DE2640529C3 - Differenzdruckanzeigevorrichtung - Google Patents

Differenzdruckanzeigevorrichtung

Info

Publication number
DE2640529C3
DE2640529C3 DE2640529A DE2640529A DE2640529C3 DE 2640529 C3 DE2640529 C3 DE 2640529C3 DE 2640529 A DE2640529 A DE 2640529A DE 2640529 A DE2640529 A DE 2640529A DE 2640529 C3 DE2640529 C3 DE 2640529C3
Authority
DE
Germany
Prior art keywords
reed switch
control magnet
component
guide housing
displacement
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
Application number
DE2640529A
Other languages
German (de)
English (en)
Other versions
DE2640529B2 (de
DE2640529A1 (de
Inventor
Fritz 7972 Isny Hetzer
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.)
Purolator Filter GmbH
Original Assignee
Purolator Filter GmbH
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 Purolator Filter GmbH filed Critical Purolator Filter GmbH
Priority to DE2640529A priority Critical patent/DE2640529C3/de
Priority to US05/828,169 priority patent/US4130745A/en
Priority to GB36531/77A priority patent/GB1543120A/en
Priority to FR7727166A priority patent/FR2364514A1/fr
Publication of DE2640529A1 publication Critical patent/DE2640529A1/de
Publication of DE2640529B2 publication Critical patent/DE2640529B2/de
Application granted granted Critical
Publication of DE2640529C3 publication Critical patent/DE2640529C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
DE2640529A 1976-09-09 1976-09-09 Differenzdruckanzeigevorrichtung Expired DE2640529C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2640529A DE2640529C3 (de) 1976-09-09 1976-09-09 Differenzdruckanzeigevorrichtung
US05/828,169 US4130745A (en) 1976-09-09 1977-08-23 Differential pressure threshold detector
GB36531/77A GB1543120A (en) 1976-09-09 1977-09-01 Differential pressure threshold detector
FR7727166A FR2364514A1 (fr) 1976-09-09 1977-09-08 Dispositif d'affichage a pression differentielle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2640529A DE2640529C3 (de) 1976-09-09 1976-09-09 Differenzdruckanzeigevorrichtung

Publications (3)

Publication Number Publication Date
DE2640529A1 DE2640529A1 (de) 1978-03-16
DE2640529B2 DE2640529B2 (de) 1978-06-22
DE2640529C3 true DE2640529C3 (de) 1979-03-15

Family

ID=5987496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2640529A Expired DE2640529C3 (de) 1976-09-09 1976-09-09 Differenzdruckanzeigevorrichtung

Country Status (4)

Country Link
US (1) US4130745A (enExample)
DE (1) DE2640529C3 (enExample)
FR (1) FR2364514A1 (enExample)
GB (1) GB1543120A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235185A (en) * 1979-07-18 1980-11-25 General Motors Corporation Low tire pressure sensor and air switch therefor
US4331945A (en) * 1980-09-23 1982-05-25 Cattani Ii Cyrus J Magnetically actuatable tamper switch assembly
US4336518A (en) * 1980-11-17 1982-06-22 Sentrol, Inc. Plunger operated magnetic contact switch assembly
US4424716A (en) 1981-06-15 1984-01-10 Mcdonnell Douglas Corp. Hydraulic flowmeter
EP0225942A1 (en) * 1985-12-03 1987-06-24 Charles David Johnson Valve
US4570670A (en) * 1984-05-21 1986-02-18 Johnson Charles D Valve
US4645887A (en) * 1985-12-02 1987-02-24 Facet Enterprises, Inc. Pressure differential bypass sensor switch
DE3700593A1 (de) * 1986-01-13 1987-07-16 Sharp Kk Rotations-entwicklungsvorrichtung
US4793188A (en) * 1986-01-14 1988-12-27 Texas Instruments Incorporated Lubrication sensor apparatus
EP0231074B1 (en) * 1986-01-14 1992-11-19 Texas Instruments Incorporated Lubrication pressure sensor apparatus
US4763114A (en) * 1987-07-09 1988-08-09 Eidsmore Paul G Fluid flow indicator
JP2668571B2 (ja) * 1987-10-22 1997-10-27 ローズマウント インコ． 磁気的ゼロ／スパンアクチュエータ付送信装置
US5278543A (en) * 1987-10-22 1994-01-11 Rosemount Inc. Transmitter with magnetic zero/span actuator
US5057807A (en) * 1990-03-19 1991-10-15 Veetronix, Inc. Keyboard switch
GB2255445B (en) * 1991-05-01 1994-11-30 Pall Corp Pressure devices
DE4225026C2 (de) * 1992-05-16 1995-06-01 Siebert & Kuehn Dr Strömungskontrollschalter
DE4333098A1 (de) * 1993-09-29 1995-01-19 Bosch Gmbh Robert Druckschalter für Hydroeinheiten
US5781116A (en) * 1996-12-31 1998-07-14 Graves Spray Supply, Inc. Catalyst flow alarm
DE19818841A1 (de) * 1998-04-28 1999-11-11 Bosch Gmbh Robert Druckschalter
US6084187A (en) * 1998-09-29 2000-07-04 Caterpillar Inc. Filter bypass switch
RU2169913C1 (ru) * 2000-02-08 2001-06-27 Закрытое акционерное общество Промышленная группа "Метран" Реле давления
DE102016009027A1 (de) * 2016-07-23 2018-01-25 Saurer Germany Gmbh & Co. Kg Wandler zur Umwandlung eines fluidischen in ein elektrisches Signal, Textilmaschine mit diesem Wandler und Verfahren zur Umwandlung eines fluidischen in ein elektrisches Signal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH474835A (de) * 1966-03-04 1969-06-30 Saia Ag Fabrik Elek Scher App Schaltvorrichtung mit einem druckempfindlichen Organ
US4039985A (en) * 1975-09-08 1977-08-02 Shlesinger Jr B Edward Magnetic reed switch

Also Published As

Publication number Publication date
GB1543120A (en) 1979-03-28
US4130745A (en) 1978-12-19
FR2364514B1 (enExample) 1983-10-21
FR2364514A1 (fr) 1978-04-07
DE2640529B2 (de) 1978-06-22
DE2640529A1 (de) 1978-03-16

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
EI Miscellaneous see part 3
8320 Willingness to grant licences declared (paragraph 23)