Appeal No. 1999-2643
Application 08/512,395
that the heat exchanger encompassed by the admission fails to
respond
to the limitations in the claim defining the appellant’s
improvement. These deficiencies in the admitted prior art
find no cure in Katterjohn and Magari.
Katterjohn discloses a heat exchanger which functions as
a preheater for a clothes dryer or the like. This heat
exchanger/preheater 10 includes a shell housing 20, an air
intake chamber C at the bottom of the shell housing for
1
receiving hot exhaust air from the dryer, an air discharge
chamber C at the top of the shell housing for discharging
2
cooled exhaust air to the atmosphere, a heat exchange chamber
C between the air intake and discharge chambers, heat exchange
tubes 27 for feeding the exhaust air through the heat exchange
chamber from the intake chamber to the discharge chamber,
inlet orifice means O and O in the shell housing at the lower1 2
and upper ends of the heat exchange chamber C for taking in
ambient air, and an output passage P in the shell housing
intermediate the orifices O and O for discharging to the1 2
dryer ambient air which has been preheated through scrubbing
4
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