GB639281A - Improvements in or relating to pressure measuring apparatus - Google Patents

Improvements in or relating to pressure measuring apparatus

Info

Publication number
GB639281A
GB639281A GB3131647A GB3131647A GB639281A GB 639281 A GB639281 A GB 639281A GB 3131647 A GB3131647 A GB 3131647A GB 3131647 A GB3131647 A GB 3131647A GB 639281 A GB639281 A GB 639281A
Authority
GB
United Kingdom
Prior art keywords
pressure
relating
measuring apparatus
pressure measuring
tube
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
GB3131647A
Inventor
Jack Alfred Viveas Fairbrother
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.)
Minister of Supply In Her Majesty S Government
Original Assignee
Minister of Supply In Her Majesty S Government
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 Minister of Supply In Her Majesty S Government filed Critical Minister of Supply In Her Majesty S Government
Priority to GB3131647A priority Critical patent/GB639281A/en
Publication of GB639281A publication Critical patent/GB639281A/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

Abstract

639,281. Vacuum gauges. MINISTER OF SUPPLY. Nov. 26, 1947, No. 31316. [Class 106 (ii)] A vacuum gauge 3 for a low-pressure system 1 comprises a vacuum pump 4, whose inlet is connected to the system, shunted by a flow resistance or throttle 6, which may be adjustable, and a differential pressure indicator, e.g. an oil-containing U-tube 9 or a bellows. As shown, the system 1 is continuously evacuated and connected by an apertured disc 10 to a diffusion pump 4 such that the pressure difference built up across the resistance 6 can be detected by the U-tube or other indicator which is insensitive to the system pressure.
GB3131647A 1947-11-26 1947-11-26 Improvements in or relating to pressure measuring apparatus Expired GB639281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3131647A GB639281A (en) 1947-11-26 1947-11-26 Improvements in or relating to pressure measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3131647A GB639281A (en) 1947-11-26 1947-11-26 Improvements in or relating to pressure measuring apparatus

Publications (1)

Publication Number Publication Date
GB639281A true GB639281A (en) 1950-06-28

Family

ID=10321305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3131647A Expired GB639281A (en) 1947-11-26 1947-11-26 Improvements in or relating to pressure measuring apparatus

Country Status (1)

Country Link
GB (1) GB639281A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798499A (en) * 2012-08-15 2012-11-28 中国石油天然气股份有限公司 Multi-tube type minimum mixed-phase pressure measuring method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798499A (en) * 2012-08-15 2012-11-28 中国石油天然气股份有限公司 Multi-tube type minimum mixed-phase pressure measuring method and device
CN102798499B (en) * 2012-08-15 2014-11-26 中国石油天然气股份有限公司 Multi-tube type minimum mixed-phase pressure measuring method and device

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