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:
Jun. 22, 2021
Filed:
Feb. 20, 2019
Applicant:
Siemens Gamesa Renewable Energy A/s, Brande, DK;
Inventor:
Peter Hessellund Soerensen, Brædstrup, DK;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/24 (2006.01); F03D 9/25 (2016.01); H02K 7/18 (2006.01); H02K 9/06 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
H02K 3/24 (2013.01); F03D 9/25 (2016.05); H02K 7/1838 (2013.01); F05B 2260/404 (2013.01); H02K 9/06 (2013.01); H02K 21/22 (2013.01);
Abstract
Provided is an electrical generator including a stator having a stator body extending axially between a first axial end and a second axial end, the stator body including a plurality of slots, the plurality of slots being circumferentially distributed around a longitudinal axis of the stator body. The stator includes a plurality of windings housed in the plurality of slots and a plurality of end-windings, each end winding having a curved shape and connecting the windings in two slots of the plurality of slots. The electrical generator further includes at least one air guide inside and/or outside the plurality of end-windings cool.