Planetary geartrain

Details Planetary geartrain Planetary geartrain

1994-11-14

1996-05-21

Wright, Dirk

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

F16H 362

Patent

active

055184650

ABSTRACT:
In a planetary geartrain for automotive transmissions, this invention improves a fuel economy by reducing drag resistance caused from non-operating friction elements in the high speed cruising.
In the planetary geartrain composed of planetary gear sets and friction elements, this invention enables a A member fixed to a case in the forward first and the reverse position to be connected selectively to the case or an input shaft through series of a multiplate clutch assembly and a dog clutch.

REFERENCES:
patent: 5295924 (1994-03-01), Beim
patent: 5308295 (1994-05-01), Michioka et al.
patent: 5435792 (1995-07-01), Justice et al.

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