Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...
Patent
1993-12-02
1995-07-18
Bertsch, Richard A.
Internal-combustion engines
Rotary
With compression, combustion, and expansion in a single...
418 36, 123202, F02B 5300
Patent
active
054331790
ABSTRACT:
A rotary engine in which two rotors having interleaving radial vanes (3,4,8,9) revolve inside a cylindrical cavity and are connected to a planetary output gear system which causes them to alternately speed up and slow down. An axial shaft (5) attached to one rotor and passing through the other rotor contains a thrust bearing (10) to prevent the rotors from moving apart. The rotor vanes and disk-shaped end plates (1,6) which contain cooling means divide the cylindrical cavity into four chambers in which intake, compression, explosion and exhaustion occur. A passageway (39,39') containing an adjustable, pressure-sensitive valve (40) vents the compression chamber to the intake chamber to allow the compression ratio to be varied and to provide for a greater compression ratio than expansion ratio.
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Bertsch Richard A.
Freay Charles G.
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