Patents Examined by Jones: MaryBeth O.
  • Patent number: 4708289
    Abstract: In an injection valve for fuel-injection systems for internal combustion engines, the closure member opens in the direction towards the combustion chamber. It has an outer surface which widens towards the combustion chamber. Above the closure member, a swirl chamber is provided in the housing of the injection valve, fuel continuously rotating in said swirl chamber as a result of a continuously open return-flow connection to a valve outlet.
    Type: Grant
    Filed: June 11, 1986
    Date of Patent: November 24, 1987
    Assignee: VDO Adolf Schindling AG
    Inventors: Piotr Szablewski, Wolfgang Sauerschell