Impeller with machining access panel

Details Impeller with machining access panel Impeller with machining access panel

2005-06-08

2009-12-15

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

C416S21300R

Reexamination Certificate

active

07632073

ABSTRACT:
An impeller assembly is for a fluid machine, such as a compressor, and includes a first, main body and a second body. The main body includes a first section providing at least a substantial portion of either an impeller disc or an impeller cover and a second section spaced generally axially from the first section and providing a portion of the other one of the disc or the cover. A plurality of integrally formed blades extend between and connect the main body first and second sections such that the main body is generally of one piece construction. A plurality of flow channels are defined between the blades and a plurality of access openings extend into the flow channels. The second body provides a remainder of the disc or cover and is attachable to the main body to substantially form an impeller and to close all of the access openings.

REFERENCES:
patent: 2426746 (1947-09-01), Price
patent: 2807871 (1957-10-01), Wagner
patent: 3507581 (1970-04-01), Jensen
patent: 3597111 (1971-08-01), Salisbury
patent: 3764231 (1973-10-01), Hachiya et al.
patent: 4296308 (1981-10-01), Nakahama
patent: 4342541 (1982-08-01), Leskinen
patent: 4868365 (1989-09-01), Farone
patent: 5573374 (1996-11-01), Giberson
patent: 6276899 (2001-08-01), Lambert
patent: 6515258 (2003-02-01), Corby
patent: 3611910 (1987-10-01), None
English translation of DE3611910A1.

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