Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1989-05-04
1990-02-06
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
137853, 251223, 406192, F16K 1514
Patent
active
048982083
ABSTRACT:
An injector valve for passing air into a pneumatic conveying system for particulate solids includes a housing having an inlet chamber and a discharge chamber. A hollow seating element is mounted in the discharge chamber. The seating element has a hollow cylindrical section in fluid communication with the inlet chamber and a conical forward section. At least one fluid outlet opening extends from the hollow within the seating element to the outer surface of the seating element cylindrical section. A flexible elastomeric annular boot is mounted on the outside surface of the seating element. The boot has a conical forward portion in contact with the outer surface of the seating element conical forward section, and a cylindrical rearward portion in contact with the outer surface of the seating element cylindrical section, so that fluid entering the inlet chamber passes into the hollow of the seating element and through the outlet opening of the seating element to stretch and flex the annular boot away from the outside surface of the seating element to allow flowing fluid to exit from the forward end of the boot conical forward portion and pass into the discharge chamber.
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Chambers A. Michael
Cyclonaire Corporation
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