Automatic pneumatic valve reset system

摘要

A cup for an air valve assembly in a positive displacement pneumatic motor includes a cup body, a gas cavity, and a first pilot slot. The cup body is rectilinear and has a sliding face as one side, and the gas cavity is concave and extends into the cup body through the sliding face and terminates within the cup body. The first pilot slot extends from the gas cavity and into the cup body through the sliding face and terminates within the cup body.

主权项

1. A cup for an air valve assembly in a positive displacement pneumatic motor, the cup comprising:
a rectilinear cup body having a substantially planar sliding face as one side of the cup body; a gas cavity that extends into the cup body through the sliding face and terminates within the cup body; a first pilot slot that extends from the gas cavity and into the cup body through the sliding face, the first pilot slot terminating within the cup body; a second pilot slot that extends from the gas cavity and into the cup body through the sliding face; and a protrusion from the cup body that is captured by an air valve piston, wherein the cup moves with the air valve piston.