Patents Assigned to Ronald H. Fremlin
  • Hydraulic injection engine
    Patent number: 3973470
    Abstract: The present invention relates to an hydraulic motor adapted to be used in automobiles and other vehicles and which is derived from a standard reciprocating piston engine. Instead of igniting a fuel/air mixture, the present invention supplied hydraulic fluid under pressure to one or more cylinders of the engine to drive the pistons during their power stroke. The present invention also provides apparatus for releasing the pressure of the hydraulic fluid in the cylinders to allow the pistons to reciprocate.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: August 10, 1976
    Assignees: Ronald H. Fremlin, Robert E. Fremlin
    Inventor: John E. Fremlin