CA1303434C - Dispositif pour indiquer l'etat ouvert ou ferme d'un dispositif d'obturation - Google Patents

Dispositif pour indiquer l'etat ouvert ou ferme d'un dispositif d'obturation

Info

Publication number
CA1303434C
CA1303434C CA000534367A CA534367A CA1303434C CA 1303434 C CA1303434 C CA 1303434C CA 000534367 A CA000534367 A CA 000534367A CA 534367 A CA534367 A CA 534367A CA 1303434 C CA1303434 C CA 1303434C
Authority
CA
Canada
Prior art keywords
valve
magnetic
sensing means
alarm
magnetic sensing
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 - Lifetime
Application number
CA000534367A
Other languages
English (en)
Inventor
Anthony James Magee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1303434C publication Critical patent/CA1303434C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Check Valves (AREA)
CA000534367A 1986-04-17 1987-04-10 Dispositif pour indiquer l'etat ouvert ou ferme d'un dispositif d'obturation Expired - Lifetime CA1303434C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPH5507 1986-04-17
AUPH550786 1986-04-17

Publications (1)

Publication Number Publication Date
CA1303434C true CA1303434C (fr) 1992-06-16

Family

ID=3771563

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000534367A Expired - Lifetime CA1303434C (fr) 1986-04-17 1987-04-10 Dispositif pour indiquer l'etat ouvert ou ferme d'un dispositif d'obturation

Country Status (6)

Country Link
JP (1) JPS62251588A (fr)
AT (1) ATE54999T1 (fr)
CA (1) CA1303434C (fr)
HK (1) HK45892A (fr)
NZ (1) NZ219938A (fr)
SG (1) SG3792G (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7219691B2 (en) * 2003-02-07 2007-05-22 Fisher Controls International Llc Control valve positioner mounting system
CN106872160A (zh) * 2017-03-10 2017-06-20 武汉市锅炉压力容器检验研究所 一种无阀杆弹簧式安全阀在线校验装置

Also Published As

Publication number Publication date
HK45892A (en) 1992-07-03
SG3792G (en) 1992-03-20
NZ219938A (en) 1990-11-27
ATE54999T1 (de) 1990-08-15
JPS62251588A (ja) 1987-11-02

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Legal Events

Date Code Title Description
MKLA Lapsed