US3859484A - Cyclic pressure switch with plural diaphrams - Google Patents

Cyclic pressure switch with plural diaphrams Download PDF

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Publication number
US3859484A
US3859484A US395520A US39552073A US3859484A US 3859484 A US3859484 A US 3859484A US 395520 A US395520 A US 395520A US 39552073 A US39552073 A US 39552073A US 3859484 A US3859484 A US 3859484A
Authority
US
United States
Prior art keywords
fluid
diaphragm
chamber
pressure
movement
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 - Lifetime
Application number
US395520A
Other languages
English (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
Priority to US395520A priority Critical patent/US3859484A/en
Priority to ZA00745275A priority patent/ZA745275B/xx
Priority to AU73057/74A priority patent/AU485655B2/en
Priority to BE148336A priority patent/BE819691A/fr
Priority to CH1222174A priority patent/CH594238A5/xx
Priority to CA208,714A priority patent/CA1020053A/fr
Priority to FR7430491A priority patent/FR2243429B3/fr
Priority to DE2443236A priority patent/DE2443236A1/de
Priority to GB3947674A priority patent/GB1459607A/en
Application granted granted Critical
Publication of US3859484A publication Critical patent/US3859484A/en
Priority to JP50046304A priority patent/JPS51124462A/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
US395520A 1973-09-10 1973-09-10 Cyclic pressure switch with plural diaphrams Expired - Lifetime US3859484A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US395520A US3859484A (en) 1973-09-10 1973-09-10 Cyclic pressure switch with plural diaphrams
ZA00745275A ZA745275B (en) 1973-09-10 1974-08-16 Cyclic pressure responsive means with plural diaphragms
AU73057/74A AU485655B2 (en) 1974-09-06 Cyclic pressure responsive means with plural diaphragms
CH1222174A CH594238A5 (fr) 1973-09-10 1974-09-09
BE148336A BE819691A (fr) 1973-09-10 1974-09-09 Dispositif de detection d'ondes de pression
CA208,714A CA1020053A (fr) 1973-09-10 1974-09-09 Ensemble sensible a des pressions de grandeurs rapidement variables
FR7430491A FR2243429B3 (fr) 1973-09-10 1974-09-09
DE2443236A DE2443236A1 (de) 1973-09-10 1974-09-10 Messfuehler fuer wiederkehrende druckschwankungen
GB3947674A GB1459607A (en) 1973-09-10 1974-09-10 Undulating pressure responsive devices
JP50046304A JPS51124462A (en) 1973-09-10 1975-04-16 Wave motion fluid pressuer responder

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
US3859484A true US3859484A (en) 1975-01-07

Family

ID=23563393

Family Applications (1)

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

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 (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
US4140436A (en) * 1977-08-19 1979-02-20 Virginia Chemicals Inc. Pressure control device for fluid systems
US4206762A (en) * 1976-06-21 1980-06-10 Cosman Eric R Telemetric differential pressure sensing method
US4206761A (en) * 1976-06-21 1980-06-10 Cosman Eric R Pressure-balanced telemetric 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
US20050063829A1 (en) * 2003-09-19 2005-03-24 Ingersoll-Rand Company Compressor assembly
KR101651589B1 (ko) * 2016-06-28 2016-08-26 김민수 공기의 차압을 이용한 비오브이밸브
EP3415878A1 (fr) * 2017-06-12 2018-12-19 United Technologies Corporation Guide de capteur de niveau d'huile

Families Citing this family (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
PL72062Y1 (pl) * 2017-12-15 2021-07-12 Marek Bronowski Czujnik podciśnienia na bazie ssawki (przyssawki)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127586A (en) * 1962-06-01 1964-03-31 Chrysler Corp Lubrication warning signal
US3134332A (en) * 1962-03-19 1964-05-26 Robert E Nelson Pump and liquid level regulator
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.

Patent Citations (5)

* 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

Cited By (17)

* 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
US4206761A (en) * 1976-06-21 1980-06-10 Cosman Eric R Pressure-balanced telemetric 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
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
US20050063829A1 (en) * 2003-09-19 2005-03-24 Ingersoll-Rand Company Compressor assembly
KR101651589B1 (ko) * 2016-06-28 2016-08-26 김민수 공기의 차압을 이용한 비오브이밸브
WO2018004209A1 (fr) * 2016-06-28 2018-01-04 김민수 Soupape bov utilisant la pression différentielle de l'air
CN107801409A (zh) * 2016-06-28 2018-03-13 金民秀 利用空气的压差的放散阀
CN107801409B (zh) * 2016-06-28 2019-08-23 金民秀 利用空气的压差的放散阀
US10760581B2 (en) 2016-06-28 2020-09-01 Minsoo Kim Blowoff valve using differential pressure of air
EP3415878A1 (fr) * 2017-06-12 2018-12-19 United Technologies Corporation Guide de capteur de niveau d'huile
US10768037B2 (en) 2017-06-12 2020-09-08 Raytheon Technologies Corporation Oil level sensor guide
US11346701B2 (en) 2017-06-12 2022-05-31 Raytheon Technologies Corporation Oil level sensor guide

Also Published As

Publication number Publication date
BE819691A (fr) 1974-12-31
AU7305774A (en) 1976-03-11
DE2443236A1 (de) 1975-03-20
CA1020053A (fr) 1977-11-01
FR2243429B3 (fr) 1977-06-17
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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