Compressed air flow regulating devices

摘要

PCT No. PCT/FR84/00277 Sec. 371 Date Jun. 27, 1985 Sec. 102(e) Date Jun. 27, 1985 PCT Filed Nov. 26, 1984 PCT Pub. No. WO85/02446 PCT Pub. Date Jun. 6, 1985.A flow regulating device is placed between a compressed air distributor and a double-acting jack for regulating the admission and exhaust flow of compressed air. The device includes a body with a cylindrical housing in which is mounted for axial sliding a movable member, and within which are two passageways transversed perpendicular to the body. Each passageway issues into a chamber defined by a bottom, the housing and the movable member. The two chambers are isolated by the movable member which comprises a central seal. The opening of the passageways are defined by stop members placed at both ends of the housing.