Patents by Inventor Daode CAI

Daode CAI 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).

  • Piston type pneumatic engine
    Patent number: 8499553
    Abstract: A piston type pneumatic engine, including a cylinder block, a piston, a cylinder, a crankshaft, a connecting rod, a camshaft, and a device for controlling the opening or closing of a gas valve. A cylinder cover arranged on the cylinder block is provided with an inwardly-opened type compressed-gas intake valve and an exhaust valve. An intake cam and an exhaust cam are arranged on the camshaft. The opening or closing of the intake and the exhaust valves is controlled by a rocker arm which is driven by the camshaft. The camshaft is driven by the rotated crankshaft via a timing chain or belt.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: August 6, 2013
    Inventor: Daode Cai
  • PISTON-TYPE PNEUMATIC ENGINE
    Publication number: 20120090456
    Abstract: A piston type pneumatic engine, including a cylinder block, a piston, a cylinder, a crankshaft, a connecting rod, a camshaft, and a device for controlling the opening or closing of a gas valve. A cylinder cover arranged on the cylinder block is provided with an inwardly-opened type compressed-gas intake valve and an exhaust valve. An intake cam and an exhaust cam are arranged on the camshaft. The opening or closing of the intake and the exhaust valves is controlled by a rocker arm which is driven by the camshaft. The camshaft is driven by the rotated crankshaft via a timing chain or belt.
    Type: Application
    Filed: December 26, 2011
    Publication date: April 19, 2012
    Inventor: Daode CAI