Patents Assigned to Performance Industries, Inc.
  • Fuel porting for two cycle internal combustion engine
    Patent number: 4294202
    Abstract: Two-cycle internal combustion engines are disclosed incorporating intake and transfer ports and passages, and including passages means in the cylinder wall interconnecting the intake tract and a transfer passage in a region above the piston when the piston is in bottom dead center position.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: October 13, 1981
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Two cycle internal combustion engine
    Patent number: 4235206
    Abstract: A two-cycle internal combustion engine having reed-type intake valving, and especially configured and positioned intake and injector porting, with the porting constructed and arranged to improve various of the operating characteristics of the engine, and particularly adapted to increase the effectiveness of the injection through the injector porting.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: November 25, 1980
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Internal combustion engine fuel supply system
    Patent number: 4228770
    Abstract: A fuel supply system for an internal combustion engine having inlet porting and a fuel supply passage with valve means therein, the cross-sectional area lying within the outside passage walls being greater in the region of the valve means than in a region upstream of the valve means. Means are provided in the passage tending to equalize the velocity of the fuel flow through the supply passage in different regions thereof.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: October 21, 1980
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Two cycle internal combustion engine
    Patent number: 4202299
    Abstract: A two-cycle internal combustion engine having reed-type intake valving, and specially configured and positioned intake and injector porting, with the porting constructed and arranged to improve various of the operating characteristics of the engine, and particularly adapted to increase the effectiveness of the injection through the injector porting.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: May 13, 1980
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Fuel porting for two cycle internal combustion engine
    Patent number: 4202298
    Abstract: Fuel porting and passage arrangements including transfer porting and passages between the crankcase and the combustion side of the piston, together with intake porting and passage arrangements for delivering fuel to the crankcase. The transfer and intake passages include portions of regions common to both or in communication with each other in relationships providing not only for direct delivery of fuel to the crankcase but also for augmenting fuel transfer into the combustion space.
    Type: Grant
    Filed: September 12, 1978
    Date of Patent: May 13, 1980
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Two cycle internal combustion engine
    Patent number: 4161163
    Abstract: A two-cycle internal combustion engine having reed-type intake valving, and specially configured and positioned intake and injector porting, with the porting constructed and arranged to improve various of the operating characteristics of the engine, and particularly adapted to increase the effectiveness of the injection through the injector porting.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: July 17, 1979
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Injector porting for two cycle internal combustion engine
    Patent number: 4143626
    Abstract: A two-cycle internal combustion engine having reed-type intake valving, and multiple injector passages and porting constructed and arranged to improve various of the operating characteristics of the engine, and particularly adapted to increase the effectiveness of fuel injection through the injector passages.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: March 13, 1979
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Two cycle internal combustion engine
    Patent number: 4062331
    Abstract: A two-cycle internal combustion engine having reed-type intake valving, and specially configured and positioned intake and injection porting, with the porting constructed and arranged to improve various of the operating characteristics of the engine.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: December 13, 1977
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyeson
  • Engine valving and porting
    Patent number: 4051820
    Abstract: A two-cycle crankcase compression internal combustion engine having extended and specially positioned intake porting and reed-type intake valves, with the porting and valves arranged to improve various of the operating characteristics of the engine.
    Type: Grant
    Filed: June 11, 1975
    Date of Patent: October 4, 1977
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Engine valve means and porting
    Patent number: 4000723
    Abstract: A two-cycle crankcase compression internal combustion engine having extended and specially positioned intake porting and reed-type intake valves, with the porting and valves arranged to improve various of the operating characteristics of the engine.
    Type: Grant
    Filed: November 15, 1973
    Date of Patent: January 4, 1977
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen
  • Engine valve means and porting
    Patent number: RE30425
    Abstract: A two-cycle crankcase compression internal combustion engine having extended and specially positioned intake porting and reed-type intake valves, with the porting and valves arranged to improve various of the operating characteristics of the engine.
    Type: Grant
    Filed: September 24, 1979
    Date of Patent: November 4, 1980
    Assignee: Performance Industries, Inc.
    Inventor: Eyvind Boyesen