Behr Thermot-tronik Gmbh

Behr Gmbh Co. Kg

Mahle Behr Gmbh & Co. Kg

Mahle Behr Kornwestheim Gmbh

Waldemar Friesenhahn

Ulrich Dehnen

Eike Willers

Jens Ruckwied

Karsten Emrich

Barbu Frunzetti

Hans-Peter Klein

Heinz Czemmel

Wolfgang Richter

Immanuel Buschatz

Martin Stiegler

Timm Röschmann

An improved housing for a thermostatic valve has a nonconducting cover that features a projection into the interior of the valve housing. Mounted on the projection is a thermostatic operating element, which operates to control the valve when wax inside the thermostatic operating element is heated. A pair of electrical leads, connectable to an exterior power source, are embedded within the cover, extending through the projection and connecting to a heating element within the thermostatic operating element. When electrical current is applied to the heating element through the embedded electrical leads, the wax is heated, thereby expanding, driving a work piston of the thermostatic operating element, and opening the valve.

Valve housing with embedded electrical leads

In a thermoset valve for a cooling circuit of an internal combustion engine of the type having a housing ( ) containing a thermostatic operating element ( ) whose piston ( ) actuates a valve element ( ), a base plate ( ) is affixed to the housing ( ) and supports a fixed abutment ( ) for a restoring spring ( ) which loads the valve element ( ).

Thermostat valve with electrically heatable operating element

Growing community of inventors

Kornwestheim, Germany

Waldemar Friesenhahn