GB2186459B - Optical actuator - Google Patents

Optical actuator

Info

Publication number
GB2186459B
GB2186459B GB8603464A GB8603464A GB2186459B GB 2186459 B GB2186459 B GB 2186459B GB 8603464 A GB8603464 A GB 8603464A GB 8603464 A GB8603464 A GB 8603464A GB 2186459 B GB2186459 B GB 2186459B
Authority
GB
United Kingdom
Prior art keywords
optical actuator
actuator
optical
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
Application number
GB8603464A
Other versions
GB8603464D0 (en
GB2186459A (en
Inventor
Roger Edward Jones
Rosamund Carol Neat
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8603464A priority Critical patent/GB2186459B/en
Publication of GB8603464D0 publication Critical patent/GB8603464D0/en
Publication of GB2186459A publication Critical patent/GB2186459A/en
Application granted granted Critical
Publication of GB2186459B publication Critical patent/GB2186459B/en
Expired 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/025—Actuating devices; Operating means; Releasing devices electric; magnetic actuated by thermo-electric means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
GB8603464A 1986-02-12 1986-02-12 Optical actuator Expired GB2186459B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8603464A GB2186459B (en) 1986-02-12 1986-02-12 Optical actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8603464A GB2186459B (en) 1986-02-12 1986-02-12 Optical actuator

Publications (3)

Publication Number Publication Date
GB8603464D0 GB8603464D0 (en) 1986-03-19
GB2186459A GB2186459A (en) 1987-08-12
GB2186459B true GB2186459B (en) 1989-11-08

Family

ID=10592938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8603464A Expired GB2186459B (en) 1986-02-12 1986-02-12 Optical actuator

Country Status (1)

Country Link
GB (1) GB2186459B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832737A1 (en) * 1988-09-27 1990-03-29 Ego Italiana TEMPERATURE CONTROLLED VALVE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883346A (en) * 1959-01-16 1961-11-29 Nat Res Dev Temperature control systems for glasshouses
GB1100895A (en) * 1964-06-22 1968-01-24 Walton Engineering Company Ltd Improvements in or relating to wax filled thermostat elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883346A (en) * 1959-01-16 1961-11-29 Nat Res Dev Temperature control systems for glasshouses
GB1100895A (en) * 1964-06-22 1968-01-24 Walton Engineering Company Ltd Improvements in or relating to wax filled thermostat elements

Also Published As

Publication number Publication date
GB8603464D0 (en) 1986-03-19
GB2186459A (en) 1987-08-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee