Patent ID: 8505436

Claim:
A proportional actuator valve ( 110 ) adapted for position control and position adjustment, said proportional actuator valve ( 110 ) comprising: a valve housing ( 112 ) having at least two chambers ( 324 , 325 ); a valve slider ( 113 ), said valve slider ( 113 ) being movable within said valve housing ( 112 ); one or more grooves ( 329 ) formed in said proportional actuator valve, wherein said one or more grooves ( 329 ) pneumatically communicate with said at least two chambers ( 324 , 325 ) of said valve housing ( 112 ); and one or more bores ( 327 , 328 ) formed in said proportional actuator valve, wherein said one or more bores ( 327 , 328 ) pneumatically communicate with said one or more grooves ( 329 ); and wherein movement of said valve slider ( 113 ) relative to said valve housing ( 112 ) provides a pneumatic valve action.