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. 31, 2017
Filed:
Apr. 21, 2015
Applicant:
Maxwell Technologies, Inc., San Diego, CA (US);
Inventors:
Ulf Carl Mikael Setterberg, La Jolla, CA (US);
Jeremy Michael Cowperthwaite, San Diego, CA (US);
Jeff Brakley, Carlsbad, CA (US);
Assignee:
Maxwell Technologies, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/14 (2006.01); H02J 7/00 (2006.01); H02J 1/10 (2006.01); H02J 1/12 (2006.01); F02N 11/08 (2006.01); H02J 7/34 (2006.01); F02N 11/04 (2006.01);
U.S. Cl.
CPC ...
F02N 11/087 (2013.01); F02N 11/0866 (2013.01); H02J 1/10 (2013.01); H02J 7/1423 (2013.01); H02J 7/34 (2013.01); F02N 11/04 (2013.01); F02N 2011/0885 (2013.01); F02N 2011/0888 (2013.01); F02N 2200/063 (2013.01);
Abstract
This disclosure provides systems, methods and apparatus for a engine start system. In one aspect, the engine start system includes: a booster battery selectively connected in parallel with the primary batteries of the engine. The booster battery is disconnected when the battery voltage of the primary batteries is below a first target voltage. The booster battery is connected when the battery voltage of the primary batteries is at or above the second target voltage, or in response to an external input.