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:
Jul. 26, 2011
Filed:
Jan. 23, 2008
Applicants:
Min Sig Shin, Suwon, KR;
Myung Rae Cho, Incheon, KR;
Hong Wook Lee, Yongin, KR;
Wootae Kim, Suwon, KR;
Jin Woo Cho, Seongnam, KR;
Inventors:
Min Sig Shin, Suwon, KR;
Myung Rae Cho, Incheon, KR;
Hong Wook Lee, Yongin, KR;
Wootae Kim, Suwon, KR;
Jin Woo Cho, Seongnam, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/00 (2006.01); F04C 2/356 (2006.01); F01C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A balance shaft function may be realized without employing a balance shaft, when an oil pump includes an inner rotor fixed to the rotation shaft and an outer rotor that rotates with the inner rotor if at least one rotor of the inner and outer rotors has a mass center formed apart from a rotation center.