Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1995-11-22
1997-10-07
Marmor, Charles A.
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477116, 477158, 477906, F16H 6126
Patent
active
056741537
ABSTRACT:
Disclosed is the hydraulic control system of an automatic transmission for a vehicle which can effectively control a power train even though all of one-way clutches is omitted to simplify the power train structure, including a hydraulic pump which is operated by power of an engine to produce a line pressure; a manual valve cooperating with a shift selector lever; a torque converter control part; a pressure regulator part for regulating the line pressure, the pressure regulator part being controlled in accordance with ON/OFF operations of solenoid valves; a pressure control part which is controlled by the line pressure from the pressure regulator part to thereby control a flow of a hydraulic pressure fed from the manual valve; and a shift control part for selectively feeding the hydraulic pressure fed from the pressure control part to each friction member.
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patent: 5111717 (1992-05-01), Takeuchi et al.
patent: 5191815 (1993-03-01), Kouta
patent: 5417627 (1995-05-01), Iizuka
patent: 5472389 (1995-12-01), Ando et al.
patent: 5521818 (1996-05-01), Palansky et al.
patent: 5537887 (1996-07-01), Jang
patent: 5542888 (1996-08-01), Takada et al.
Hyundai Motor Company
Kwon Peter T.
Marmor Charles A.
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