Valves and valve actuation – Electrically actuated valve – Including solenoid
Reexamination Certificate
2006-05-09
2006-05-09
Yu, Justine R. (Department: 3751)
Valves and valve actuation
Electrically actuated valve
Including solenoid
C251S129170
Reexamination Certificate
active
07040596
ABSTRACT:
A diaphragm is clamped between a solenoid unit disposed in a casing and a second valve body in which hydrogen is introduced. A filter comprising a bottomed cylindrical mesh member is mounted in a first passage defined in the first valve body. A restriction having an orifice for restricting the flow rate of hydrogen supplied to first and second communication chambers is mounted in a first port that is disposed upstream of the filter. The restriction and the filter are disposed coaxially in line with each other.
REFERENCES:
patent: 3424429 (1969-01-01), Monnich
patent: 5546987 (1996-08-01), Sule
patent: 2005/0118475 (2005-06-01), Ueda et al.
patent: 2002-093438 (2002-03-01), None
patent: 2002-347156 (2002-12-01), None
Fukuma Kazunori
Hikichi Kouetsu
Katano Koji
Miyano Kouji
Murai Masakazu
deVore Peter
Keihin Corporation
Lahive & Cockfield LLP
Laurnetano, Esq. Anthony A.
Yu Justine R.
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