FI885857A7 - LEAK DETECTOR. - Google Patents

LEAK DETECTOR. Download PDF

Info

Publication number: FI885857A7
Authority: FI; Finland
Prior art keywords: leak detector; leak; detector
Prior art date: 1987-12-22

Application number

FI885857A

Other languages

Finnish (fi)

Other versions

FI885857A0 (en

Inventor

Jan Morten Eriksen

Jaap E Daalder

Pietro Ciboldi

Original Assignee

Eb Distribusjon

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.)

1987-12-22

Filing date

1988-12-19

Publication date

1989-06-23

1988-12-19 Application filed by Eb Distribusjon filed Critical Eb Distribusjon

1988-12-19 Publication of FI885857A0 publication Critical patent/FI885857A0/en

1989-06-23 Publication of FI885857A7 publication Critical patent/FI885857A7/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas

FI885857A 1987-12-22 1988-12-19 LEAK DETECTOR. FI885857A7 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO87875392A NO875392L (en)	1987-12-22	1987-12-22	LEAK INDICATOR.

Publications (2)

Publication Number	Publication Date
FI885857A0 FI885857A0 (en)	1988-12-19
FI885857A7 true FI885857A7 (en)	1989-06-23

Family

ID=19890494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI885857A FI885857A7 (en)	1987-12-22	1988-12-19	LEAK DETECTOR.

Country Status (5)

Country	Link
EP (1)	EP0322388A3 (en)
AU (1)	AU610669B2 (en)
DK (1)	DK711288A (en)
FI (1)	FI885857A7 (en)
NO (1)	NO875392L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102008013343A1 (en) *	2008-03-06	2009-09-10	Siemens Aktiengesellschaft	High voltage system with a conductor and method for detecting a measured variable of a high voltage system
CN113758653A (en) *	2021-09-09	2021-12-07	河南平高电气股份有限公司	A method for real-time monitoring of SF6 density relay and prediction of gas leakage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2538314A1 (en) *	1975-08-28	1977-03-10	Bbc Brown Boveri & Cie	Leakage monitor for gas insulated HV conductor - is fitted with orifice plate and differential pressure switch to detect pressure drop in affected section
DE2926260A1 (en) *	1979-06-29	1981-01-08	Bbc Brown Boveri & Cie	Gas density monitor for gas filled HV switchgear - has bourdon tube enclosed in gas to operate indicator
DE8707812U1 (en) *	1987-06-02	1987-08-27	Alexander Wiegand Gmbh U. Co Armaturen- U. Manometerfabrik, 8763 Klingenberg	Pressure switch

1987
- 1987-12-22 NO NO87875392A patent/NO875392L/en unknown
1988
- 1988-12-15 AU AU26866/88A patent/AU610669B2/en not_active Ceased
- 1988-12-16 EP EP19880850426 patent/EP0322388A3/en not_active Withdrawn
- 1988-12-19 FI FI885857A patent/FI885857A7/en not_active IP Right Cessation
- 1988-12-21 DK DK711288A patent/DK711288A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
EP0322388A3 (en)	1990-10-17
AU2686688A (en)	1989-06-22
FI885857A0 (en)	1988-12-19
NO875392L (en)	1989-06-23
EP0322388A2 (en)	1989-06-28
NO875392D0 (en)	1987-12-22
DK711288D0 (en)	1988-12-21
DK711288A (en)	1989-06-23
AU610669B2 (en)	1991-05-23

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Legal Events

Date	Code	Title	Description
1994-06-30	FD	Application lapsed
2004-08-31	MM	Patent lapsed	Owner name: EB DISTRIBUSJON A.S.