Half speed balancer

Details Half speed balancer Half speed balancer

1982-01-28

1984-04-03

Lazarus, Ira S.

Internal-combustion engines

Vibration compensating device

123192R, 464104, 464105, 464180, 74573R, 74574, 74603, 74604, F16F 1526

Patent

active

044401230

ABSTRACT:
A half speed balancer for unbalanced mechanisms such as internal combustion engines comprises an Oldham coupling device with a central coupler that orbits in a curved (usually circular) path at a frequency twice the speed of the coupling rotation. The balancer substitutes for an equivalent rotating eccentric weight when driven at only half the rotational speed thus causing reduced bearing friction and noise and may be used in multiples like eccentric weights to offset various unbalance conditions.

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patent: 4095579 (1978-06-01), Iwasa et al.
patent: 4300493 (1981-11-01), Berti
patent: 4329968 (1982-05-01), Ishikawa et al.

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