Internal combustion engine

Details Internal combustion engine Internal combustion engine

2011-08-09

2011-08-09

Kamen, Noah (Department: 3783)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S197400, C123S0780AA

Reexamination Certificate

active

07992529

ABSTRACT:
In an internal combustion engine, comprising: an upper link (11) connected via a piston pin (21) to a piston (32) that reciprocates within a cylinder; a lower link (12) attached to a crank pin (33b) of a crankshaft (33) to be free to rotate and connected to the upper link (11) via an upper pin (22); and a control link (13) which is connected to the lower link (12) via a control pin (23) and oscillates about an oscillation central shaft (24), the following equation is established when the piston (32) is at bottom dead centerin-line-formulae description="In-line Formulae" end="lead"?cos(θl+α)<cos(θl+π)in-line-formulae description="In-line Formulae" end="tail"?where:θlis a lower link attitude angle; andα is a lower link aperture angle.As a result, a load acting on a crank journal when the piston is at bottom dead center can be reduced.

REFERENCES:
patent: 2001-317383 (2001-11-01), None

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