Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Reexamination Certificate
2006-08-22
2006-08-22
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
C415S204000, C029S888020
Reexamination Certificate
active
07094024
ABSTRACT:
An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is disclosed. The integral assembly comprises a continuous ring disposed coaxial with, and orthogonal to a central axis, the continuous ring comprising a plurality of surfaces, the plurality of surfaces having a continuous outer surface and a continuous inner surface; the plurality of surfaces being characterized by a continuous cross section having a first cross sectional dimension longitudinally disposed parallel to the central axis; the plurality of surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface; the compressor shroud surface being in physical communication with a diffuser surface; and the diffuser surface being in physical communication with the bell mouth surface. The integral assembly comprising a compressor shroud is also provided. An auxiliary power unit including the integral assembly, and a method of making the integral assembly are also disclosed.
REFERENCES:
patent: 4981018 (1991-01-01), Jones et al.
patent: 6513330 (2003-02-01), Rice et al.
U.S. Appl. No. 10/666,611, filed Sep. 17, 2003, Nguyen et al.
James Darrell K.
Nguyen Ly D.
Ockenfels Greg
Wheeler Lori M.
Zurmehly George E.
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
White Dwayne J
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