Engine balancer

Details Engine balancer Engine balancer

1988-02-01

1989-04-11

Nelli, Raymond A.

Internal-combustion engines

Vibration compensating device

74604, 74603, F16F 1526

Patent

active

048195928

ABSTRACT:
A balancer mass is reciprocated linearly in the plane of the piston/cylinders of a four cylinder in-line engine by a pair of cams mounted on the crankshaft for rotation therewith. The second order vibrations can be substantially eliminated either by mounting a single balancer of the invention at the center of the crankshaft or by using a pair of balancers mounted one each at opposite ends of the crankshaft. The vibrations can also be substantially reduced by mounting a single balancer at the "free end" of the crankshaft opposite the clutch and flywheel.

REFERENCES:
patent: 1163832 (1915-12-01), Lanchester
patent: 4000666 (1977-01-01), Ito et al.
patent: 4028963 (1977-06-01), Nakamura et al.
patent: 4125036 (1978-11-01), Nakamura et al.
patent: 4154206 (1979-05-01), LaSalvar et al.
patent: 4480607 (1984-11-01), Tsai et al.
patent: 4489683 (1984-12-01), Tsai et al.
patent: 4598671 (1986-07-01), Gluck et al.
patent: 4651689 (1987-03-01), Feichtinger
patent: 4688528 (1987-08-01), Nivi et al.

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