Method for reducing juddering vibrations

Details Method for reducing juddering vibrations Method for reducing juddering vibrations

2007-11-20

2007-11-20

Jeanglaude, Gertrude A. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

C701S037000, C701S051000, C701S084000

Reexamination Certificate

active

10906907

ABSTRACT:
Juddering vibrations are reduced in a motor vehicle drive train that is loadable by a drive device comprising an internal combustion engine, a clutch device and a transmission device, by performing the steps of (i) determining whether juddering vibrations are present; (ii) disposing or coupling in or to the motor vehicle drive train a device selected from the group consisting of an internal combustion engine, a clutch device and a transmission device; (iii) assigning a rotary parameter to a drive train component, wherein the parameter is torque or speed, and (iv) adjusting at least one of the devices to counteract the juddering vibrations, where in response to the adjusting, the rotary parameter is modified and in response to modifying the rotary parameter, the juddering vibration is modified over time.

REFERENCES:
patent: 4713763 (1987-12-01), Hofmann
patent: 5759133 (1998-06-01), Treinies et al.
patent: 6035984 (2000-03-01), Kosik et al.
patent: 6631319 (2003-10-01), Luh
patent: 2002/0047417 (2002-04-01), Tebbe
patent: 2002/0049118 (2002-04-01), Vornehm et al.
patent: 4009792 (1991-10-01), None
patent: 19949449 (2001-05-01), None
patent: 2305743 (1997-04-01), None

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