Fluid reaction surfaces (i.e. – impellers) – Perimetric blading extending axially between annular members
Patent
1990-05-15
1991-11-12
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
Perimetric blading extending axially between annular members
416223B, F01D 514
Patent
active
050643460
ABSTRACT:
An impeller of a multiblade blower having at least two circular end plates or partition plates spaced apart from each other, and a plurality of blades disposed between the peripheral portions of the partition plates. Each of the blades is formed with a cylindrical portion having a uniform cross-sectional area, at the outer peripheral end thereof on the outer peripheral side of the impeller. The cylindrical portion has a diameter which is larger than the thickness of the blade at the outer peripheral end thereof so that the cylindrical portion is projected from both front and rear surfaces of the blade at the outer peripheral end of the latter.
REFERENCES:
patent: 1250681 (1917-12-01), Sheldon
patent: 2419411 (1947-04-01), Mayne
patent: 3536416 (1970-10-01), Glucksman
patent: 4538963 (1985-09-01), Sugio et al.
Atarashi Masahiro
Hayashi Yoshiaki
Sano Kiyoshi
Uno Kenichi
Kwon John T.
Matsushita Electric - Industrial Co., Ltd.
Pacific Industrial Company
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