(under subclass 473.1) Transmission control wherein the operation or engagement of a multiple controlled transmission element is initialized by a fluid means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
346, for longitudinally slidable gearing containing a plurality of slidable spur gears which are adapted to be shifted into and out of engagement by fluid pressure means under manual control.
364, for a clutch or key shifted by manually controlled fluid operated means, or a fluid-type clutch.
655, for a fluid drive mechanism included as part of an intermediate internal mechanism of a single gearing unit.
718, for a fluid drive in which alternate plural power paths to or from a gearing assembly is divided or combined.
730.1+, for gearing combined with a fluid force torque transmitting device to form a drive train.
SEE OR SEARCH CLASS 477, Interrelated Power Delivery Controls, Including Engine Control,
52+, for the combination of a hydraulic or pneumatic torque transmitting means and a gear transmission, interrelated with control of the engine.
