IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER

Title:

IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER

Document Type and Number:

WIPO Patent Application WO/2011/102120

Kind Code:

A1

Abstract:

The disclosed impeller is provided with: a front-surface shroud having an air intake port; a back-surface shroud provided facing the front-surface shroud; a first inducer that has a plurality of first fin sections provided to the perimeter of a first hub section provided between the front-surface shroud and the back-surface shroud; a second inducer that has a plurality of second fin sections provided to the perimeter of a second hub section and that is connected to the first fin sections of the first inducer; and a plurality of blades connected to the second fin sections of the second inducer. As a result, it is possible to increase the number of inducer blades, and to provide a high-performance, low-noise impeller.

Inventors:

NISHIMURA TSUYOSHI
HIDEKUMA TEPPEI
MORISHITA KAZUHISA
TOKUDA TSUYOSHI
NAKAMURA KAZUSHIGE
KAYAMA HIROYUKI

Application Number:

PCT/JP2011/000841

Publication Date:

August 25, 2011

Filing Date:

February 16, 2011

Export Citation:

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Assignee:

PANASONIC CORP (JP)
NISHIMURA TSUYOSHI
HIDEKUMA TEPPEI
MORISHITA KAZUHISA
TOKUDA TSUYOSHI
NAKAMURA KAZUSHIGE
KAYAMA HIROYUKI

International Classes:

A47L9/00; F04D29/28; F04D17/10

Foreign References:

JP3724211B2	2005-12-07
JPS59103999A	1984-06-15
JP2007244563A	2007-09-27
JP4207249B2	2009-01-14

Other References: