Method of controlling torque converter clutch slip

Details Method of controlling torque converter clutch slip Method of controlling torque converter clutch slip

2005-01-25

2005-01-25

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

C701S054000, C701S110000

Reexamination Certificate

active

06847879

ABSTRACT:
A method for controlling slip in an EMCC equipped torque converter is provided. The method determines whether an EMCC slip rate exceeds a predetermined RPM, determines whether a crankshaft RPM acceleration exceeds a predetermined rate, reduces an output torque of an engine in response to one of said EMCC slip rate exceeding said predetermined RPM and said crankshaft RPM acceleration exceeding said predetermined rate; and disables said output torque of an engine in response to said EMCC slip rate being less than said predetermined RPM and said crankshaft RPM acceleration being less than said predetermined rate.

REFERENCES:
patent: 4993527 (1991-02-01), Benford et al.
patent: 5413539 (1995-05-01), Leonard et al.
patent: 6095117 (2000-08-01), Minowa et al.
patent: 6434466 (2002-08-01), Robichaux et al.
patent: 6434472 (2002-08-01), Minowa et al.
patent: 6684148 (2004-01-01), Chess
patent: 6701246 (2004-03-01), Riedle et al.

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