Method of reducing resonance phenomena in a transmission...

Details Method of reducing resonance phenomena in a transmission... Method of reducing resonance phenomena in a transmission...

2007-05-01

2007-05-01

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C051S302000, C051S302000

Reexamination Certificate

active

10748219

ABSTRACT:
A method of reducing resonance phenomena in a transmission train of an internal combustion engine of a vehicle; when the rotation speed of at least part of the transmission train is such that the frequency of a disturbance harmonic component of the drive torque lies in the neighborhood of a resonance frequency of the transmission train, the standard control mode of the cylinders is modified to modify the pattern of the drive torque as a function of the engine angle, and so modify the distribution of the harmonic components of the drive torque to reduce the amplitude of the disturbance harmonic component.

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patent: 0 254 005 (1988-01-01), None
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patent: 1 260 693 (2002-11-01), None
patent: WO 94/29585 (1994-12-01), None

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