SE9501401L - Device for refrigerant systems with alarming function for refrigerant leakage - Google Patents

Device for refrigerant systems with alarming function for refrigerant leakage

Info

Publication number
SE9501401L
SE9501401L SE9501401A SE9501401A SE9501401L SE 9501401 L SE9501401 L SE 9501401L SE 9501401 A SE9501401 A SE 9501401A SE 9501401 A SE9501401 A SE 9501401A SE 9501401 L SE9501401 L SE 9501401L
Authority
SE
Sweden
Prior art keywords
refrigerant
conduit
section
microwaves
signals
Prior art date
Application number
SE9501401A
Other languages
Swedish (sv)
Other versions
SE505122C2 (en
SE9501401D0 (en
Inventor
Lars-Anders Persson
Original Assignee
Lars Anders Persson
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
Publication of SE9501401D0 publication Critical patent/SE9501401D0/en
Application filed by Lars Anders Persson filed Critical Lars Anders Persson
Priority to SE9501401A priority Critical patent/SE505122C2/en
Priority to SE9601831A priority patent/SE507585C2/en
Priority to AT96935709T priority patent/ATE216772T1/en
Priority to US09/051,626 priority patent/US5974863A/en
Priority to EP96935709A priority patent/EP0856150B1/en
Priority to DE69620901T priority patent/DE69620901D1/en
Priority to AU73526/96A priority patent/AU7352696A/en
Priority to PCT/SE1996/001308 priority patent/WO1997014943A1/en
Publication of SE9501401L publication Critical patent/SE9501401L/en
Publication of SE505122C2 publication Critical patent/SE505122C2/en

Links

Classifications

    • 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
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • 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
    • G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The leak detection apparatus involves transmitting microwave signals of a predetermined frequency through a section (G) of the conduit (15) or a container (16) carrying the fluid and which is pervious to microwaves. Signals reflected from the medium are used to indicate the presence of gas bubbles, droplets, or a level of liquid moving in the conduit or the container. The conduit is designed with the section pervious to microwaves with a microwave transmitter (S) that transmits microwaves toward the section. The reflected signals are received by a receiver (M) which is connected to a detector (6). The detector transmits a signal to an alarm central when a disturbance is detected.
SE9501401A 1995-10-16 1995-10-16 Liquid leak detection apparatus, for cooling medium in conduit SE505122C2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9501401A SE505122C2 (en) 1995-10-16 1995-10-16 Liquid leak detection apparatus, for cooling medium in conduit
SE9601831A SE507585C2 (en) 1995-10-16 1996-05-14 Liquid leak detection apparatus, for cooling medium in conduit - uses microwaves to detect bubbles, droplets or liquid level in conduit or container
AT96935709T ATE216772T1 (en) 1995-10-16 1996-10-16 METHOD AND DEVICE FOR DETECTING FLUID LEAKS
US09/051,626 US5974863A (en) 1995-10-16 1996-10-16 Method and device for liquid leakage indication
EP96935709A EP0856150B1 (en) 1995-10-16 1996-10-16 Method and device for liquid leakage indication
DE69620901T DE69620901D1 (en) 1995-10-16 1996-10-16 METHOD AND DEVICE FOR DISPLAYING LIQUID LEAKAGE
AU73526/96A AU7352696A (en) 1995-10-16 1996-10-16 Method and device for liquid leakage indication
PCT/SE1996/001308 WO1997014943A1 (en) 1995-10-16 1996-10-16 Method and device for liquid leakage indication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501401A SE505122C2 (en) 1995-10-16 1995-10-16 Liquid leak detection apparatus, for cooling medium in conduit

Publications (3)

Publication Number Publication Date
SE9501401D0 SE9501401D0 (en) 1995-04-18
SE9501401L true SE9501401L (en) 1997-04-17
SE505122C2 SE505122C2 (en) 1997-06-30

Family

ID=20397975

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501401A SE505122C2 (en) 1995-10-16 1995-10-16 Liquid leak detection apparatus, for cooling medium in conduit

Country Status (1)

Country Link
SE (1) SE505122C2 (en)

Also Published As

Publication number Publication date
SE505122C2 (en) 1997-06-30
SE9501401D0 (en) 1995-04-18

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Legal Events

Date Code Title Description
NUG Patent has lapsed