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.

Date of Patent:
Jan. 30, 2018

Filed:

Jun. 02, 2014
Applicants:

Dresser-rand Company, Olean, NY (US);

Daniel J. Griffin, Enfield, CT (US);

Inventor:

Daniel J. Griffin, Enfield, CT (US);

Assignee:

Dresser-Rand Company, Olean, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/051 (2006.01); F04D 29/18 (2006.01); F04D 29/054 (2006.01); F04D 29/053 (2006.01); F04D 29/10 (2006.01); F04D 17/12 (2006.01); F04D 3/00 (2006.01); F04D 7/00 (2006.01); F04D 13/04 (2006.01);
U.S. Cl.
CPC ...
F04D 29/181 (2013.01); F04D 3/00 (2013.01); F04D 7/00 (2013.01); F04D 13/04 (2013.01); F04D 17/122 (2013.01); F04D 29/053 (2013.01); F04D 29/054 (2013.01); F04D 29/0516 (2013.01); F04D 29/102 (2013.01);
Abstract

A shaft of a compressor may include a first shaft section defining a first cavity axially extending therein and a second shaft section defining a second cavity axially extending therein. A plurality of inlet holes may be defined on an outer surface of the first shaft section, and a plurality of outlet holes may be defined on an outer surface of the second shaft section. The plurality of inlet holes may be in fluid communication with the first cavity and the plurality of outlet holes may be in fluid communication with the second cavity. The first cavity and the second cavity may form a passageway fluidly coupling the plurality of inlet holes and the plurality of outlet holes.


Find Patent Forward Citations

Griffin, Daniel. (2018). Compressor having hollow shaft (U.S. Patent No. 9879690). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9879690

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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