Patents Assigned to Dr. Ing. h.c.F. Porshce Aktiengesellschaft
  • Airplane, preferably a helicopter
    Patent number: 4830312
    Abstract: A helicopter is driven by means of a rotor that is connected with an internal-combustion engine. The air-cooled internal-combustion engine has a horizontally opposed construction and is arranged within walls of a cabin of the helicopter. In order to supply the internal-combustion engine with cooling air and intake air, air inlet openings are provided at the side walls of the cabin. For the discharge of the cooling air, outlet openings are arranged at the underside of the cabin.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: May 16, 1989
    Assignee: Dr. Ing. h.c.F. Porshce Aktiengesellschaft
    Inventors: Klaus Hain, August Hofbauer, Manfred Hochkonig