Fluid handling – Systems – Multi-way valve unit
Patent
1976-07-27
1978-01-03
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
13762537, F16K 4714, F15D 100
Patent
active
040661008
ABSTRACT:
A control valve of the type wherein a valve member in the form of a piston moves axially within a piston guide cylinder located in a valve chamber. The valve chamber includes an inlet chamber, an outlet chamber, a valve seat area, and a main flow path and a plurality of by-pass ducts running through an inlet collar and terminating at the valve seat area. A by-pass admission duct which includes an entrance section located in a convexly curved portion of the inlet collar feeds the fluid controlled by the valve to the by-pass ducts and this duct which begins at a rotationally symmetrical throat section of the main flow path is generated by the respective boundary lines of the inlet collar and piston guide cylinder, the shortest connecting line between those boundary lines and an extension of the line which generates the valve seat area.
REFERENCES:
patent: 3602261 (1971-08-01), Brown et al.
patent: 3704726 (1972-12-01), Lewis
BBC Brown Boveri & Company Limited
Rosenthal Arnold
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