Regenerative thermal engine

Details Regenerative thermal engine Regenerative thermal engine

1985-12-05

1988-12-20

Ostrager, Allen M.

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

123 51BA, 123193C, F02B 3344

Patent

active

047917873

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: 2525460 (1950-10-01), Roesch
patent: 2620621 (1952-12-01), Nettel
patent: 2712812 (1955-07-01), Ruckstell
patent: 3228183 (1966-01-01), Feller
patent: 3917290 (1975-11-01), Geffroy
patent: 4291535 (1981-09-01), Goloff
patent: 4398527 (1983-08-01), Rynbrandt
patent: 4633671 (1987-01-01), Schatz
Gyarnathy, George, "How Does the Comprex Pressure-Wave Supercharger Work?", Power Boosting P-122, pp. 91-105, (Society of Automotive Engineers, Inc., PA 1983).

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