Balancer structure for three-cylinder engines

Details Balancer structure for three-cylinder engines Balancer structure for three-cylinder engines

1982-08-30

1986-01-21

Feinberg, Craig R.

Internal-combustion engines

Vibration compensating device

74603, F16F 1500

Patent

active

045651698

ABSTRACT:
A balancer structure for a three-cylinder engine for eliminating the vibration in the engine especially the vibration caused by an inertia couple about an axis perpendicular to the crankshaft of the engine. A countershaft is rotated at the same speed as the crankshaft but in opposite direction. Two counterweights are secured to the crankshaft corresponding to the first and third cylinders of both ends. Each counterweight is opposite to the crank arm of the corresponding cylinder and perpendicular to the crank arm of the second cylinder. At least two balancers are secured to the countershaft at both ends thereof. Each balancer is opposite to the corresponding counterweight.

REFERENCES:
patent: 1898459 (1933-02-01), Newcomb
patent: 2407102 (1946-09-01), Ryder
patent: 3402707 (1968-09-01), Heron
patent: 3760694 (1973-09-01), Lieb
patent: 4174698 (1979-11-01), Dupin
patent: 4195613 (1980-04-01), Bratt et al.

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