Patents Assigned to Sullair Schraubenkompressoren GmbH
  • Patent number: 4089623
    Abstract: A compressor intake throttle valve is positioned in accordance with the inlet suction of the compressor, regulating the volume of inlet air in accordance with the load on the compressor. A relief valve connected with the compressor outlet opens when the compressor outlet pressure exceeds a set value and vents compressed air to the compressor intake passage at a point between the throttle valve and the compressor inlet, closing the throttle valve.
    Type: Grant
    Filed: December 30, 1975
    Date of Patent: May 16, 1978
    Assignee: Sullair Schraubenkompressoren GmbH
    Inventor: Rudolf Hofmann, Jr.