Patents Assigned to Wilhelm & Dauster
  • Electrically heatable thermostatic valve for a coolant circulating system of an internal-combustion engine
    Patent number: 5385296
    Abstract: An electrically heatable thermostatic valve for a coolant circulating system of an internal-combustion engine in which the housing of a thermostatic working element is arranged in a stationary manner and is provided with feed lines for a heating element. The valve elements of a main valve and of a bypass valve are arranged on the working piston of the working element, the valve element of the main valve being designed such that the housing of the thermostatic working element is situated in the cold coolant flow when the main valve is closed.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: January 31, 1995
    Assignee: Wilhelm & Dauster
    Inventors: Manfred Kurz, Roland Saur