Patents by Inventor John A. J. Rees

John A. J. Rees 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).

  • Turbocompounded two-stroke piston engines
    Patent number: 4940029
    Abstract: The cylinder head (401) of a turbocompounded 2-stroke piston engine incorporates, for each cylinder (400), an indirect combustion chamber (402) which is connected to the cylinder clearance volume (413) by a passage (412). The indirect combustion chamber (402) incorporates the inlet valve (408) so that when the valve opens, turbocharging air flows into the cylinder through the chamber (402) and the passage (412). This allows a large proportion of the cylinder head area to be devoted to the exhaust valves (410), with advantages in good scavenging and maximising mass flow rates through the cylinder.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: July 10, 1990
    Inventor: John A. J. Rees
  • Turbocompounded two-stroke piston engines
    Patent number: 4807579
    Abstract: The cylinder head (401) of a turbocompounded 2-stroke piston engine incorporates, for each cylinder (400), an indirect combustion chamber (402) which is connected to the cylinder clearance volume (413) by a passage (412). The indirect combustion chamber (402) incorporates the inlet valve (408) so that when the valve opens, turbocharging air flows into the cylinder through the chamber (402) and the passage (412). This allows a large proportion of the cylinder head area to be devoted to the exhaust valves (410), with advantages in good scavenging and maximizing mass flow rates through the cylinder.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: February 28, 1989
    Inventor: John A. J. Rees