Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-12-29
2010-11-16
Hanh, Nguyen N (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
Reexamination Certificate
active
07834493
ABSTRACT:
A vehicle alternator is disclosed as having a rotor including magnetic pole pieces, each having claw-like magnetic pole fingers, a field coil wound on boss portions of the magnetic pole pieces, and cooling fans fixedly mounted on the magnetic pole pieces, respectively. Each cooling fan includes a central disc portion, a plurality of fan base portions formed on the central disc portion, and fan blades standing upright from the fan base portions in an axially outward direction, respectively. The central disc portion has an outer circumferential periphery formed with a plurality of cutout portions to be contiguous with roots of the fan base portions, respectively, and placed in areas radially inward of the fan blades, respectively. Each cutout portion is so placed to be perpendicular to the radial direction on which each claw-like magnetic pole finger is oriented.
REFERENCES:
patent: 5235229 (1993-08-01), Tanaka et al.
patent: 6177632 (2001-01-01), Ashdown
patent: 6617717 (2003-09-01), Okawa
patent: 7291948 (2007-11-01), Ishida
patent: 2006/0261688 (2006-11-01), Akita et al.
patent: 2007/0255395 (2007-11-01), Pollock et al.
patent: A-08-214517 (1996-08-01), None
patent: A-11-191948 (1999-07-01), None
patent: A-11-220845 (1999-08-01), None
patent: A-2000-245091 (2000-09-01), None
patent: B2-3876912 (2006-11-01), None
patent: WO 2006/016394 (2006-02-01), None
English-language translation of Japanese Office Action dated Feb. 23, 2010.
Notification of Reasons for Rejection in Japanese with English language translation, dated Nov. 10, 2009.
Denso Corporation
Hanh Nguyen N
Oliff & Berridg,e PLC
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