Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Welded – cemented or fused
Patent
1996-09-16
1998-04-07
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Welded, cemented or fused
F04D 2934
Patent
active
057356726
ABSTRACT:
A slot welded impeller for a compressor is disclosed having a slotted cover and a hub with a plurality of extending vanes. The cover and hub are oriented such that the vanes are disposed against the opposite side of the cover from the grooves, and the cover is welded to the hub by welding the grooves from the groove side of the cover to the vanes. A slot may be provided at the base of each groove extending through the cover and in contact with the outermost surfaces of the vanes to provide a better weld. The slot area is slightly smaller than the outer surface of the vanes to provide some overlap between each slot and its corresponding vane.
REFERENCES:
patent: 3481803 (1969-12-01), Hewitt
patent: 3918627 (1975-11-01), Kawano et al.
patent: 4958987 (1990-09-01), Billingsley
Delaware Capital Formation Inc.
Kwon John T.
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