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:
Apr. 28, 2020
Filed:
Jun. 23, 2014
Applicant:
Husqvarna Ab, Huskvarna, SE;
Inventors:
Assignee:
HUSQVARNA AB, Huskvarna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/28 (2016.01); H02P 3/12 (2006.01);
U.S. Cl.
CPC ...
H02P 3/12 (2013.01);
Abstract
An apparatus () may include a working assembly () configured to perform a work function responsive to operation of the working assembly, an electric motor () that powers the working assembly, a power source () configured to selectively power the electric motor, a control circuitry () for controlling operation of the electric motor, and a brake function () configured to selectively apply braking to the electric motor responsive to a brake initiation event. The brake function may be configured to apply the braking by short-circuiting motor phase windings of the electric motor without requiring an external power supply during application of the braking.