F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
230/8
F01D 5/14 (2006.01) F04D 29/28 (2006.01)
Patent
CA 1332729
ABSTRACT OF THE DISCLOSURE 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 dis- posed between peripheral portions of the partition plates. A cylindrical portion is formed on one of opposite edges of each blade at the inner peripheral side of the impeller so as to extend through the overall length of the blade. Another cylindrical portion is formed on the other edge of each blade at the outer peripheral side of the impeller so as to extend through the overall length of the blade. Each of these cylindrical portions has a diameter larger than the thickness of the portion of the blade connected to the cylindrical portion.
602975
Atarashi Masahiro
Hayashi Yoshiaki
Ito Shotaro
Sano Kiyoshi
Uno Kenichi
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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