Piston and combustion engine

Details Piston and combustion engine Piston and combustion engine

1995-11-01

1997-08-26

Koczo, Michael

Internal-combustion engines

Rotary reciprocating piston

1231971, F02B 7524

Patent

active

056601506

ABSTRACT:
An internal combustion engine having at least one cylinder and reciprocating means (1) comprising pistons (12) which are slidable in said cylinders, said reciprocating means (1) and pistons (12) having a common axis, a pair of rotors (5,6) mounted on opposite sides of the axis at said reciprocating means (1) to rotate about a common axis perpendicular to the axis at said reciprocating means in opposite directions and in counter phase, connecting means (4) extending from opposite sides of said reciprocating means and engaging one of said rotors (5,6) at a distance from their common axis characterized in that a bearing connection (28,29,35) is provided between at least a portion of the piston, which is in contact with the wall of the cylinder, and the connecting means (4), allowing the piston (12) or at least a portion of the piston to be freely rotatable about its axis. This reduces the wear on the cylinder wall caused by the compression rings near the top dead center of the piston.

REFERENCES:
patent: 1091854 (1914-03-01), Lundy
patent: 2666420 (1954-01-01), Teisen
patent: 2828906 (1958-04-01), Hardman
patent: 3398728 (1968-08-01), Hardman
patent: 3824970 (1974-07-01), Amery

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