Engine connecting rod and double piston assembly

Details Engine connecting rod and double piston assembly Engine connecting rod and double piston assembly

1998-02-09

1999-02-02

Yuen, Henry C.

Expansible chamber devices

Piston

Open-ended hollow skirt type

123 78E, 123 78B, 123 78BA, 123 48B, 92187, F16C 700

Patent

active

058650920

ABSTRACT:
A piston for internal combustion engines with an inner piston eccentrically disposed inside the outer piston. The outer piston is attached to a journal at the top of the connecting rod by a wrist pin in the usual manner. The inner piston is attached by a wrist pin to a carrier slidably disposed within the slot of a forked lateral projection extending from the top of the connecting rod. Outer piston movement and inner piston movement relative to the outer piston, produces variable compression and applies torque to the crankshaft while at TDC (top-dead-center).

REFERENCES:
patent: 668250 (1901-02-01), Zurawski
patent: 1033760 (1912-07-01), Hutchinson
patent: 1309891 (1919-07-01), Griffith
patent: 1905062 (1933-04-01), Schaeffers
patent: 2368412 (1945-10-01), Cords
patent: 3200798 (1965-08-01), Mansfield
patent: 4137873 (1979-02-01), Caswell, Sr.
patent: 4142500 (1979-03-01), Davis
patent: 4203406 (1980-05-01), Smith
patent: 4463710 (1984-08-01), McWhorter
patent: 4979427 (1990-12-01), Pfeffer et al.
patent: 5247911 (1993-09-01), Nenicka

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