An automatic regulator for electric, steam or hot water radiators, the same being also applicable for gas heating, fire alarm devices, refrigerating control and other temperature control

摘要

213,792. Maclaren, R. May 9, 1923. Addition to 191,515. Mercury switches.-A thermostatic regulator for electric, steam or hot water radiators applicable also to gas heating, fire alarm and refrigerating control devices of the kind described in the parent Specification has the adjusting plungers E for the mercury switch formed with a concave face F and arranged to work in a cylinder A having a dome shaped end B provided with a small bore C leading to the capilliary tube D. The cylinder is made from a metal not attacked by mercury such as aluminium.