Counterbalance mechanism for internal combustion engine

Details Counterbalance mechanism for internal combustion engine Counterbalance mechanism for internal combustion engine

1989-07-05

1991-11-19

Luong, Vinh T.

Machine element or mechanism

Elements

Cranks and wrist pins

123192B, F16C 304, F02B 7506

Patent

active

050656449

ABSTRACT:
An internal combustion engine has a crankshaft, a clutch, and a transmission including a main shaft rotatable by the crankshaft through the clutch and a countershaft rotatable by the main shaft through gears. A counterbalance mechanism includes at least a primary counterweight rotatable in synchronism with the crankshaft, and a hollow shaft rotatably supported concentrically on the main shaft, the primary counterweight being integrally mounted on the hollow shaft, the clutch being corotatably mounted on the hollow shaft and operatively coupled to the crankshaft at the same speed as and in the opposite direction to the crankshaft.

REFERENCES:
patent: 4648359 (1987-03-01), Ito
patent: 4722308 (1988-02-01), Wall
patent: 4741303 (1988-05-01), Kronich
patent: 4800852 (1989-01-01), Kandler
patent: 4856486 (1989-08-01), Mori et al.
patent: 4936268 (1990-06-01), Randle

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