CA974848A - Diaphragm pressure sensor - Google Patents

Diaphragm pressure sensor

Info

Publication number
CA974848A
CA974848A CA162,411A CA162411A CA974848A CA 974848 A CA974848 A CA 974848A CA 162411 A CA162411 A CA 162411A CA 974848 A CA974848 A CA 974848A
Authority
CA
Canada
Prior art keywords
pressure sensor
diaphragm pressure
diaphragm
sensor
pressure
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
CA162,411A
Other languages
English (en)
Other versions
CA162411S (en
Inventor
George J. Janu
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.)
Johnson Service Co
Original Assignee
Johnson Service Co
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 Johnson Service Co filed Critical Johnson Service Co
Application granted granted Critical
Publication of CA974848A publication Critical patent/CA974848A/en
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
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/006—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces hydraulic or pneumatic counterbalancing forces
    • 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
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0618—Overload protection
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Fluid Pressure (AREA)
CA162,411A 1972-08-30 1973-01-30 Diaphragm pressure sensor Expired CA974848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28472572A 1972-08-30 1972-08-30

Publications (1)

Publication Number Publication Date
CA974848A true CA974848A (en) 1975-09-23

Family

ID=23091288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,411A Expired CA974848A (en) 1972-08-30 1973-01-30 Diaphragm pressure sensor

Country Status (9)

Country Link
US (1) US3791397A (un)
JP (1) JPS5525629B2 (un)
BR (1) BR7306675D0 (un)
CA (1) CA974848A (un)
DE (1) DE2310720A1 (un)
FR (1) FR2198134B1 (un)
GB (1) GB1408991A (un)
IT (1) IT977447B (un)
ZA (1) ZA73665B (un)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327575B1 (un) * 1970-10-22 1978-08-09
JPS529936A (en) * 1975-07-14 1977-01-25 Eidai Co Ltd Method of building additional one floor to ground floor
JPS5314929A (en) * 1976-07-26 1978-02-10 Katsushige Sasaki Extension and reconstruction method leaving existing house as intact
US4315520A (en) * 1980-07-22 1982-02-16 Airtrol Components, Inc. Fluid leakport orifice structure
US4412553A (en) * 1981-06-25 1983-11-01 Baxter Travenol Laboratories, Inc. Device to control the transmembrane pressure in a plasmapheresis system
US4746436A (en) * 1981-06-25 1988-05-24 Baxter Travenol Laboratories, Inc. Membrane plasmapheresis apparatus and process which utilize a flexible wall to variably restrict the flow of plasma filtrate and thereby stabilize transmembrane pressure
US4694989A (en) * 1986-03-10 1987-09-22 Tempmaster Corporation Control installation for variable volume air diffusers
US5282489A (en) * 1992-05-01 1994-02-01 Valtek, Inc. Fluid pressure modulator
US6186763B1 (en) * 1998-12-15 2001-02-13 Pfa Incorporated Threaded actuator for positioning structure subjected to intense loads
US9237608B2 (en) 2009-08-14 2016-01-12 Cem Corporation Pressure stepped microwave assisted digestion
US10001787B2 (en) 2014-06-02 2018-06-19 Aqseptence Group, Inc. Controller for vacuum sewage system
US9702740B2 (en) * 2015-04-17 2017-07-11 Wika Alexander Wiegand Se & Co. Kg Measuring instrument with connecting coupling
US10345367B1 (en) 2018-11-01 2019-07-09 Orto De Mexico, S.A. De C.V. Externally mountable fault indicator assemblies for electrical devices, systems incorporating same, and methods of using same
JP6968121B2 (ja) * 2019-04-26 2021-11-17 株式会社鷺宮製作所 圧力センサ
EP3832281B1 (en) * 2019-12-06 2023-09-27 Eaton Intelligent Power Limited Pressure switch diaphragm sensing element suitable for vacuum applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR887200A (fr) * 1941-01-28 1943-11-05 Martin Moulet & Cie Soc Appareil relais pour la mesure à distance des pressions
US2798129A (en) * 1953-06-29 1957-07-02 Phillips Petroleum Co Pressure balance indicator
US2966170A (en) * 1957-07-02 1960-12-27 Otis Eng Co Temperature compensated metering valve
US3563458A (en) * 1968-12-23 1971-02-16 Honeywell Inc Condition control device
US3698414A (en) * 1968-12-27 1972-10-17 Hitachi Ltd Pressure responsive apparatus
US3734117A (en) * 1970-11-18 1973-05-22 Johnson Service Co Fluid diaphragm modulator
US3662779A (en) * 1971-01-13 1972-05-16 Johnson Service Co Bleed type fluid pressure control apparatus and diaphragm unit therefor

Also Published As

Publication number Publication date
FR2198134A1 (un) 1974-03-29
JPS4946984A (un) 1974-05-07
ZA73665B (en) 1973-10-31
US3791397A (en) 1974-02-12
GB1408991A (en) 1975-10-08
IT977447B (it) 1974-09-10
DE2310720A1 (de) 1974-03-14
FR2198134B1 (un) 1977-04-29
AU5281573A (en) 1974-09-05
JPS5525629B2 (un) 1980-07-07
BR7306675D0 (pt) 1974-07-11

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