Dual-pass continuously variable transmission

Details Dual-pass continuously variable transmission Dual-pass continuously variable transmission

Filed on

1985-08-22

Date issued

1986-12-23

Examiner

Bonck, Rodney H.

Patent Class

Machine element or mechanism

SubClass

Elements

SubSubClass

Gear casings

Other Related Categories

74810, 192 486, 192 488, 192 489, 474 8, 474 28, F16H 1102, F16H 3706, F16D 4104, F16D 4704

Type

Patent

Status

active

Patent number

046305041

Description

ABSTRACT:
A dual-pass CVT has input and output shafts, first and second intermediate shafts, and a variator engaging the intermediate shafts. A first gear drive includes a first one-way clutch engaging the input shaft with the first intermediate shaft and allowing the first intermediate shaft to overrun. A second gear drive includes a jaw clutch for engaging the input shaft with the second intermediate shaft, and also includes a second one-way clutch engaging the second intermediate shaft with the input shaft and allowing the input shaft to overrun. A third gear drive includes another jaw clutch for engaging the first intermediate shaft with the output shaft, and also includes a third one-way clutch engaging the output shaft with the first intermediate shaft and allowing the first intermediate shaft to overrun. A fourth gear drive includes a fourth one-way clutch engaging the second intermediate shaft with the output shaft and allowing the output shaft to overrun.

REFERENCES:
patent: 2711656 (1955-06-01), Smirl
patent: 4205561 (1980-06-01), Montagnino et al.
patent: 4458318 (1984-07-01), Smit et al.
patent: 4495837 (1985-01-01), Morscheck
patent: 4495838 (1985-01-01), Gooch
patent: 4522086 (1985-06-01), Haley

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