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, 2022
Filed:
Dec. 15, 2020
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventor:
Ben Guo, West Hartford, CT (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 1/00 (2006.01); H02M 1/08 (2006.01); H02M 1/32 (2007.01); H02M 1/36 (2007.01);
U.S. Cl.
CPC ...
H02M 3/1582 (2013.01); H02M 1/009 (2021.05); H02M 1/08 (2013.01); H02M 1/32 (2013.01); H02M 1/36 (2013.01); H02M 3/1584 (2013.01); H02M 1/0009 (2021.05);
Abstract
An illustrative example embodiment of a buck-boost converter includes at least three input/output ports, at least three sets of switches, and at least two ripple current limiters. One of the sets of switches is associated with each of the input/output ports. Each of the ripple current limiters is associated with a respective one of the sets of switches between the associated set of switches and another one of the sets of switches.