Precontrolled three-way pressure reduction valve

摘要

PCT No. PCT/EP95/01977 Sec. 371 Date Jan. 25, 1996 Sec. 102(e) Date Nov. 25, 1996 PCT Filed May 24, 1995 PCT Pub. No. WO95/33231 PCT Pub. Date Dec. 7, 1995A precontrolled three-way pressure reduction valve having essentially vibration-free operation is encased in a cartridge and has a hollow control piston wherein a working fluid space is formed as a T-shaped cavity within the control piston. In the cavity, there are axial and transverse bores of approximately the same diameter. A groove encircles the control piston, and has a width which is slightly larger than a diameter of the transverse bore, the transverse bore communicating with the groove.