THERMOVALVE Russian patent published in 2003 - IPC

FIELD: power engineering. SUBSTANCE: invention is designed for use in hot-water boilers operating on stove fuel and producing hot water for domestic purposes, heating of cottages, production buildings, etc. Proposed thermovalve contains housing accommodating spring-loaded rod with shutoff member overlapping the seat whose channel is connected with fuel feed pipeline, and bellcranks controlled by thermodrive and hinge-coupled with rod of thermovalve and anchor post. Rod of thermovalve has pivot thrusting against shutoff member in form of hermetically installed diaphragm. Fuel feed pipeline is connected with evaporator. Fuel feed pipeline between evaporator and burner is made in form of blind metal branch pipe rigidly connected with extension of branch pipe and located in parallel and over burner lighting up bowl along direction of burner flame. Extension is hinge-connected with bellcrank in space between hinge joints of rod and anchor post. EFFECT: provision of quick and reliable operation of thermovalve. 2 dwg