Patents Assigned to Spuhl KG
  • Valve
    Patent number: 4809737
    Abstract: A valve comprising a first chamber on its control or operating side, and a second chamber on its fluid side, which chambers are separated from one another by means of an uninterrupted diaphragm. The control-side chamber has a fluid outlet which is opened and closed, by means of a valve needle. The valve needle bears with its base on the uninterrupted diaphragm via a disc of a friction-reducing material such as polytetrafluoroethylene.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: March 7, 1989
    Assignee: Spuhl KG
    Inventor: Fritz Mumenthaler