SMALL-SIZED MOTOR - MATSUSHITA ELECTRIC IND CO LTD

Title:

SMALL-SIZED MOTOR

Document Type and Number:

WIPO Patent Application WO/2002/037645

Kind Code:

A1

Abstract:

A small-sized motor (1) which can ensure a high reliability against grease leaking from an output-side bearing and oil flowing in from an associated device, and which has a wall (14) provided on a bracket (10) and having a constant gap along the periphery of an output shaft (3) between a commutator (7) and a bearing (6), whereby grease leaking from the bearing (6) on the output side and oil flowing in from an associated device can be prevented from sticking to the commutator (7) and a brush (5) to thereby prevent abnormal abrasion of the brush (5) and the performance deterioration of the small-sized motor (1).

Inventors:

TOYA KAZUO (JP)
SAKON SHOZO (JP)
MAEDA KENICHI (JP)

Application Number:

PCT/JP2001/009657

Publication Date:

May 10, 2002

Filing Date:

November 05, 2001

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
TOYA KAZUO (JP)
SAKON SHOZO (JP)
MAEDA KENICHI (JP)

International Classes:

B60T8/40; F04B1/04; F04B17/03; H02K5/10; H02K5/173; H02K5/14; H02K5/15; (IPC1-7): H02K5/10

Foreign References:

US5576586A	1996-11-19
JPH1023700A	1998-01-23
JPH04111264U	1992-09-28
JPH059174U	1993-02-05
JPH10108422A	1998-04-24
JPH0443378U	1992-04-13
JPH01109255U	1989-07-24
JPH07322551A	1995-12-08
JPS6025361U	1985-02-21
JPH10322961A	1998-12-04
JP2000032700A	2000-01-28
JPH0739261U	1995-07-14
JPH1198798A	1999-04-09

Other References: