Thermal Actuators

Harry Reiter (Inventor), Kenneth V Diprose (Inventor), John N Harrison (Inventor)

Research output: Patent


An actuator used with a flame- failure cut-off valve comprises a pressurised gas filled system consisting of a small bulb 10 locked in a pilot gas flame and connected by a capillary tube 11 to a capsule 20 in the form of a pair of close fitting corrugated plates. The capsule is connected to operate a valve plate 16 with an adjusting element 21 and the cap and the valve plate are prestressed in the closed position. Dimensions of the bulb and capsule and pressures for the gas are given.
Original languageEnglish
Patent numberGB2057686A
Priority date29/08/79
Filing date29/08/80
Publication statusPublished - 1 Apr 1981
Externally publishedYes

Bibliographical note

79/29978 originally entered as priority, changed to match Espacenet format


Dive into the research topics of 'Thermal Actuators'. Together they form a unique fingerprint.

Cite this