04 1982-08-04 Magnetic differential pressure valve with an indicator showing when valve has opened or closed

Country Status (8)

Country Link
US (1) US4498495A (xx)
EP (1) EP0071877B1 (xx)
JP (1) JPS5828081A (xx)
AU (1) AU8667482A (xx)
CA (1) CA1192113A (xx)
DE (1) DE3276298D1 (xx)
NO (1) NO822657L (xx)
ZA (1) ZA825630B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669960A (en) * 1985-02-26 1987-06-02 Lexair, Inc. Fluid pressure sensor
US4654140A (en) * 1985-11-18 1987-03-31 Chen Yen Ming Pressure indicating device for indicating clogging condition of a filter
DE3700593A1 (de) * 1986-01-13 1987-07-16 Sharp Kk Rotations-entwicklungsvorrichtung
JPS62162483U (xx) * 1986-04-03 1987-10-15
US4846219A (en) * 1988-01-15 1989-07-11 Parker-Hannifin Corporation Pressure relief by pass control valve
US5008841B1 (en) * 1989-07-28 1995-09-19 Liberty Technologies Inc Non-invasive system and method for inspection of valves
US5140263A (en) * 1990-04-20 1992-08-18 Liberty Technology Center, Inc. System for determining position of an internal, movable conductive element
US5086273A (en) * 1990-04-20 1992-02-04 Liberty Technology Center, Inc. A.C. electromagnetic system for determining position of an encased movable electrically conductive element
GB2255826B (en) * 1991-05-13 1994-08-24 Pall Corp Indicators
GB9319325D0 (en) * 1993-09-17 1993-11-03 Rover Group Fuel pressure monitoring
DK90694A (da) * 1994-08-03 1996-02-04 Heco International A S Filter, især magnetfilter, til kontinuert drift
US6058967A (en) * 1997-12-17 2000-05-09 Valvetech, Inc. Magnetic activation system for switch
JPH11344151A (ja) * 1998-06-02 1999-12-14 Fujikin Inc 制御器
US6868732B2 (en) * 2002-09-25 2005-03-22 Siemens Vdo Automotive Inc. Differential pressure signaling device and method employing a magnetoresistive sensor
US20060081294A1 (en) * 2004-10-15 2006-04-20 Festo Corporation Pressure regulator with integrated flow switch
US7615151B2 (en) * 2007-01-25 2009-11-10 Cummins Filtration Ip Inc. Filter with installation integrity and magnetic flow-control
RU2491465C1 (ru) * 2011-12-14 2013-08-27 Общество с ограниченной ответственностью Производственно-научная фирма "ЛГавтоматика" Индикатор разности давлений
US9220999B2 (en) 2012-02-03 2015-12-29 Airsept, Inc. In-line single outlet filter with automatic clogged filter element bypass
US20150122354A1 (en) * 2013-11-01 2015-05-07 Ron Mills Automatically resettable pressure relief valve with manually resettable indicator system
US10941683B2 (en) * 2016-09-23 2021-03-09 Bell Helicopter Textron Inc. Oil filter with impending and full-bypass indicators
RU2693952C1 (ru) * 2018-03-29 2019-07-08 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный университет" Министерства обороны Российской Федерации Индикатор разности давлений
US11173433B2 (en) * 2019-11-20 2021-11-16 Shenzhen Shenlan Electric Appliance Co., Ltd Service life reminding system for water bottle filter element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
US3029836A (en) * 1959-04-20 1962-04-17 Purolator Products Inc Mechanical signal device
US3420266A (en) * 1963-09-20 1969-01-07 Aero Flow Dynamics Inc Combination magnetic bypass valve and indicator
US3626474A (en) * 1969-11-13 1971-12-07 Purolator Inc Pressure indicator and bypass pressure relief valve
US3633612A (en) * 1970-02-13 1972-01-11 Pall Corp Flow indicator and valve
US4172971A (en) * 1978-10-30 1979-10-30 Pall Corporation Magnetic pressure indicator with thermal lockout

Also Published As

Publication number Publication date
EP0071877A2 (en) 1983-02-16
JPS5828081A (ja) 1983-02-18
EP0071877A3 (en) 1985-05-02
NO822657L (no) 1983-02-07
CA1192113A (en) 1985-08-20
US4498495A (en) 1985-02-12
DE3276298D1 (en) 1987-06-19
EP0071877B1 (en) 1987-05-13
JPH0337668B2 (xx) 1991-06-06
AU8667482A (en) 1983-03-03

Similar Documents

Publication Publication Date Title
DE3276298D1 (en) Magnetic differential pressure valve with an indicator showing when valve has opened or closed
JPS55145851A (en) Automatic acting magnetic fluid seal
AU552854B2 (en) Apr tester valve
AU535555B2 (en) Bypass valve and alarm assembly
JPS5310132A (en) Pressure equalising valves and its improvement
JPS5628634A (en) Fluid cross flow contactor magnetically stabilized and its use
AU528968B2 (en) Butterfly valve
JPS56143871A (en) Valve inserting member and valve with the inserting member
AU7874581A (en) Butterfly valve seal
GB2071281B (en) Butterfly valve
DE3169278D1 (en) Butterfly valve
JPS57146975A (en) Bypass valve and alarm assembly
DE3372300D1 (en) Fluid coupling with hysteresis reducing valve
AU538593B2 (en) Subsurface safety valve with lock open mechanism
AU549992B2 (en) Fluid valve
JPS57137771A (en) Butterfly stop valve
DE3266491D1 (en) Proportional solenoid valve
JPS57160039A (en) Differential pressure indicator
GB2052687B (en) Valve for opening and closing a fluid conduit
AU533262B2 (en) Valve with rotor closure member
JPS5560775A (en) Flow control valve assembly for compensating closed pressure in normal state
YU140480A (en) Closing valve
JPS54111131A (en) Opening and closing valve
NZ186122A (en) Automatic close-off valve flexible conduit opened and closed by internal and external pressure differences
GB2044890B (en) Differential pressure valve