DE1813585B2 - Druckabfallanzeigevorrichtung - Google Patents

Druckabfallanzeigevorrichtung

Info

Publication number
DE1813585B2
DE1813585B2 DE19681813585 DE1813585A DE1813585B2 DE 1813585 B2 DE1813585 B2 DE 1813585B2 DE 19681813585 DE19681813585 DE 19681813585 DE 1813585 A DE1813585 A DE 1813585A DE 1813585 B2 DE1813585 B2 DE 1813585B2
Authority
DE
Germany
Prior art keywords
space
pressure
monitored
change
switch
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
DE19681813585
Other languages
German (de)
English (en)
Other versions
DE1813585A1 (de
Inventor
Auf Nichtnennung Antrag
Original Assignee
Fa Crouzet, Paris
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 Fa Crouzet, Paris filed Critical Fa Crouzet, Paris
Publication of DE1813585A1 publication Critical patent/DE1813585A1/de
Publication of DE1813585B2 publication Critical patent/DE1813585B2/de
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
    • 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
    • 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
    • G01L7/06—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 bellows type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Centrifugal Separators (AREA)
DE19681813585 1967-12-12 1968-12-10 Druckabfallanzeigevorrichtung Granted DE1813585B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR131985 1967-12-12

Publications (2)

Publication Number Publication Date
DE1813585A1 DE1813585A1 (de) 1969-07-03
DE1813585B2 true DE1813585B2 (de) 1972-12-07

Family

ID=8643127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681813585 Granted DE1813585B2 (de) 1967-12-12 1968-12-10 Druckabfallanzeigevorrichtung

Country Status (4)

Country Link
US (1) US3576412A (show.php)
DE (1) DE1813585B2 (show.php)
FR (1) FR1557077A (show.php)
GB (1) GB1235345A (show.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735376A (en) * 1971-03-05 1973-05-22 Htl Industries Leakage indicator for a fire extinguisher
US3810141A (en) * 1971-12-20 1974-05-07 Bell Telephone Labor Inc Blast-actuated control system
US3782168A (en) * 1972-10-02 1974-01-01 M & J Valve Co Method and apparatus for calibrating and testing pressure responsive apparatus
US3946175A (en) * 1973-12-03 1976-03-23 Htl Industries, Inc. Magnetic pressure indicator for a container
DE3679179D1 (de) * 1986-03-07 1991-06-13 Dexaero Temperaturkompensierter druckregler und sicherheitseinrichtung fuer feuerloescher mit einem solchen druckregler.
BE1007786A3 (fr) * 1993-11-29 1995-10-24 Blagden Ind Plc Procede et dispositif pour la detection de fuites dans les recipients.
US9212966B2 (en) * 2011-08-05 2015-12-15 Solon Manufacturing Company Network manageable advanced gas sensor apparatus and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124960A (en) * 1964-03-17 Clark
CA636674A (en) * 1962-02-20 B. Caldwell Harry Pressure sensing switches
US2357353A (en) * 1941-01-28 1944-09-05 Gen Motors Corp Method and apparatus for testing thermostatic control devices
US2567519A (en) * 1948-02-27 1951-09-11 Livingston Ralph Pressure monitoring device
US3046369A (en) * 1959-04-27 1962-07-24 Beatrice A Hicks Device for sensing gas density
US3161865A (en) * 1959-05-25 1964-12-15 Jr John E Lindberg Replenishable fire detector
US3092821A (en) * 1960-09-06 1963-06-04 Gen Dynamics Corp Leak meter for detecting fluid pressure leaks
US3172292A (en) * 1961-09-01 1965-03-09 Foxboro Co Pressure chamber system
US3269186A (en) * 1963-07-22 1966-08-30 Specialties Dev Corp Temperature compensated pressure indicator

Also Published As

Publication number Publication date
DE1813585A1 (de) 1969-07-03
US3576412A (en) 1971-04-27
FR1557077A (show.php) 1969-02-14
GB1235345A (en) 1971-06-09

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee