Title: Impeller for a centrifugal machine

Abstract: An impeller for a centrifugal machine includes a hub having at least one slot formed therein. A blade is mounted in the slot with the leading edge of the blade comprised of a relatively thin top section in contact with the fluid flowing through the machine, and a relatively thick bottom section for insertion into the slot. The blade is welded to the hub at the interface of said thick bottom section and the hub.

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Inventors: Kolk, Michael R. (Export, PA, US)
Beck, Ralph E. (Jeannette, PA, US)
Hoyle, Roy E. (Greensburg, PA, US)

Application Number: 913622
Filing Date: 1978-06-08
Publication_date: 1980-05-06
Assignee: Carrier Corporation (Syracuse, NY)
Primary Class(es): 416/213R 29/889.4
Other Classes:
US Patent Ref:

1904421	Apr, 1933	Doran	416/213.
2143466	Jan, 1939	Allard	416/213.
2166998	Jul, 1939	Morgan	416/213.
2773169	Dec, 1956	Lees	416/213.
4096615	Jun, 1978	Cross	416/213.

Other Refs: 238024

Sep, 1945	CH

Primary Examiner: Smith, Leonard E.
Assistant Examiner:
Attorney: Curtin; J. Raymond, Deutsch; Barry E.