The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 01, 2011

Filed:

May. 19, 2006
Applicants:

Keiichi Hosoi, Isesaki, JP;

Tsugio Yokoo, Isesaki, JP;

Masato Iwata, Kiryu, JP;

Inventors:

Keiichi Hosoi, Isesaki, JP;

Tsugio Yokoo, Isesaki, JP;

Masato Iwata, Kiryu, JP;

Assignee:

Mitsuba Corporation, Kiryu-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a fan motorfor a vehicle, when opening a vent holein a cylinder bottom portionof a yokeof the fan motor, this is performed so that the opening part cannot be visually observed when the vent holeis viewed head on. The vent holeis formed by dividing the same at a laterally long dividing line so that, at a dividing line X having an angular shape whose left-right direction central portion intrudes into the side of a vent hole upper half portion, the upper half portionhas a spherical shape that bulges out to the outside of a bottom surface as it is further at the lower side and thus has an inside and outside staggered form with respect to a lower half portion


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