CA2013990C - Valve actuator two rotor three position indicator - Google Patents

Valve actuator two rotor three position indicator

Info

Publication number
CA2013990C
CA2013990C CA002013990A CA2013990A CA2013990C CA 2013990 C CA2013990 C CA 2013990C CA 002013990 A CA002013990 A CA 002013990A CA 2013990 A CA2013990 A CA 2013990A CA 2013990 C CA2013990 C CA 2013990C
Authority
CA
Canada
Prior art keywords
gear
end cap
drive
open area
rotor
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 - Fee Related
Application number
CA002013990A
Other languages
English (en)
French (fr)
Other versions
CA2013990A1 (en
Inventor
Ivan E. Wilkinson
Robert W. Auxier
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.)
Limitorque LLC
Original Assignee
Limitorque LLC
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 Limitorque LLC filed Critical Limitorque LLC
Publication of CA2013990A1 publication Critical patent/CA2013990A1/en
Application granted granted Critical
Publication of CA2013990C publication Critical patent/CA2013990C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008—Mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Multiple-Way Valves (AREA)
CA002013990A 1989-05-19 1990-04-05 Valve actuator two rotor three position indicator Expired - Fee Related CA2013990C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/354,395 US4940011A (en) 1989-05-19 1989-05-19 Valve actuator two rotor three position indicator
US354,395 1989-05-19

Publications (2)

Publication Number Publication Date
CA2013990A1 CA2013990A1 (en) 1990-11-19
CA2013990C true CA2013990C (en) 1994-10-04

Family

ID=23393153

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013990A Expired - Fee Related CA2013990C (en) 1989-05-19 1990-04-05 Valve actuator two rotor three position indicator

Country Status (9)

Country Link
US (1) US4940011A (en, 2012)
JP (1) JPH02309078A (en, 2012)
CN (1) CN1018668B (en, 2012)
AU (1) AU630175B2 (en, 2012)
CA (1) CA2013990C (en, 2012)
DE (1) DE4015525C2 (en, 2012)
GB (1) GB2231663B (en, 2012)
IT (1) IT1241432B (en, 2012)
MX (1) MX164481B (en, 2012)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5178187A (en) * 1992-03-20 1993-01-12 Bray International, Inc. Valve position indicating apparatus
US5719559A (en) * 1995-06-23 1998-02-17 Limitorque Corporation System and method for the verification of a digital control system
US5890450A (en) * 1997-07-01 1999-04-06 Fmc Corporation Linear stroke valve position indicator
US6371162B1 (en) 2000-04-20 2002-04-16 Fisher Controls International, Inc. Electric actuator for fluid control valves
NL1034491C2 (nl) * 2007-10-09 2009-04-16 Netherlocks Safety Systems B V Overbrenginrichting voor een handwielbedienbare afsluiter en afsluiterinrichting voorzien van een dergelijke overbrenginrichting.
DE102010006351B4 (de) * 2010-01-30 2016-10-20 Vag-Armaturen Gmbh Stellungsanzeige für ein Drehteil
US9022065B1 (en) 2014-06-30 2015-05-05 California Controlled Atmosphere Pressure event indicator and systems incorporating the same
US20160245438A1 (en) * 2015-02-24 2016-08-25 Unox S.P.A. Device for draining liquids and fats from chambers of cooking ovens, particularly ovens for food use
ES2741313T3 (es) * 2015-03-11 2020-02-10 Fischer G Rohrleitungssysteme Ag Actuador de válvula con fibra óptica
US11953117B2 (en) * 2021-01-20 2024-04-09 Saudi Arabian Oil Company Gate valve indicator devices for oil and gas applications
DE102023127653A1 (de) * 2023-10-10 2025-04-10 Auma Riester Gmbh & Co. Kg Stellantriebsanzeige und Stellantrieb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778583A (en) * 1929-12-27 1930-10-14 Edmond V Bryant Valve-position indicator
GB429686A (en) * 1933-12-05 1935-06-05 Arthur Lake Jennings Improvements in and relating to valves or cocks
US2582556A (en) * 1945-04-14 1952-01-15 Economy Pumps Inc Electrohydraulic valve operating mechanism
BE755327A (fr) * 1970-02-27 1971-02-01 Pratt Co Henry Indicateur de position de soupape.
US4839475A (en) * 1988-04-29 1989-06-13 Limitorque Corporation Modular switch assembly having wiping contacts

Also Published As

Publication number Publication date
GB9003302D0 (en) 1990-04-11
IT9067164A0 (it) 1990-03-09
JPH0543915B2 (en, 2012) 1993-07-02
JPH02309078A (ja) 1990-12-25
DE4015525A1 (de) 1990-11-22
MX164481B (es) 1992-08-19
US4940011A (en) 1990-07-10
DE4015525C2 (de) 1994-06-30
AU5226390A (en) 1990-11-22
AU630175B2 (en) 1992-10-22
GB2231663A (en) 1990-11-21
CA2013990A1 (en) 1990-11-19
IT1241432B (it) 1994-01-17
IT9067164A1 (it) 1991-09-09
CN1018668B (zh) 1992-10-14
GB2231663B (en) 1993-06-16
CN1047375A (zh) 1990-11-28

Similar Documents

Publication Publication Date Title
CA2013990C (en) Valve actuator two rotor three position indicator
US5957158A (en) Visual position indicator
EP0092714B1 (en) Position indicator assembly and valve assembly making use thereof
KR100482906B1 (ko) 회전식밸브용액츄에이터
MXPA96004458A (es) Accionador de valvula
US2532970A (en) Indicating device
US4718445A (en) Position indicator for a rotary valve actuator
JP2012503317A (ja) 手動式駆動部
JPH02291994A (ja) デジタル式アナログ量表示装置
US4558192A (en) Multi-range timer switch device
US3996734A (en) Minute-interval alarming device for a clock or the like
US1778583A (en) Valve-position indicator
JP4444526B2 (ja) 弁開度指示装置
JPS62131507A (ja) 変圧器のタップ切換器の手動駆動装置
JP2001012648A (ja) 弁機構のアクチュエータの開閉表示装置
KR200269034Y1 (ko) 버터플라이밸브의 개도상태 표시장치
RU2807197C1 (ru) Указатель положения рабочего органа механизмов с многооборотными исполнительными элементами
EP0245212B1 (en) A cam-actuated microswitch unit
RU2815570C1 (ru) Механизм индикации требуемого положения запорной арматуры, соответствующего режиму работы системы управления
GB2333143A (en) Rotary valve actuator
EP3699555B1 (en) Limit switch
CN209229099U (zh) 一种新型智能阀门电动执行器
JP2000110963A (ja) 開度計付弁操作機
JPH0535259Y2 (en, 2012)
GB2347197A (en) Rotary valve actuator

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed