MOTOR DRIVEN BLOWER

PURPOSE:To make small the resistance of air, thereby lessening the loss of motive power, by rounding at least the shapes of front and rear end portions of a caulking portion projecting from a main plate and a side plate. CONSTITUTION:A centrifugal impeller 1 is made up of a circular main plate 2, an...

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Bibliographic Details
Main Authors FUKUMOTO MASAMI, YAMAURA IZUMI
Format Patent
LanguageEnglish
Published 14.12.1989
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
NON-POSITIVE DISPLACEMENT PUMPS
PERFORMING OPERATIONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
PUNCHING METAL
TRANSPORTING
WEAPONS
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:PURPOSE:To make small the resistance of air, thereby lessening the loss of motive power, by rounding at least the shapes of front and rear end portions of a caulking portion projecting from a main plate and a side plate. CONSTITUTION:A centrifugal impeller 1 is made up of a circular main plate 2, an annular side plate 3 at whose center an air sucking-in opening portion 3a is formed, and a plurality of blades 4 arranged in a spiral shape between these main plate 2 and side plate 3. And the shapes of at least front and rear end portions of a caulking portion shape projecting from the main plate 2 and the side plate 3, are formed roundly.
Bibliography:Application Number: JP19880140751