DE2443236A1 - Messfuehler fuer wiederkehrende druckschwankungen - Google Patents

Messfuehler fuer wiederkehrende druckschwankungen

Info

Publication number
DE2443236A1
DE2443236A1 DE2443236A DE2443236A DE2443236A1 DE 2443236 A1 DE2443236 A1 DE 2443236A1 DE 2443236 A DE2443236 A DE 2443236A DE 2443236 A DE2443236 A DE 2443236A DE 2443236 A1 DE2443236 A1 DE 2443236A1
Authority
DE
Germany
Prior art keywords
space
membrane
pressure
sensor according
pulses
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.)
Withdrawn
Application number
DE2443236A
Other languages
German (de)
English (en)
Inventor
Robert Edmund Nelson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2443236A1 publication Critical patent/DE2443236A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/242—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow operated by one particular pressure-time function
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/164—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element
DE2443236A 1973-09-10 1974-09-10 Messfuehler fuer wiederkehrende druckschwankungen Withdrawn DE2443236A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US395520A US3859484A (en) 1973-09-10 1973-09-10 Cyclic pressure switch with plural diaphrams

Publications (1)

Publication Number Publication Date
DE2443236A1 true DE2443236A1 (de) 1975-03-20

Family

ID=23563393

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2443236A Withdrawn DE2443236A1 (de) 1973-09-10 1974-09-10 Messfuehler fuer wiederkehrende druckschwankungen

Country Status (9)

Country Link
US (1) US3859484A (fr)
JP (1) JPS51124462A (fr)
BE (1) BE819691A (fr)
CA (1) CA1020053A (fr)
CH (1) CH594238A5 (fr)
DE (1) DE2443236A1 (fr)
FR (1) FR2243429B3 (fr)
GB (1) GB1459607A (fr)
ZA (1) ZA745275B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023611A1 (de) * 1990-07-25 1992-02-06 Centra Buerkle Gmbh & Co Fuellstandssensor
DE112017002929B4 (de) 2016-06-28 2022-02-24 Minsoo Kim Einen Luftdifferentialdruck verwendendes Überdruckventil

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946176A (en) * 1974-12-04 1976-03-23 Dresser Industries, Inc. Differential pressure switch
US4081636A (en) * 1976-03-03 1978-03-28 Johnson Controls, Inc. Differential pressure cutout switch
US4206762A (en) * 1976-06-21 1980-06-10 Cosman Eric R Telemetric differential pressure sensing method
US4281667A (en) * 1976-06-21 1981-08-04 Cosman Eric R Single diaphragm telemetric differential pressure sensing system
US4281666A (en) * 1976-06-21 1981-08-04 Cosman Eric R Single diaphragm pressure-balanced telemetric pressure sensing system
US4206761A (en) * 1976-06-21 1980-06-10 Cosman Eric R Pressure-balanced telemetric pressure sensing method
US4140436A (en) * 1977-08-19 1979-02-20 Virginia Chemicals Inc. Pressure control device for fluid systems
US7191792B2 (en) * 2003-09-19 2007-03-20 Ingersoll-Rand Company Compressor assembly
US10768037B2 (en) 2017-06-12 2020-09-08 Raytheon Technologies Corporation Oil level sensor guide
PL72062Y1 (pl) * 2017-12-15 2021-07-12 Marek Bronowski Czujnik podciśnienia na bazie ssawki (przyssawki)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134332A (en) * 1962-03-19 1964-05-26 Robert E Nelson Pump and liquid level regulator
US3127586A (en) * 1962-06-01 1964-03-31 Chrysler Corp Lubrication warning signal
US3246094A (en) * 1963-12-13 1966-04-12 Holley Carburetor Co Delayed return pressure actuated device
US3535479A (en) * 1968-06-07 1970-10-20 Koehler Dayton Time delay pressure switch
US3784772A (en) * 1971-10-07 1974-01-08 J Nelson Fluid pressure actuated switch with prestressed diaphragm
JPS556178A (en) * 1978-06-29 1980-01-17 Mitsubishi Heavy Ind Ltd Air conditioner
DE3587669T2 (de) * 1984-05-18 1994-03-31 New England Medical Center Inc Menschliche IL-1-cDNS-Sequenzen die für biologisch aktive menschliche IL-1-Proteine kodieren.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023611A1 (de) * 1990-07-25 1992-02-06 Centra Buerkle Gmbh & Co Fuellstandssensor
DE112017002929B4 (de) 2016-06-28 2022-02-24 Minsoo Kim Einen Luftdifferentialdruck verwendendes Überdruckventil

Also Published As

Publication number Publication date
BE819691A (fr) 1974-12-31
AU7305774A (en) 1976-03-11
CA1020053A (fr) 1977-11-01
FR2243429B3 (fr) 1977-06-17
US3859484A (en) 1975-01-07
CH594238A5 (fr) 1977-12-30
FR2243429A1 (fr) 1975-04-04
ZA745275B (en) 1975-08-27
GB1459607A (en) 1976-12-22
JPS51124462A (en) 1976-10-29

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination