Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate
2007-04-10
2007-04-10
Krishnamurthy, Ramesh (Department: 3753)
Fluid handling
Line condition change responsive valves
Direct response valves
C137S512150, C137S856000, C060S293000
Reexamination Certificate
active
10803067
ABSTRACT:
A reed valve having a plate shaped support substrate with a valve hole formed in a central section passing through in a plate thickness direction is provided. A flexible plate-shaped reed covering the valve hole at one surface of the support substrate and having one end in a longitudinal direction that is fixed to the support substrate. The support substrate has a rib extending along a center line in a longitudinal direction of the inside of the valve hole, to divide the valve hole into two spaces. A surface of the rib opposite to the reed is positioned on substantially the same plane as a surface of the support substrate to which the rib is attached, and is adjacent to the reed.
REFERENCES:
patent: 3968925 (1976-07-01), Johnston et al.
patent: 4083184 (1978-04-01), Ushijima et al.
patent: 4387565 (1983-06-01), Otani et al.
patent: 5373867 (1994-12-01), Boyesen et al.
patent: 6561143 (2003-05-01), Holtzman
patent: 2 578 943 (1986-09-01), None
patent: 2002-250233 (2002-09-01), None
Inui Hiroatu
Osuka Takanori
Hamre, Schumann, Mueller and Larson PC
Krishnamurthy Ramesh
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