摘要:
A control apparatus for a torque converter direct coupling clutch in an automatic transmission of a type which permits the shift pattern selectively to be switched over between the three forward speed shift ranges and four forward speed shift ranges according to the desire of a car driver, wherein the improved control apparatus controls the torque converter direct coupling clutch so as to be engaged at the highest speed gear ratio (shift range) in each shift pattern gear ranges.
摘要:
A hydraulic circuit system in the automatic transmission has a hydraulic line or passage through which a hydraulic fluid delivered from a hydraulic power source or a hydraulic fluid output provided by a regulator valve is directly supplied to a torque converter, so that the overheat that may otherwise occur in the hydraulic fluid within the torque converter during the low engine output can effectively be prevented.