Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Impeller-turbine type fluid circuit in series with planetary...
Patent
1989-01-04
1991-05-07
Herrmann, Allan D.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Impeller-turbine type fluid circuit in series with planetary...
475 59, F16H 4708, B60K 1710
Patent
active
050132873
ABSTRACT:
A stator shaft is press-fitted and secured to the inner peripheral surface of a pump cover positioned between a torque converter and a automatic transmission mechanism section. Bushings are fitted to a part opposing the press-fit section with reference to the outer peripheral surface of an input shaft fabricated with a uniform diameter with the exception of the rear end part, and to a part slightly forward of the above-mentioned part, respectively, and an oil channel for the torque converter feed pressure is formed between the two bushings. As a result, the forward end section of the input shaft is supported in a freely rotatable manner by the bushings which are relatively close to each other. The torque converter feed pressure is fed from an oil channel formed in the pump cover to an oil channel between the two bushings, and through the cross hole and the center hole formed in the input shaft to the torque converter. The stator shaft is press-fitted into the pump cover and secured to it, and back-up is provided to the press-fit section by bushings.
REFERENCES:
patent: 2821867 (1958-02-01), Kelbel
patent: 2923178 (1960-02-01), Miller
patent: 3189144 (1965-06-01), Gabriel
patent: 3431798 (1969-03-01), DiNard et al.
patent: 3611835 (1971-10-01), Borman
patent: 3785155 (1974-01-01), Upton
patent: 4858500 (1989-08-01), Harada et al.
Hayakawa Youichi
Hosono Chihiro
Ogasawara Yasuhito
Aisin Aw Co. Ltd.
Herrmann Allan D.
Ta Khoi Q.
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