DE69024637D1 - Verstopfungsindikator - Google Patents

Verstopfungsindikator

Info

Publication number
DE69024637D1
DE69024637D1 DE69024637T DE69024637T DE69024637D1 DE 69024637 D1 DE69024637 D1 DE 69024637D1 DE 69024637 T DE69024637 T DE 69024637T DE 69024637 T DE69024637 T DE 69024637T DE 69024637 D1 DE69024637 D1 DE 69024637D1
Authority
DE
Germany
Prior art keywords
pct
piston
chamber
magnet
lower housing
Prior art date
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 - Fee Related
Application number
DE69024637T
Other languages
English (en)
Other versions
DE69024637T2 (de
Inventor
Jean-Michel Traonvoez
Philippe Pottier
Dominique Tertre
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.)
SOFRALUB S.A., CARRIERES, FR
Original Assignee
Lebozec & Gautier
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
Priority claimed from FR8914301A external-priority patent/FR2653882B1/fr
Priority claimed from FR9002595A external-priority patent/FR2659141B1/fr
Application filed by Lebozec & Gautier filed Critical Lebozec & Gautier
Application granted granted Critical
Publication of DE69024637D1 publication Critical patent/DE69024637D1/de
Publication of DE69024637T2 publication Critical patent/DE69024637T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/42—Oil filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Fluid Pressure (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE69024637T 1989-10-31 1990-10-31 Verstopfungsindikator Expired - Fee Related DE69024637T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8914301A FR2653882B1 (fr) 1989-10-31 1989-10-31 Indicateur de colmatage.
FR9002595A FR2659141B1 (fr) 1990-03-01 1990-03-01 Indicateur de colmatage.
PCT/FR1990/000790 WO1991006357A1 (fr) 1989-10-31 1990-10-31 Indicateur de colmatage

Publications (2)

Publication Number Publication Date
DE69024637D1 true DE69024637D1 (de) 1996-02-15
DE69024637T2 DE69024637T2 (de) 1997-07-31

Family

ID=26227636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024637T Expired - Fee Related DE69024637T2 (de) 1989-10-31 1990-10-31 Verstopfungsindikator

Country Status (5)

Country Link
US (1) US5188728A (de)
EP (1) EP0456781B1 (de)
AT (1) ATE132388T1 (de)
DE (1) DE69024637T2 (de)
WO (1) WO1991006357A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130759A1 (de) * 1991-09-16 1993-03-18 Flottweg Gmbh Zentrifuge zur kontinuierlichen trennung von stoffen unterschiedlicher dichte
US5437241A (en) * 1994-06-08 1995-08-01 Pall Corporation Differential pressure indicator
GB2299859B (en) * 1995-04-10 1999-07-28 Otter Controls Ltd Thermally responsive steam sensor device
AU709849B2 (en) * 1995-08-04 1999-09-09 Donaldson Company Inc. Restriction indicator for air cleaners
DE19740990C2 (de) * 1997-09-18 2001-11-29 Enidine Gmbh Kolben-Zylinder-Anordnung
US6151897A (en) * 1999-04-06 2000-11-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Shape memory alloy actuator
US7886610B2 (en) * 1999-07-19 2011-02-15 Donaldson Company, Inc. Differential pressure gauge for filter
US6604486B1 (en) 1999-08-16 2003-08-12 Donaldson Company, Inc. Restriction indicator
US7628116B2 (en) * 2004-03-12 2009-12-08 Gm Global Technology Operations, Inc. Shape memory polymer temperature sensing devices and methods of use
ITRE20040032A1 (it) * 2004-04-09 2004-07-09 Ufi Filters Spa Dispositivo per la segnalazione dell'intasamento del filtro carburante di motori endotermici, in particolare motore diesel
US9097593B2 (en) * 2012-09-13 2015-08-04 GM Global Technology Operations LLC Spring-bodied device for in-situ overheat alert for equipment
ITBG20130011A1 (it) * 2013-04-24 2014-10-25 Md Electronsystem Srl Sensore di densita' di un fluido
CN104314721A (zh) * 2013-12-14 2015-01-28 西安天厚滤清技术有限责任公司 带压差发讯器的柴油净化器
DE102014014730B4 (de) * 2014-04-16 2021-05-27 Hydac Filtertechnik Gmbh Verschmutzungsanzeige
US9821256B2 (en) * 2014-05-07 2017-11-21 Dv Industries, Llc Elastically deformable component providing indication of proper fluid filter installation and related methods
US10028820B2 (en) 2015-04-14 2018-07-24 Cook Medical Technologies Llc Carotid artery blood filter plugging alarm
CN107183786B (zh) * 2017-06-30 2023-08-15 云南中烟工业有限责任公司 一种通过电路控制的推油装置
CN114355523B (zh) * 2022-01-18 2022-08-12 耀芯电子(浙江)有限公司 一种使用光纤传输的摄像头信号装置、系统及方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
US3140690A (en) * 1963-12-04 1964-07-14 Pall Corp Magnetic pressure indicator
US2979021A (en) * 1959-01-06 1961-04-11 Purolator Products Inc Filter unit
US3595200A (en) * 1968-06-03 1971-07-27 Carborundum Co Differential pressure indicator
US3748108A (en) * 1970-04-07 1973-07-24 Us Army Thermally activated spring with improved thermal properties
DE2139852A1 (de) * 1971-08-09 1973-02-15 Battelle Institut E V Schaltelement mit temperaturabhaengiger schaltstellung
US4189724A (en) * 1978-02-24 1980-02-19 Donaldson Company, Inc. Electric restriction indicator with a contactless switch device for indicating a restriction in filter elements
US4172971A (en) * 1978-10-30 1979-10-30 Pall Corporation Magnetic pressure indicator with thermal lockout
WO1982002622A1 (en) * 1981-01-19 1982-08-05 Joe E Fuzzell A temperature compensated switch for monitoring a filter bypass valve
US4426952A (en) * 1981-02-09 1984-01-24 Facet Enterprises, Inc. Temperature compensated differential pressure indicating device
AU3423184A (en) * 1984-01-12 1985-07-18 Facet Enterprises Inc. Temperature sensitive differential pressure indicating device
US4745876A (en) * 1984-01-12 1988-05-24 Facet Enterprises, Inc. Differential pressure responsive indicating device
US4574728A (en) * 1984-06-07 1986-03-11 Purolator Technologies Inc. Filter differential pressure impending and bypass indicator
US4729339A (en) * 1986-04-21 1988-03-08 Facet Enterprises, Inc. Pressure differential indicator with non-mechanical thermal lockout
US4792651A (en) * 1987-11-23 1988-12-20 Facet Enterprises, Incorporated Pressure differential bypass sensor switch with magnetic thermal lockout
US4867095A (en) * 1988-04-05 1989-09-19 Parker Hannifin Corporation Differential pressure indicator

Also Published As

Publication number Publication date
DE69024637T2 (de) 1997-07-31
WO1991006357A1 (fr) 1991-05-16
ATE132388T1 (de) 1996-01-15
EP0456781B1 (de) 1996-01-03
EP0456781A1 (de) 1991-11-21
US5188728A (en) 1993-02-23

Similar Documents

Publication Publication Date Title
DE69024637T2 (de) Verstopfungsindikator
ES421271A1 (es) Dispositivo medidor de flujo de fluido.
GB1223803A (en) Differential pressure indicator
GB1479946A (en) Device for detecting the choked condition of an air filte
US3366758A (en) Differential pressure signal device
GB1075930A (en) Filter device
SE7712318L (sv) Fluidumtryckskillnadsindikerande apparat
US3413951A (en) Differential pressure indicator
GB1217677A (en) A pressure indicating device
ZA82816B (en) Flow transducer
ES2070392T3 (es) Dispositivo de extraccion para medios.
GB1217725A (en) A magnetic indicating device
SU507120A1 (ru) Указатель потока среды
SE9702337L (sv) Membran-reglerad differentialtryckventil
SE8403139D0 (sv) Genomstromningsmetare for flodesmengdmetning
GB1285651A (en) Improvements in lubricating mechanism
FR2422937A1 (fr) Detecteur d'ecoulement
GB1231225A (de)
GB1168421A (en) Device for Metering Granular Material into a Pressurized Fluid Stream
SU1700393A1 (ru) Сигнализатор температуры
SU723375A1 (ru) Устройство дл измерени расхода сыпучих материалов
SU679763A1 (ru) Электромагнитный клапан
CS224375B1 (cs) Zařízení pro měření spotřeby paliva u vznětových motorů
ES480450A1 (es) Valvula de control de fluidos accionable electromagneticamente.
ES8101241A1 (es) Un purgador automatico termostatico, de vapor

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SOFRALUB S.A., CARRIERES, FR

8339 Ceased/non-payment of the annual fee