Control system for continuously variable transmission with space

Details Control system for continuously variable transmission with space Control system for continuously variable transmission with space

1983-10-20

1985-09-24

Krizmanich, George H.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

192 0092, 192 0096, 192 0076, 74867, B60K 4112, B60K 4118, B60K 4110

Patent

active

045426651

ABSTRACT:
A starting valve has a start fluid pressure regulating state and a complete engagement fluid pressure regulating state and supplies a regulated fluid pressure to a hydraulic clutch. A shift operating mechanism comprises a rod movable within a reduction ratio select range and an overstroke range. A complete engagement control valve has a spool operatively connected with the rod. When the rod is disposed within the reduction ratio select range, the complete engagement control valve renders the starting valve operable in the complete engagement fluid pressure regulating state, while when the rod is disposed within the overstroke range, the complete engagement control valve renders the starting valve operable in the start fluid pressure regulating state.

REFERENCES:
patent: 2822901 (1958-02-01), Forster
patent: 4109772 (1978-08-01), Poore
patent: 4194608 (1980-03-01), Usui et al.
patent: 4248333 (1981-02-01), Matsumoto et al.
patent: 4281751 (1981-08-01), Suga et al.
patent: 4343387 (1982-08-01), Hofbauer
patent: 4393964 (1983-07-01), Kemper
patent: 4438664 (1984-03-01), Fiala
patent: 4458560 (1984-07-01), Frank et al.
patent: 4466521 (1984-08-01), Hattori et al.
patent: 4478105 (1984-10-01), Yamamuro et al.
patent: 4487303 (1984-12-01), Boueri et al.
patent: 4499793 (1985-02-01), Jow et al.

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