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. 25, 2017
Filed:
Dec. 03, 2010
Applicants:
Giusepe Sassanelli, Florence, IT;
Manuele Bigi, Calenzano, FR;
Suresh Devanbu, Bangalore Karnataka, IN;
Inventors:
Giusepe Sassanelli, Florence, IT;
Manuele Bigi, Calenzano, FR;
Suresh Devanbu, Bangalore Karnataka, IN;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/58 (2006.01); F04D 29/12 (2006.01); F04D 29/62 (2006.01); F04D 17/12 (2006.01);
U.S. Cl.
CPC ...
F04D 29/584 (2013.01); F04D 17/125 (2013.01); F04D 29/124 (2013.01); F04D 29/624 (2013.01);
Abstract
A compressor end head for providing a thermal barrier near a mechanical seal includes an inner end head and an outer end head. The outer end head includes an opening in the center for enclosing the inner end head, an outlet and grooves alongside surfaces radially adjacent the opening. The inner end head has an opening in the center, an inlet, grooves in the opening for enclosing an end portion of a compressor shaft and a flow path along an outer surface.