Patents Assigned to A. C. Cars Limited
  • Centrifugal fluid expansible pulley with manifold vacuum control means
    Patent number: 4023425
    Abstract: A pulley in which one flange, slidably mounted on a driving shaft, is movable towards another flange, fixed to the shaft, in response to the centrifugal force created by rotation of the shaft, acting on a quantity of oil contained in an annular chamber which is defined by the movable flange and a back-plate fixed to the driving shaft and is permanently connected to either the ambient atmosphere or a source of oil through a breather passage.
    Type: Grant
    Filed: April 21, 1976
    Date of Patent: May 17, 1977
    Assignee: A. C. Cars Limited
    Inventor: Robert Henry Parker