Regenerative thermal engine

Details Regenerative thermal engine Regenerative thermal engine

1989-05-15

1990-06-26

Ostrager, Allen M.

Internal-combustion engines

Water and hydrocarbon

123193C, F02D 1900

Patent

active

049362623

ABSTRACT:
An internal combustion engine having a cylinder, a piston reciprocally movable in the cylinder, the cylinder and piston defining in part a chamber for combustion, intake means for introducing air into the cylinder at predetermined intervals, exhaust means for removing combustion gases from the cylinder at predetermined intervals, and a regenerator liner in at least a part of the chamber, the liner having a structure with surfaces defining a plurality of regenerative cells constructed to cyclically admit, hold and discharge compressed air from the cylinder for thermally insulating the cylinder from the heat of combustion, the engine including a mechanism to maintain the piston displaced from the cylinder to avoid contact of the piston with the liner and including a positive displacement, rotary compressor-expander to precompress air delivered to the piston cylinder and receive combustion gases from the cylinder to drive the compressor-expander.

REFERENCES:
patent: 1814781 (1931-06-01), Bailey
patent: 4070998 (1978-01-01), Grow
patent: 4122803 (1978-10-01), Miller

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