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Thermostatic valve

  • US 5,791,557 A
  • Filed: 04/30/1997
  • Issued: 08/11/1998
  • Est. Priority Date: 11/12/1996
  • Status: Expired due to Term
First Claim
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1. Thermostatic valve comprising:

  • a thermostatic working element;

    an inflow valve arranged in an inflow;

    a bypass valve arranged in a bypass to a return flow,wherein said valve includes a preassembled constructional unit which can be inserted into a valve housing and which contains a thermostatic working element including a restoring spring, and movable valve elements,wherein the constructional unit has a holding part which can be inserted into the valve housing and in which a thermostatic working element housing is guided in an axially slidable manner which is provided with a valve element of the inflow valve and with a valve element of the bypass valve and, from its end facing away from the holding part, a working piston can be moved out, a support of the valve housing being situated opposite thereto,wherein the thermostatic working element housing is provided with a collar which forms a valve slide for the inflow valve and which is inserted into the chamber of the valve housing into which the inlet and the outlet of the inflow lead which are axially offset with respect to one another,wherein a bypass valve disk is arranged at a distance to the collar on the working element housing, a bypass valve seat being assigned to the bypass valve disk, andwherein the bypass valve seat is molded to the holding part.

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