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:
Oct. 18, 2011
Filed:
Jul. 24, 2007
Applicants:
Sang-kyun Kang, Yongin-si, KR;
Jae-yong Lee, Yongin-si, KR;
Inventors:
Sang-kyun Kang, Yongin-si, KR;
Jae-yong Lee, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 2/38 (2006.01); H01M 2/40 (2006.01); H01M 8/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell includes a fuel cell stack, a buffer, an actuator, and a control circuit. The control circuit controls the operation of the actuator according to a reference value of a reference volume of fuel disposed in the buffer. The fuel cell is operated by measuring a value corresponding to a volume of fuel disposed in the buffer, comparing the value with a reference value, and operating the actuator according to a result of the comparison.