Machine element or mechanism – Gearing – Interchangeably locked
Patent
1999-03-15
2000-11-14
Ta, Khoi Q.
Machine element or mechanism
Gearing
Interchangeably locked
477124, 701 52, B60K 4110
Patent
active
061453994
ABSTRACT:
Non-synchronized, manually shiftable transmissions of modern vehicle types are actuated by means of an automated transmission control, and the driver can optionally select any gear by means of an actuator which is electrically connected to the transmission control device. In general terms, the method of this invention includes the operator generating a signal indicating a desire to shift the transmission. The transmission then automatically begins implementing the shift. If the currently engaged gear is not disengaged within a preselected time period, because the system cannot achieve a break torque condition, for example, the system signals the driver to manually operate the clutch. A visual and audible signal preferably are provided to the driver. Once the driver manually operates the clutch, the system is able to complete the desired shift.
REFERENCES:
patent: 4561055 (1985-12-01), McKee
patent: 5050079 (1991-09-01), Steeby
patent: 5089965 (1992-02-01), Braun
patent: 5436833 (1995-07-01), Janecke
patent: 5498195 (1996-03-01), White et al.
patent: 5609548 (1997-03-01), White et al.
patent: 5638271 (1997-06-01), White et al.
patent: 5875409 (1999-02-01), Steeby et al.
Bockmann Gerhard
Bohm Andreas
Ta Khoi Q.
Wabco GmbH & Co. OHG
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