Patents by Inventor Jahinid-Singh Sumal

Jahinid-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: 4653720
    Abstract: An electromagnetically actuatable fuel injection valve which serves to supply fuel to a mixture-compressing internal combustion engine having externally supplied ignition. The fuel injection valve includes a valve housing having an outlet tube in which a valve seat body is disposed. Respective magnetic coils are disposed on pole pieces and a permanent magnet is disposed between the pole portions of the pole pieces. In the valve seat body a flow bore is provided, which merges via a stop face with a guide bore, in which a ball-shaped armature is slidably disposed. A valve needle which is joined with the armature protrudes through the flow bore and, with a closing head, cooperates with a valve seat in the valve seat body. Directly upstream of the closing head a metering collar is provided on the valve needle, an annular metering gap being formed between the metering collar and the wall of the flow bore.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: March 31, 1987
    Assignee: Robert Bosch GmbH
    Inventors: Heinrich Knapp, Rudolf Krauss, Rudolf Sauer, Jahinid-Singh Sumal