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.
Patent No.:
Date of Patent:
Dec. 09, 2008
Filed:
Mar. 23, 2006
Takashi Nagayama, Kanagawa-ken, JP;
Minoru Kitamura, Tokyo, JP;
Shigetomo Shiraishi, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A first minute gap () is formed between the front end of a ventilation fan () and a first bracket () and a second minute gap () is formed between the front end of a partition member () and a second bracket (); a first aperture () is provided in a location at the inner periphery further inward than the vanes () on the bearing bracket (); a current of cooling air is formed by introduction of external air by the ventilation fan from this aperture; this current of cooling air is again discharged to the outside through a ventilation passage () of the first bracket and a ventilation passage () on the outer peripheral side of the stator core (); in addition, a second aperture () is provided in the second bracket (), a current of cooling air is formed by introduction of external air by the ventilation fan from the second aperture (); and this current of cooling air is again discharged to the outside through the ventilation passage () of the rotor core (), the ventilation passage of the first bracket and the ventilation passage on the outer peripheral side of the stator core.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile