Internal combustion engine having a variable engine displacement

Details Internal combustion engine having a variable engine displacement Internal combustion engine having a variable engine displacement

1975-08-29

1978-01-03

Lazarus, Ronald H.

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

123 48B, 123 75BA, F02B 7504

Patent

active

040660494

ABSTRACT:
The present invention refers to a four-cycle, internal combustion engine se pistons have variable strokes, the adjustment of the piston displacement and of the fuel consumption being automatically and continuously realized as a function of the drive shaft load torque.
The engine uses an axially annular equidistant location of the cylinders in a cylinder block, comprising an odd number of pistons whose connecting rods are connected, by means of ball joints, with a central oscillating ball, diametrically penetrated by a drive shaft, the ball being sustained by two journal bearings mounted in a gliding bracket. The drive shaft is provided at one of its ends with two oppositely mounted sides that can move along two grooves formed in the inner surfaces of a fork provided at the end of an output shaft, another drive shaft end being coupled directly to a planetary reduction gear box for the control of the intake and exhaust valves.
The position of the two slides within the guiding grooves and the groove angle determine the central ball amplitude of oscillation, the piston stroke and, implicitly, the piston displacement and the engine compression ratio.

REFERENCES:
patent: 1968470 (1934-07-01), Szombathy

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