Automatic transmission

Details Automatic transmission Automatic transmission

1998-10-21

2000-03-28

Ta, Khoi Q.

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is belt or chain gearing

475211, 475212, 475159, 474 18, B60K 1700

Patent

active

060424982

ABSTRACT:
An automatic transmission including a continuously variable transmission, a friction type starting apparatus and a forward and reverse changeover apparatus, comprises a sealed clutch housing rotating integrally with an engine output shaft for accommodating the friction type starting clutch and the forward and reverse changeover apparatus therein, a lubricating oil filled up in the clutch housing for cooling the starting clutch and the forward and reverse changeover apparatus and a clutch drum of the starting clutch integrally formed with the clutch housing, thereby an abrupt temperature rise in the starting clutch can be prevented and the durability of the starting clutch can be substantially improved. Further, since the friction type starting clutch and the forward and reverse changeover apparatus are packaged in the sealed clutch housing, a compact automatic transmission can be realized.

REFERENCES:
patent: 5112280 (1992-05-01), Sato
patent: 5183439 (1993-02-01), Yumoto et al.
patent: 5607371 (1997-03-01), Yamaguchi
patent: 5628700 (1997-05-01), Yamada et al.
patent: 5800298 (1998-09-01), Kanehara et al.
patent: 5803857 (1998-09-01), Yamamoto
patent: 5888168 (1999-03-01), Niiyama et al.

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