CA1020053A - Ensemble sensible a des pressions de grandeurs rapidement variables - Google Patents

Ensemble sensible a des pressions de grandeurs rapidement variables

Info

Publication number
CA1020053A
CA1020053A CA208,714A CA208714A CA1020053A CA 1020053 A CA1020053 A CA 1020053A CA 208714 A CA208714 A CA 208714A CA 1020053 A CA1020053 A CA 1020053A
Authority
CA
Canada
Prior art keywords
pressure responsive
responsive means
cyclic pressure
plural diaphragms
diaphragms
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
CA208,714A
Other languages
English (en)
Other versions
CA208714S (en
Inventor
Robert E. 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
Application granted granted Critical
Publication of CA1020053A publication Critical patent/CA1020053A/fr
Expired 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
CA208,714A 1973-09-10 1974-09-09 Ensemble sensible a des pressions de grandeurs rapidement variables Expired CA1020053A (fr)

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
CA1020053A true CA1020053A (fr) 1977-11-01

Family

ID=23563393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,714A Expired CA1020053A (fr) 1973-09-10 1974-09-09 Ensemble sensible a des pressions de grandeurs rapidement variables

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)

Families Citing this family (12)

* 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
DE4023611A1 (de) * 1990-07-25 1992-02-06 Centra Buerkle Gmbh & Co Fuellstandssensor
US7191792B2 (en) * 2003-09-19 2007-03-20 Ingersoll-Rand Company Compressor assembly
KR101651589B1 (ko) * 2016-06-28 2016-08-26 김민수 공기의 차압을 이용한 비오브이밸브
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.

Also Published As

Publication number Publication date
BE819691A (fr) 1974-12-31
AU7305774A (en) 1976-03-11
DE2443236A1 (de) 1975-03-20
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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