V-belt type continuously variable transmission

Details V-belt type continuously variable transmission V-belt type continuously variable transmission

1988-12-02

1990-03-13

Braun, Leslie A.

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

475206, 475210, F16H 3700

Patent

active

049074717

ABSTRACT:
According to the present invention, there is provided a V-belt type contiuously variable transmission wherein the lowest forward speed ratio is accomplished by drivingly connecting a forward low gear to a transmission input shaft when a forward low clutch is engaged, and wherein a shift to the adjacent next low forward speed ratio higher than the lowest forward speed ratio is made when a forward high clutch is engaged with the forward low clutch kept engaged, therby to allow continuous variation of speed ratio, and wherein a reverse speed ratio is accomplished by engaging a reverse gear to the transmission input shaft when a reverse clutch is engaged. There is provided a gear train meshing with the reverse gear and arranged in parallel to the one-way clutch. Thus, a power delivery path during the reverse speed ratio is established through the reverse gear and the gear train arranged in parallel to the one-way clutch.

REFERENCES:
patent: 3203277 (1965-08-01), General
patent: 4294137 (1981-10-01), Piret et al.
patent: 4548100 (1985-10-01), Hohn
patent: 4660438 (1987-04-01), Tatara et al.
patent: 4736652 (1988-04-01), Shimamoto

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