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 ...

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 valve comes with detents for manual operation with a knob or, alternatively, without detents for automatic operation with a servo or stepper motor. Nonselected ports vent to atmosphere. In an ...