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. 30, 2020
Filed:
Apr. 10, 2018
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventors:
Michael Netecke, Houston, TX (US);
Vallie Hodges, Houston, TX (US);
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/00 (2006.01); B66D 1/12 (2006.01); B66D 1/28 (2006.01); B66D 1/14 (2006.01); H02K 7/116 (2006.01); H02K 9/16 (2006.01); H02K 11/33 (2016.01); H02K 5/20 (2006.01);
U.S. Cl.
CPC ...
E21B 19/008 (2013.01); B66D 1/12 (2013.01); B66D 1/14 (2013.01); B66D 1/28 (2013.01); H02K 5/20 (2013.01); H02K 7/116 (2013.01); H02K 9/16 (2013.01); H02K 11/33 (2016.01); B66D 2700/025 (2013.01);
Abstract
A drawworks system for a mineral extraction system includes a drum mounted on a drum shaft and a motor assembly configured to drive rotation of the drum. The motor assembly includes a motor, a variable frequency drive positioned vertically above the motor relative to a skid, and a cooling assembly configured to cool the motor and the variable frequency drive. The cooling assembly is coupled to a housing of the variable frequency drive and is positioned vertically above a drive shaft of the motor relative to the skid.