Patents by Inventor Sten Klippare

Sten Klippare 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).

  • Filter device, particularly intake air filter device for combustion engines
    Patent number: 5238476
    Abstract: A filter device, especially an intake air filter for internal combustion engines, comprises a cylindrical filter housing (1) with inlet and outlet openings (7, 6) for the medium. In the outlet opening, the pipe stub (11) is fixed with the aid of an elastic sleeve (12). The pipe stub is solidly joined to a secondary or safety filter (20) which extends within a main filter (2), which has a radial seal (17) which seals against a portion (11a) of the pipe stub extending into the housing.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: August 24, 1993
    Assignee: AB Volvo
    Inventors: Per Svensson, Sten Klippare
  • Intake air filter for an internal combustion engine
    Patent number: 5160519
    Abstract: A filter device, especially an intake air filter for internal combustion engines, comprises a cylindrical filter housing (1) with inlet and outlet openings (7, 6) for the medium. In the outlet opening (6), a pipe stub (11) is fixed with the aid of an elastic sleeve (12), which forms a seal between the opening edge (14) and the stub and between the stub and an intake conduit (15) coupled thereto. The pipe stub has a portion (11a) extending into the filter housing, against which portion (11a) there seals a radial seal (17) on a filter element (2) enclosed in the housing.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: November 3, 1992
    Assignee: AB Volvo
    Inventors: Per Svensson, Sten Klippare