Fluid handling – Systems – Multi-way valve unit
Patent
1991-08-02
1992-05-26
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762533, 251121, 251231, F16K 326
Patent
active
051162520
ABSTRACT:
An in-line sleeve valve has a housing and a sleeve. A sleeve gate is slidably mounted to the sleeve. A velocity guide is mounted to the sleeve gate. The velocity guide, sleeve, and sleeve gate define a passage to rapidly equalize the pressure across the velocity guide upon initially opening the valve. A drive assembly has arms mounted to the housing for swinging movement. The sleeve gate has grooves for receiving slide blocks. A drive pin is pivotally mounted at the lower end of each arm to a slide block, the pin having a threaded portion and a nonthreaded portion. Each slide block has an opening receiving the nonthreaded portion of the pin, and each arm has a threaded opening threadedly engaging the threaded end of the pin. The drive assembly also has an actuator having a piston. Ends of the drive arms are rotatably connected to a drive bar. A mounting pin has an upper cylindrical portion and a lower tapered portion. The drive bar has a vertical opening slidably receiving the upper cylindrical portion of the pin. The piston has a tapered vertical opening in axial alignment with the opening of the drive bar, the tapered opening in the piston receiving the lower tapered portion of the pin.
REFERENCES:
patent: 4508138 (1985-04-01), Dixon
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