Appeal No. 1997-0287
Application 08/263,034
This is a decision on appeal under 35 U.S.C. § 134 from
the final rejection of claims 5, 11, and 14-18. Claims 1-4,
6-10, 12, and 13 have been canceled.
We affirm.
BACKGROUND
The disclosed invention is directed to a fluid thrust
balancing system combined with a turbo-machine having active2
magnetic thrust bearings. The fluid thrust balancing system
augments and complements the active magnetic thrust bearings.
Claim 5 is reproduced below.
5. A turboexpander comprising:
a turboexpander housing;
a radial inlet into said turboexpander housing;
an axial outlet from said turboexpander housing;
a turboexpander rotor in said turboexpander housing;
a compressor housing;
an axial inlet into said compressor housing;
a radial outlet from said compressor housing;
A "turbo-machine" is defined as: "A machine of2
special design intended for high speed operation." The New
IEEE Standard Dictionary of Electrical and Electronics Terms
(1993).
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