Patents by Inventor Karsten-Wilhelm LÜCHAU

Karsten-Wilhelm LÜCHAU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230001910
    Abstract: The disclosure relates to a fluid valve including a lip seal having a sealing lip between a pressure inlet and a pressure outlet, wherein the position of the sealing lip can be varied to vary a passage cross section. The disclosure further relates to a pneumatic valve arrangement having a park release valve and the fluid valve. The disclosure further relates to a pneumatic braking system including the fluid valve or the pneumatic valve arrangement.
    Type: Application
    Filed: August 29, 2022
    Publication date: January 5, 2023
    Inventors: Steffen Gerlach, Karsten-Wilhelm Lüchau, Armin Sieker
  • Patent number: 10259436
    Abstract: A brake modulator (1) for a compressed air braking system (80) of a vehicle is disclosed. The brake modulator (1) has a main housing (8) and two relay valves (2, 3). Each relay valve is configured with a delivery valve seat (31, 131) and a vent valve seat (30, 130) and a vent position, wherein compressed air inlets (2d, 3d) are connected via a transverse bore (27) to a common compressed air inlet port (25, 26), and a delivery duct (12a, 112a) extends in the axial direction (A) in each relay valve (2, 3). The relay valves (2, 3) have guide body inserts (12, 112) which are inserted into a longitudinal bore (29) of the main housing (8), which longitudinal bore (29) extends in the axial direction (A), and the relay valves (2, 3) in each case have the delivery duct (12a, 112a).
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: April 16, 2019
    Assignee: WABCO GMBH
    Inventors: Karsten-Wilhelm Lüchau, Armin Sieker, Arne Stephan, Olaf Wichmann
  • Publication number: 20180001877
    Abstract: A brake modulator (1) for a compressed air braking system (80) of a vehicle is disclosed. The brake modulator (1) has a main housing (8) and two relay valves (2, 3) Each relay valve is configured with a delivery valve seat (31, 131) and a vent valve seat (30, 130) and a vent position, wherein compressed air inlets (2d, 3d) are connected via a transverse bore (27) to a common compressed air inlet port (25, 26), and a delivery duct (12a, 112a) extends in the axial direction (A) in each relay valve (2, 3) The relay valves (2, 3) have guide body inserts (12, 112) which are inserted into a longitudinal bore (29) of the main housing (8), which longitudinal bore (29) extends in the axial direction (A), and the relay valves (2, 3) in each case have the delivery duct (12a, 112a).
    Type: Application
    Filed: January 13, 2016
    Publication date: January 4, 2018
    Inventors: Karsten-Wilhelm LÜCHAU, Armin SIEKER, Arne STEPHAN, Olaf WICHMANN