Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Reexamination Certificate
2007-02-22
2009-10-20
Ho, Ha D. (Department: 3655)
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
C477S130000, C477S156000, C477S164000
Reexamination Certificate
active
07604569
ABSTRACT:
A system for controlling a shifting during shifting, in which a frictional element is re-engaged in mid-course of being released, includes: one or more detectors for detecting driving information of a vehicle and generating one or more signals corresponding thereto; a transmission control unit for receiving the signals from the detectors and generating a control signal; and an actuator for receiving the control signal and generating a control pressure for controlling a transmission. The transmission control unit performs a control method of the shifting during shifting. The method includes: detecting driving information of a vehicle; determining whether the shifting during shifting is occurring; if the shifting during shifting is occurring, maintaining a control pressure at a stand-by pressure; determining whether an engaging condition of the frictional element is satisfied; and increasing the control pressure of the frictional element.
REFERENCES:
patent: 5644916 (1997-07-01), Hayasaki
patent: 6719657 (2004-04-01), Nishida et al.
patent: 6835164 (2004-12-01), Habeck
patent: 7008344 (2006-03-01), Aikawa et al.
patent: 2008/0139364 (2008-06-01), Lee
patent: 2001-041317 (2001-02-01), None
Ho Ha D.
Hyundai Motor Company
Morgan & Lewis & Bockius, LLP
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