Patents by Inventor Jochen Thoenissen

Jochen Thoenissen 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).

  • Patent number: 5364246
    Abstract: An aggregate for feeding fuel from a supply tank to an internal combustion engine of a motor vehicle has a feeding pump having two end walls forming a pump chamber with a suction opening and a pressure opening and a feed element rotatable in the pump chamber so as to supply fuel from the suction opening to the pressure opening. At least one of the end walls is provided with a groove-shaped unloading passage in a region between an end surface of the feeding element and a sealing surface of the one end wall and communicating through a further opening the pump chamber with a low pressure region. The suction opening has an end facing in a rotary direction of the feeding element. The unloading passage is located near the end of the suction opening.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: November 15, 1994
    Assignee: Robert Bosch GmbH
    Inventors: Kurt Frank, Uwe Liskow, Jochen Thoenissen, Uwe Loistl, Oliver Wahl