.~ With means for selective runner operation or drive shaft connection
DEFINITION
Classification: 415/61
(under subclass 60) Apparatus comprising an arrangement by which less than all the runners may at will be (1) contacted by the working fluid* or (2) drivingly associated with the input or output shaft.
(1) Note. Typically the arrangement may include a valve for directing the working fluid* to or from a runner*, a clutch mechanism to connect any runner* to or from a shaft*, or a brake mechanism to frictionally engage and prevent the motion of any runner.
(2) Note. Included under this definition is a pumping arrangement wherein the runners* may selectively be changed between a series and parallel system.
