Directional control valve with flow path through valve spool

Details Directional control valve with flow path through valve spool Directional control valve with flow path through valve spool

F - Mech Eng,Light,Heat,Weapons

15

B

137/90

F15B 13/043 (2006.01)

Patent

CA 1125142

A B S T R A C T A four-way directional control air valve having a valve body in which is formed a valve spool bore having a valve spool movably mounted therein The valve spool bore has a pair of longitudinally spaced apart air supply chambers formed in the wall thereof. An ex- haust chamber is formed in the wall of the valve spool bore in a longi- tudinal central position between the pair of air supply chambers. A first cylinder chamber is formed in the wall of the valve spool bore in an intermediate position between the exhaust chamber and one of said air supply chambers. A second cylinder chamber is formed in an inter- mediate position in the wall of the valve spool bore between the exhaust chamber and the other air supply chamber. The valve spool has a pressurized air flow chamber formed therethrough, and it is connected to the air supply chambers formed in the valve spool bore to provide an air supply flow path through the valve spool. The valve spool is adapted to be moved to a first position to connect one of the air supply chambers to the first cylinder chamber and the exhaust chamber to the second cylinder chamber, and to a second position to connect the other air supply chamber to the second cylinder chamber and the exhaust chamber to the first cylinder chamber. In one embodiment, the valve spool is shifted in one direction by pilot air or a spring means to a first position, and by pilot air in the other direction to a second position. In another embodiment, the valve spool is shifted to first and second positions by pilot air, and to a third neutral position by a spring or a spring with air assist means mounted in the air flow chamber in the valve spool.

360291

Affiliated with

Also associated with

Rating

Directional control valve with flow path through valve spool does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Directional control valve with flow path through valve spool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Directional control valve with flow path through valve spool will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-606698