Patents Assigned to Aardvark Pty. Ltd.
  • Internal combustion engine
    Patent number: 6729290
    Abstract: A piston (17) for an internal combustion engine. The piston (17) has a piston head (43) and a recess (46) formed in the piston head. A formation (91) is associated with the recess (46) for generating a turbulent motion in a fluid introduced into the recess. The formation (91) is configured to generate a swirling turbulent motion to the fluid introduced into the recess and preferably comprises spiral grooves (93) formed in the piston.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: May 4, 2004
    Assignee: Aardvark Pty. Ltd.
    Inventor: David James Rorke