Patents by Inventor Jaihind-Singh Sumal

Jaihind-Singh Sumal 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: 5415521
    Abstract: An aggregate for feeding fuel from a supply tank to an internal combustion engine of a motor vehicle has a feed pump formed as a flow pump and having a disk-shaped impeller and a pump chamber in which the impeller rotates and which is limited in an axial direction by two end walls spaced from one another and in a radial direction by a ring wall arranged so that substantially parallel axial gaps are formed between end surfaces of the impeller and end surfaces of the pump chamber facing the end surfaces of the impeller.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: May 16, 1995
    Assignee: Robert Bosch G.m.b.H.
    Inventors: Klaus-Dieter Hufnagel, Willi Strohl, Jaihind-Singh Sumal, Steven E. Sims
  • Patent number: 5328325
    Abstract: The peripheral pump includes a wall bounding a pump chamber and provided with a substantially annular delivery port with a base having a circular segment with a center; a circular cylindrical impeller revolving in the pump chamber, having two end faces and a rim of blades disposed at intervals along a circumference of the impeller so that a groove-like gap is formed between two adjacent blades, the groove-like gap having a base, as seen in a longitudinal section through the pump, having a circular segment with a center substantially coincident with the center of the circular segment of the delivery port, the center of the circular segments being located within an outer contour of the impeller.
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: July 12, 1994
    Assignee: Robert Bosch GmbH
    Inventors: Willi Strohl, Loren Smith, Jaihind-Singh Sumal