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GB819538A - Improvements relating to the measurement of differential pressures - Google Patents

Improvements relating to the measurement of differential pressures

Info

Publication number
GB819538A
GB819538A GB3339356A GB3339356A GB819538A GB 819538 A GB819538 A GB 819538A GB 3339356 A GB3339356 A GB 3339356A GB 3339356 A GB3339356 A GB 3339356A GB 819538 A GB819538 A GB 819538A
Authority
GB
United Kingdom
Prior art keywords
lever
pressure
bellows
measurement
fluid
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
GB3339356A
Inventor
Bernard James Hulley
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.)
SUNVIC CONTROLS Ltd
Original Assignee
SUNVIC CONTROLS Ltd
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 SUNVIC CONTROLS Ltd filed Critical SUNVIC CONTROLS Ltd
Priority to GB3339356A priority Critical patent/GB819538A/en
Publication of GB819538A publication Critical patent/GB819538A/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
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Fluid Pressure (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

819,538. Fluid-pressure servomotor control systems. SUNUIC CONTROLS Ltd. Oct. 16, 1957 [Nov. 1, 1956], No. 33393/56. Class 135. [Also in Group XIX] A lever 4, coupled to the diaphragm of a differential pressure gauge, Group XIX, is acted on by a fluid pressure servomotor system to maintain its position substantially constant. Air is fed under pressure to both a nozzle 14 close to the lever 4, and to a bellows 16 acting on a second lever 17, which thus applies an opposing force F to the lever 4 at Q. When steady, the pressure P 3 in the bellows 16 is proportional to the pressure difference being measured, and is transmitted by line 18 as an output signal. The position of Q may be made variable along the lever 4 and a dash-pot 19 may damp oscillation of the lever 4.
GB3339356A 1956-11-01 1956-11-01 Improvements relating to the measurement of differential pressures Expired GB819538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3339356A GB819538A (en) 1956-11-01 1956-11-01 Improvements relating to the measurement of differential pressures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3339356A GB819538A (en) 1956-11-01 1956-11-01 Improvements relating to the measurement of differential pressures

Publications (1)

Publication Number Publication Date
GB819538A true GB819538A (en) 1959-09-02

Family

ID=10352348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3339356A Expired GB819538A (en) 1956-11-01 1956-11-01 Improvements relating to the measurement of differential pressures

Country Status (1)

Country Link
GB (1) GB819538A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085437A (en) * 1960-05-24 1963-04-16 Gpe Controls Inc Differential pressure transducer
US3533293A (en) * 1968-08-28 1970-10-13 Sparton Corp Differential pressure transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085437A (en) * 1960-05-24 1963-04-16 Gpe Controls Inc Differential pressure transducer
US3533293A (en) * 1968-08-28 1970-10-13 Sparton Corp Differential pressure transducer

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