BE713715A - - Google Patents

Info

Publication number
BE713715A
BE713715A BE713715DA BE713715A BE 713715 A BE713715 A BE 713715A BE 713715D A BE713715D A BE 713715DA BE 713715 A BE713715 A BE 713715A
Authority
BE
Belgium
Application number
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
Priority claimed from FR13021863A external-priority patent/FR93106E/fr
Application filed filed Critical
Publication of BE713715A publication Critical patent/BE713715A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/186—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
    • G01M3/187—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for flexible or elastic containers
    • 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
    • G01M3/3218—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 for flexible or elastic containers
    • 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
    • G01M3/3263—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 using a differential pressure detector
    • 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
    • G01M3/36—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested
    • G01M3/366—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested by isolating only a part of the structure being tested
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
BE713715D 1967-05-19 1968-04-16 BE713715A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR13021863A FR93106E (fr) 1966-04-04 1967-05-19 Dispositif de controle d'étanchéité des capacités en matiere synthétique ou autres.

Publications (1)

Publication Number Publication Date
BE713715A true BE713715A (zh) 1968-09-16

Family

ID=9678796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE713715D BE713715A (zh) 1967-05-19 1968-04-16

Country Status (4)

Country Link
US (1) US3527909A (zh)
BE (1) BE713715A (zh)
ES (1) ES353853A1 (zh)
GB (1) GB1163519A (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937194A (en) * 1974-02-25 1976-02-10 Hitachi, Ltd. Alarm apparatus for circulating exhaust gas flow control device
US4686851A (en) * 1981-12-21 1987-08-18 Holm Albert E Method and apparatus for detecting leaks
USRE33075E (en) * 1985-04-05 1989-10-03 Testrite, Inc. Method and apparatus for detecting leaks
US4899573A (en) * 1989-02-24 1990-02-13 American Glass Research, Inc. Apparatus and an associated method for leak and volume inspection of containers
US5072621A (en) * 1990-06-25 1991-12-17 Hasselmann Detlev E M Pipeline leak detector apparatus and method
US5192194A (en) * 1991-04-23 1993-03-09 Air Engineers, Inc. Explosion proof compressor and a method for explosion proofing a compressor
US5624239A (en) * 1994-12-14 1997-04-29 Osika; Thomas W. Portable pneumatic vacuum source apparatus and method
EP2111627A4 (en) * 2007-01-10 2013-08-21 Craig R Wildman DIFFERENTIAL PRESSURE SWITCH

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814203A (en) * 1954-11-03 1957-11-26 Robert W Donohoe Pressure-sensitive indicating device
US3041834A (en) * 1959-03-25 1962-07-03 Rolls Royce Sealing failure sensor
US3206980A (en) * 1962-10-29 1965-09-21 Kollsman Instr Corp Solid state altimeter
US3326034A (en) * 1965-04-23 1967-06-20 Ajem Lab Inc Leak testing apparatus
FR1474553A (fr) * 1966-04-04 1967-03-24 Dispositif de contrôle d'étanchéité des capacités en matière synthétique ou autres

Also Published As

Publication number Publication date
DE1750362A1 (de) 1971-01-28
GB1163519A (en) 1969-09-10
ES353853A1 (es) 1969-09-16
US3527909A (en) 1970-09-08
DE1750362B2 (de) 1976-07-29

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