Volkswagen Ag

Gerhard Preine

Georg Kruse

Ludwig Pruss

Volker Pichmann

Ulrich Remmlinger

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.

Slide valve for controlling a bridging clutch in an automatic

A slide for a slide valve consists of an injection-molded, glass fiber reinforced, mineral-filled thermoplastic material having a high thermal stability of shape, a compressive strength of not less than 110 MPa and a Rockwell hardness of not less than R-117. The only machined surfaces are ground peripheral surfaces forming the sealing surfaces of the several subdivisions of the slide, which have an intact homogeneous texture.

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Braunschweig, Germany

Gerhard Preine