Fluid handling – With casing – support – protector or static constructional... – Jacketed
Reexamination Certificate
2005-05-24
2005-05-24
Chambers, A. Michael (Department: 3753)
Fluid handling
With casing, support, protector or static constructional...
Jacketed
C251S368000, C060S254000, C420S433000, C148S407000
Reexamination Certificate
active
06895991
ABSTRACT:
An improved pneumatic valve and a missile with an improved thrust directional valve. In one embodiment, a refractory material lining for a pneumatic valve enables better valve operation and better valve performance. A thin-wall cylindrical sleeve of rhenium or other suitable refractory metal is located inside a cylinder. A valve piston may then travel within the refractory sleeve with greater reliability and better operation. The refractory sleeve cylinder lining can be subject to high temperatures at a rapid rate and remain operational. Under such a hostile environmental, including corrosive/erosive environments created by the passage of hot propellant gasses, the refractory cylinder sleeve has a more reliable operational life and is lighter in weight than conventional valves made entirely of refractory metals.
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Chambers A. Michael
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
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