Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...
Reexamination Certificate
2008-05-29
2011-10-18
Davis, Mary A (Department: 3748)
Internal-combustion engines
Rotary
With compression, combustion, and expansion in a single...
C123S200000, C123S218000, C418S061300
Reexamination Certificate
active
08037862
ABSTRACT:
An internal combustion rotary engine has a chamber defined by a chamber wall and a rotor valve body in three locus-sealing contact with the chamber wall to define a series of three subchambers including a first subchamber for sequential compression, transfer, and combustion of a fuel mixture from a chamber fuel mixture intake and for exhausting combustion products through a chamber exhaust outlet. The rotor body defines a first bodily internal path for fuel mixture travel from the intake to the first subchamber for compression and combustion to combustion products, and a second bodily internal exhaust travel path between the combustion products in the first subchamber and the chamber exhaust outlet for exhausting of the combustion products. The chamber and rotor cooperate to transfer compressed fuel mixture past the rotor within the first subchamber. The rotor further defines a sealing and sliding valve structure with the chamber wall for controlling intake into and exhaust from the first subchamber. Two additional chamber carry out the same functions in time-delayed sequence.
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Davis Mary A
Koppel, Patrick, Heybl & Philpott
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