Automatic transmission for a vehicle

Machine element or mechanism – Gearing – Interchangeably locked

Reexamination Certificate

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Reexamination Certificate

active

06865966

ABSTRACT:
In an automatic transmission, the vehicle motion can be started forward or backward, in which vehicle running suitable for a slippery road can be achieved automatically. For this purpose, a drive wheel spin detector is provided to detect whether the drive wheel is spinning. A sub-clutch is provided to engage one of the gear trains, other than the first-speed and reverse gear trains. A controller is provided to connect the sub-clutch clutch when a shift position is in a first-speed or a reverse position and when the drive wheel spin detector detects that the drive wheel is spinning.

REFERENCES:
patent: 5303794 (1994-04-01), Hrovat et al.
patent: 6044719 (2000-04-01), Reed, Jr. et al.
patent: 6494110 (2002-12-01), Hatakeyama
patent: 20010013258 (2001-08-01), Kobayashi
patent: 05-248527 (1993-09-01), None
patent: 05-96617 (1993-12-01), None
patent: 06-201027 (1994-07-01), None
patent: 2703169 (1997-10-01), None
patent: 3011567 (1999-12-01), None
patent: 2000-097297 (2000-04-01), None
patent: 2001-227599 (2001-08-01), None
patent: 2001-227600 (2001-08-01), None
patent: 2001-280495 (2001-10-01), None
patent: 2001-289288 (2001-10-01), None

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