Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2007-03-21
2010-11-30
Bryant, David P (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S889230
Reexamination Certificate
active
07841082
ABSTRACT:
The present invention is an apparatus that includes a chamber rotor with a chamber and an extension rotor with an extension. The rotors are housed in a rotor case. A pressure cavity is at least transiently formed by the extension rotor and the chamber rotor. The present invention also includes a compressor that includes a chamber rotor with a chamber and an extension rotor with an extension where the extension is adapted to be received in the chamber when the rotors are synchronously rotated. The compressor also includes a power input shaft attached to the extension rotor and a gear assembly attached to the rotors that is adapted to insure the synchronous rotation of the rotors. A rotor case houses the rotors and has an intake port and an exhaust port. The present invention also includes an engine that is similar to the compressor and includes a spark plug. Methods of compressing, pumping and generating electricity and mechanical power are also part of the present invention.
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International Search W Report dated Sep. 4, 2003 for PCT/US03/13786, filed May 3, 2003.
Bryant David P
Cigna Jacob J
Simmons Perrine Moyer Bergman PLC
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