Appeal No. 1997-3709
Application 08/582,034
at the inner surface of the rotor 60 are parallel to
the axis of the rotor 60 and thus at right angles to
the major axes of the elliptical passageways 66 at
the outer surface of the rotor 60. It should be
noted that such a configuration may also have air
passageways of constant or radially increasing
cross-sectional area in addition to the heat sinking
mass and can also achieve very low radial
temperature gradients in the wall of the rotor 60
nearer to the mounting structure while maintaining
good air flow in the elliptical passageways 66.
[Page 3, lines 15-40.]
Considering first independent claim 3, as a preliminary
matter, we again observe that this claim calls for (1) the
radially outer end of the passageway to define “a first center
axially extending dimension [and] a first end axially
extending dimension” and (2) the radially inner end of the
passageway to define “a second center axially extending
dimension . . . [and] a second end axially extending
dimension.” In appellants’ drawing figures, the first and
second center axially extending dimensions are denominated by
dimension lines A1 and B1, respectively, while the first and
second end axially extending dimensions are denominated by
dimension lines labeled A2 and B2, respectively. It is noted
that each of the dimension lines for the end axially extending
dimensions are located near, but not at, the edge of the
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