Patents Represented by Law Firm Karmer, Brufsky & Cifelli
  • Patent number: 4932214
    Abstract: To improve a processing system for liquid hydrogen comprising a storage t and a supply unit arranged outside of and connected with the storage tank via a suction line, the supply unit comprising a feed pump which communicates on its pressure side with a motor feed line, such that the feed pump is constantly kept at operating temperature, it is suggested that the supply unit comprise a cool-stage casing completely surrounding the feed pump, the casing having hydrogen flowing through it which exits from the feed pump on the pressure side.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: June 12, 1990
    Assignee: Deutsche Forsehungs- und Versuchsanslalt fuer Luft- und Raumfahrt e.v.
    Inventors: Willi Nieratscher, Walter Peschka