Apparatus for reducing vibrations of the body of a vehicle

Details Apparatus for reducing vibrations of the body of a vehicle Apparatus for reducing vibrations of the body of a vehicle

1991-02-01

1992-05-12

Kamen, Noah P.

Internal-combustion engines

Vibration compensating device

1231793, F02B 7506

Patent

active

051117843

ABSTRACT:
An apparatus induces vibrations in a generator for effectively reducing vibrations of a vehicle engine and the vehicle body due to irregular combustion of the engine. The load torque of a generator fixed to the engine is changed to generate an angle moment on the body of the generator to cancel engine vibrations due to rough idling and suppress body vibrations due to the rough idling. Irregular combustion of the engine is detected from a change in the engine speed, and a voltage higher than the output voltage of the generator is than applied across the field winding to increase the field winding current and hence the load torque on the generator, which induces vibrations on the generator body. When the generator vibrations and vibrations due to irregular combustion are in inverse phase relationship to each other, they are cancelled.

REFERENCES:
patent: 4851757 (1989-07-01), Zwicky et al.
patent: 4977508 (1990-12-01), Tanaka et al.
patent: 5020491 (1991-06-01), Mashino

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