ELECTRIC MOTOR AND MOTOR FOR WIPER

Title:

ELECTRIC MOTOR AND MOTOR FOR WIPER

Document Type and Number:

WIPO Patent Application WO/2014/156920

Kind Code:

A1

Abstract:

An electric motor (2) is provided with a yoke (5) and a gear housing (23). The yoke (5) includes a tubular magnet housing section (54), the magnet housing section housing a magnet (7). The gear housing (23) is provided with a tubular frame section (22), the frame section housing at least a brush holder. One side of the yoke (5) and the other side of the frame section (22) are joined to each other. A rotary shaft is housed in the magnet housing section (54) and the frame section (22) along the axial direction of the magnet housing section (54) and the frame section (22). A first axial direction length (F) is formed to be equal to or longer than a second axial direction length (Y). The first shaft direction length (F) is the axial direction length of an outer wall of the frame section (22) that is formed substantially parallel to the rotary shaft. The second shaft direction length (Y) is the shaft direction length of an outer wall of the magnet housing section (54) that is formed substantially parallel to the rotary shaft.

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Inventors:

KAWASHIMA YOSHICHIKA (JP)
TOKIZAKI TEPPEI (JP)
TAMURA NATSUMI (JP)

Application Number:

PCT/JP2014/057668

Publication Date:

October 02, 2014

Filing Date:

March 20, 2014

Export Citation:

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Assignee:

MITSUBA CORP (JP)

International Classes:

H02K7/116; B60S1/08

Foreign References:

JP2010142027A	2010-06-24
JP2008245335A	2008-10-09
JP2010004597A	2010-01-07
JP2011223656A	2011-11-04

Other References: