GB1573752A - Pressureresponsive electric switchingn device - Google Patents

Pressureresponsive electric switchingn device Download PDF

Info

Publication number
GB1573752A
GB1573752A GB350177A GB350177A GB1573752A GB 1573752 A GB1573752 A GB 1573752A GB 350177 A GB350177 A GB 350177A GB 350177 A GB350177 A GB 350177A GB 1573752 A GB1573752 A GB 1573752A
Authority
GB
United Kingdom
Prior art keywords
piston
pressure
vacuum
switch
vacuum pump
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
GB350177A
Other languages
English (en)
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.)
Ebosa SA
Original Assignee
Ebosa SA
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 Ebosa SA filed Critical Ebosa SA
Publication of GB1573752A publication Critical patent/GB1573752A/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
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/16—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 pistons
    • G01L7/163—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 pistons construction or mounting of pistons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • 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
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Measuring Fluid Pressure (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Jet Pumps And Other Pumps (AREA)
GB350177A 1976-10-14 1977-01-28 Pressureresponsive electric switchingn device Expired GB1573752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1301276A CH600539A5 (enExample) 1976-10-14 1976-10-14

Publications (1)

Publication Number Publication Date
GB1573752A true GB1573752A (en) 1980-08-28

Family

ID=4388485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB350177A Expired GB1573752A (en) 1976-10-14 1977-01-28 Pressureresponsive electric switchingn device

Country Status (5)

Country Link
CH (1) CH600539A5 (enExample)
DE (1) DE2656107A1 (enExample)
FR (1) FR2368027A1 (enExample)
GB (1) GB1573752A (enExample)
IT (1) IT1082213B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234350A (en) * 1989-07-19 1991-01-30 Heidelberger Druckmasch Ag Stack height determination device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178931A (en) * 1961-04-13 1965-04-20 Moore Products Co Pneumatic measuring apparatus
FR1351744A (fr) * 1963-03-01 1964-02-07 Werdau Massindustrie Veb Procédé de réglage de pression, en particulier pour basse pression de gaz
US3443417A (en) * 1966-09-15 1969-05-13 Taft Peirce Mfg Co The Fluid gage apparatus of the rotameter type
US3632923A (en) * 1969-09-24 1972-01-04 Nasa Flow-rate switch
CH525469A (fr) * 1970-06-19 1972-07-15 Marchand & Cie S A R Dispositif de mesure pneumatique
US3822584A (en) * 1972-11-09 1974-07-09 Freeland Gauge Co Air flow gaging device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234350A (en) * 1989-07-19 1991-01-30 Heidelberger Druckmasch Ag Stack height determination device
GB2234350B (en) * 1989-07-19 1993-04-14 Heidelberger Druckmasch Ag Stack height determination device

Also Published As

Publication number Publication date
FR2368027A1 (fr) 1978-05-12
CH600539A5 (enExample) 1978-06-15
FR2368027B1 (enExample) 1982-05-14
DE2656107A1 (de) 1978-04-20
IT1082213B (it) 1985-05-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee