Slide valve for controlling a bridging clutch in an automatic tr

Details Slide valve for controlling a bridging clutch in an automatic tr Slide valve for controlling a bridging clutch in an automatic tr

1993-12-02

1996-05-21

Pitts, Andrea L.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 85R, F16D 3312

Patent

active

055180914

ABSTRACT:
A slide valve for controlling a torque converter bridging clutch for an automatic transmission of a motor vehicle includes a slide housing and a movable control slide by which hydraulic fluid connections and ports may be connected to each other in different ways. The slide includes a first control flange for alternatively or jointly controlling closing and opening lines leading to the converter bridging clutch. To ensure optimal regulation of the converter bridging clutch, the slide has a second control flange for selectively connecting the opening line to a drain port so that the hydraulic fluid can flow continually through the converter bridging clutch to remove heat.

REFERENCES:
patent: 3674121 (1972-07-01), Copeland
patent: 3929211 (1975-12-01), Maddock
patent: 5054590 (1991-10-01), Paulsen
patent: 5058716 (1991-10-01), Lippe et al.
patent: 5145045 (1992-09-01), Wakahara
patent: 5163540 (1992-11-01), Mainquist et al.
patent: 5339935 (1994-08-01), Ishii et al.
patent: 5343990 (1994-09-01), Iizuka

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