Pneumatic-injection two-stroke engine with first order balancing

Internal-combustion engines – Vibration compensating device – Balancing arrangement

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Details

123 9027, 123 65A, F02B 7506

Patent

active

053638190

ABSTRACT:
A two-stroke engine comprising a crankshaft rotating around a first axis of rotation and having at least one balancing mass, a controller for controlling feeding of at least one combustion chamber of the engine. A second shaft is rotatable around a second axis of rotation parallel to the first axis of rotation and is rotatably driven by the crankshaft. At least one balancing mass is connected in rotation to the controller so as to achieve a first order balancing of the reciprocating masses of the engine. A pneumatic fuel injection system, utilizing a portion of an air charge of the engine, sprays fuel into the combustion chamber at predetermined times of a working cycle, and a counter rotating drive of the pneumatic injection controller means by the crankshaft is achieved by a two-space toothed belt.

REFERENCES:
patent: 3203274 (1965-08-01), Barth
patent: 5215064 (1993-06-01), Monnier et al.

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