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:
Feb. 05, 2013
Filed:
Mar. 24, 2011
Viatcheslav Smirnov, Gyunggi-do, KR;
Ho Jun Yoo, Gyunggi-do, KR;
Yeol Choi, Gyunggi-do, KR;
Nam Seok Kim, Gyunggi-do, KR;
Viatcheslav Smirnov, Gyunggi-do, KR;
Ho Jun Yoo, Gyunggi-do, KR;
Yeol Choi, Gyunggi-do, KR;
Nam Seok Kim, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Abstract
Disclosed herein is provided a spindle motor and a disk driver having the same. There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a bush combined with the top portion of the shaft to be rotated together with the shaft; a rotor case including a cylindrical wall part combined with the outer peripheral surface of the bush; an air flow spreading part formed on the axial bottom part of the bush and spreading the air flow generated between the shaft and the sleeve to the radial outer side when the shaft is rotated; and a sealing part formed on the axial bottom portion of the bush and formed between the cylindrical wall part and the air flow spreading part to seal oil when the shaft is rotated.