Magnetic powder torque transfer clutch for controlling slip...

Details Magnetic powder torque transfer clutch for controlling slip... Magnetic powder torque transfer clutch for controlling slip...

2006-03-21

2006-03-21

Jeanglaude, Gertrude A. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

C701S041000, C701S079000, C701S084000, C701S088000, C477S903000

Reexamination Certificate

active

07016776

ABSTRACT:
A control for a differential including magnetic powder torque transfer clutch for controlling slip across the differential mechanism. The clutch includes a first element driveably connected to a first control shaft, a second element driveably connected to the second output shaft, chamber bounded by the first and second elements, magnetic powder located in the chamber; and an elecromagnetic coil producing a magnetic field of variable strength passing through the chamber and magnetic powder and changing a capacity of the clutch to transmit torque between the first and second control shafts as the field strength changes.

REFERENCES:
patent: 5270930 (1993-12-01), Ito et al.
patent: 5845753 (1998-12-01), Bansbach
patent: 5915513 (1999-06-01), Isley, Jr. et al.
patent: 6334832 (2002-01-01), Heravi et al.
patent: 6412618 (2002-07-01), Stretch et al.
patent: 6428441 (2002-08-01), Hunt
patent: 6530460 (2003-03-01), Gradu

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