Energy transfer unit having at least three adjacent piston membe

Details Energy transfer unit having at least three adjacent piston membe Energy transfer unit having at least three adjacent piston membe

1990-02-27

1991-05-07

Wolfe, Willis R.

Internal-combustion engines

Multiple piston, common nonrestrictive combustion chamber

Four-cycle

123193P, 123193CP, 123197R, F01B 702, F02B 2508

Patent

active

050127691

ABSTRACT:
An energy transfer unit comprises an upper wall, a lower wall spaced apart from the upper wall and being substantially parallel thereto, and at least three piston members pivotably mounted between the upper wall and the lower wall forming a chamber therebetween. Each piston member includes a piston face and a first edge. The pistons are disposed between the upper wall and the lower wall whereby the first edge of one piston member is slidably engaged with the face of an adjacent piston member. Preferably four piston members are provided thereby resulting in the compression chamber defining an alternatingly expanding or contracting cube.

REFERENCES:
patent: 3315653 (1967-04-01), Chicurel
patent: 3692005 (1972-09-01), Buske
patent: 3987767 (1976-10-01), Buske
patent: 4651690 (1987-03-01), Yang
patent: 4800858 (1989-01-01), Yang
patent: 4802449 (1989-02-01), Yang

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