Appeal 2007-1465
Application 10/229,414
other claims are pending. We have jurisdiction over this appeal under 35
U.S.C. § 6 (2002).
Appellant’s claimed invention is directed to a PCV valve assembly
(Specification [2]). Claims 1, 2, 5 and 15 are representative of the claimed
invention and read as follows:
1. A positive crankcase ventilation valve assembly
comprising:
a housing having a fluid inlet and a fluid
outlet;
a poppet valve disposed in said housing
between said fluid inlet and said fluid outlet and
movable in an axial direction between a plurality
of positions respectively defining a plurality of
fluid flow rates; and
a plurality of ribs extending radially from
one of said poppet valve and said housing in said
axial direction, said plurality of ribs defining a
bearing surface between said housing and said
poppet valve, wherein one of said poppet valve
and said housing includes said plurality of ribs.
2. The assembly according to claim 1, wherein said
plurality of ribs extend radially from said housing.
5. The assembly according to claim 4, wherein said
second poppet portion includes a second plurality
of ribs defining a second bearing surface between
said second poppet portion and said second
housing portion.
15. The assembly according to claim 1, wherein
said plurality of ribs are a part of said poppet
valve.
2
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