Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate
2007-06-12
2007-06-12
Krishnamurthy, Ramesh (Department: 3753)
Fluid handling
Line condition change responsive valves
Direct response valves
C137S512150, C220S203290, C251S333000, C361S521000, C429S054000
Reexamination Certificate
active
10494262
ABSTRACT:
Sealing and breathing valve assembly for accumulators comprising: at least one substantially tubular collar associated to the cover of said accumulator and suitable for connecting the external environment with one or more breathing ducts made in said cover; an elastic cap of a substantially tubular shape closed by a bottom amovably coupled to the external surface of said tubular collar. Said cap has at least one first part of a substantially cylindrical surface next to said bottom with a thickness reduced with respect to the remaining part next to the bottom of said cap, said first cap having a radial elastic deformation with respect to the remaining part working as a sealing function.
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