JPS5272266A - Differential pressure gauge - Google Patents

Differential pressure gauge

Info

Publication number
JPS5272266A
JPS5272266A JP51134020A JP13402076A JPS5272266A JP S5272266 A JPS5272266 A JP S5272266A JP 51134020 A JP51134020 A JP 51134020A JP 13402076 A JP13402076 A JP 13402076A JP S5272266 A JPS5272266 A JP S5272266A
Authority
JP
Japan
Prior art keywords
differential pressure
pressure gauge
gauge
differential
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.)
Granted
Application number
JP51134020A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5725147B2 (en:Method
Inventor
Daburiyu Fuiritsupusu Jieemuzu
Jiee Toroiaa Terensu
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.)
Dwyer Instruments LLC
Original Assignee
Dwyer Instruments LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27093444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5272266(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US05/639,969 external-priority patent/US4011759A/en
Application filed by Dwyer Instruments LLC filed Critical Dwyer Instruments LLC
Publication of JPS5272266A publication Critical patent/JPS5272266A/ja
Publication of JPS5725147B2 publication Critical patent/JPS5725147B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
    • G01L7/084—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type with mechanical transmitting or indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
JP51134020A 1975-12-11 1976-11-08 Differential pressure gauge Granted JPS5272266A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/639,969 US4011759A (en) 1975-12-11 1975-12-11 Differential pressure gauge
US05/700,131 US4030365A (en) 1975-12-11 1976-06-28 Differential pressure gauge

Publications (2)

Publication Number Publication Date
JPS5272266A true JPS5272266A (en) 1977-06-16
JPS5725147B2 JPS5725147B2 (en:Method) 1982-05-27

Family

ID=27093444

Family Applications (2)

Application Number Title Priority Date Filing Date
JP51134020A Granted JPS5272266A (en) 1975-12-11 1976-11-08 Differential pressure gauge
JP53070428A Expired JPS5923370B2 (ja) 1975-12-11 1978-06-13 差圧計

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP53070428A Expired JPS5923370B2 (ja) 1975-12-11 1978-06-13 差圧計

Country Status (5)

Country Link
US (1) US4030365A (en:Method)
JP (2) JPS5272266A (en:Method)
CA (1) CA1063824A (en:Method)
DE (2) DE2660963C2 (en:Method)
GB (1) GB1547159A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156530A (en) * 1981-02-09 1982-09-27 Dwyer Instr Differential pressure memter

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242914A (en) * 1979-06-18 1981-01-06 Chrysler Corporation Pressure transducer
US4347744A (en) * 1980-09-08 1982-09-07 Dwyer Instruments, Inc. Diaphragm type differential pressure gauge with overpressure relief protection
US4841782A (en) * 1987-09-11 1989-06-27 Dwyer Instruments, Inc. Target fluid flow indicator gauge
US4890497A (en) * 1988-08-25 1990-01-02 Dwyer Instruments, Inc. Differential pressure gauge transmitter
DE3929344A1 (de) * 1989-01-19 1990-07-26 Holzer Walter Fuellstandsanzeige
US4938076A (en) * 1989-07-17 1990-07-03 Dwyer Instruments, Inc. Target fluid flow indicator gauge
US5012678A (en) * 1990-08-15 1991-05-07 Dwyer Struments, Inc. Overpressure relief safety plug for pressure gauges
JPH05199620A (ja) * 1992-01-14 1993-08-06 Toyota Autom Loom Works Ltd トーイングトラクタの速度規制装置
DE59803456D1 (de) * 1998-12-22 2002-04-25 Wika Alexander Wiegand Gmbh Differenzdruckmessgerät
USD488735S1 (en) 2003-03-04 2004-04-20 Dwyer Instruments, Inc. Combination pressure switch and gage
CA2513849A1 (en) 2004-07-29 2006-01-29 Dwyer Instruments, Inc. Gauge having a magnetically driven pointer rotation device
USD514007S1 (en) 2004-07-29 2006-01-31 Dwyer Instruments, Inc. Pressure gauge
US7441439B2 (en) * 2005-02-07 2008-10-28 Richard Dean Mc Farland Portable pressure switch calibration and diagnostic tool
US7752993B2 (en) 2007-05-25 2010-07-13 Gordon Joseph B Method and apparatus for a gauge for indicating a pressure of a fluid
CN102341684B (zh) 2009-03-06 2014-11-26 德怀尔仪器公司 具有磁性结合膜片的压力计
JP5302164B2 (ja) * 2009-11-04 2013-10-02 長野計器株式会社 微差圧計
US8146435B1 (en) * 2010-10-17 2012-04-03 Sailsors Instruments Ltd., Beijing Differential pressure gauge
WO2013126343A2 (en) 2012-02-22 2013-08-29 King Nutronics Corporation Multi-fluid precision calibration pressure source
US9640344B2 (en) 2014-02-07 2017-05-02 Good Day Tools Llc Portable pressure switch calibration and diagnostic tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373614A (en) * 1965-10-23 1968-03-19 Yarway Corp Differential pressure gauge
US3397319A (en) * 1966-03-31 1968-08-13 Dwyer Mfg Co F W Differential pressure indicator and switch
US3645140A (en) * 1970-06-15 1972-02-29 Dwyer Instr Pressure gauge
US3862416A (en) * 1974-03-22 1975-01-21 Dwyer Instr Pressure indicator and switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156530A (en) * 1981-02-09 1982-09-27 Dwyer Instr Differential pressure memter

Also Published As

Publication number Publication date
GB1547159A (en) 1979-06-06
JPS5448585A (en) 1979-04-17
DE2656049A1 (de) 1977-06-23
JPS5725147B2 (en:Method) 1982-05-27
DE2660963C2 (en:Method) 1988-05-11
CA1063824A (en) 1979-10-09
DE2656049C2 (de) 1987-05-07
US4030365A (en) 1977-06-21
JPS5923370B2 (ja) 1984-06-01

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