A rotary fuel delivery valve just might help us get manned space flights out of our immediate neighborhood one day, and it could have practical terrestrial applications. A rotary fuel delivery valve ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Manual rotary select valves let aircraft operators isolate hydraulic pressure from specific systems to permit ground maintenance of aircraft Manual rotary select valves let aircraft operators isolate ...

The "rotary valve" is the key to the operation of power steering. It directs the power steering fluid under pressure to either side of the rack piston, which converts hydraulic power to mechanical ...

The valves, which can move from fully-open to fully-closed in as little as 30 msec, reportedly can fit in a fraction of the package space ordinarily needed for comparably-rated valves using a linear ...