GB438691A - - Google Patents

Abstract

438,691. Valves. GERDTS, G. F., 31, Marcus Allee, Horn, Bremen, Germany. March 29, 1935, No. 9868. Convention date, April 23, 1934. [Class 135] The valve comprises (1) a rotary ported and slotted disc valve body d which is adapted to connect the inlet port v to an outlet o, or the outlet o to a vent u, and (2) a coaxial lift valve body c, which is operated by a sleeve g screw-threaded into the casing a and coupled to the disc d. When the valve is in the open position, Fig. 3, fluid passes from the inlet v, around the lift valve c and through a duct y to the space l under the cover r from which it escapes through a port m in the disc d, which registers with the inner end of the outlet opening o. When the valve is closed, the port m is moved away from the opening o, which is now connected with the vent u through the groove p in the disc d. The handle h is secured to a sleeve i connected by a claw coupling i<1> with the disc d, which is pressed on its seat by a spring s. The position of the lift valve member c relative to the sleeve g is adjusted by a rod t screwed into the sleeve g and accessible by removing the cap z.