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:
Dec. 31, 2019
Filed:
Mar. 17, 2017
Applicant:
Nuovo Pignone Tecnologie Srl, Florence, IT;
Inventors:
Assignee:
Nuovo Pignone Tecnologie Srl, Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/12 (2006.01); F04D 17/12 (2006.01); F04D 29/10 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F04D 17/122 (2013.01); F04D 29/102 (2013.01); F04D 29/4206 (2013.01); F04D 29/624 (2013.01);
Abstract
A compressor end head for providing a thermal barrier to a mechanical seal includes an inner end head having an inner end head opening, inner end head grooves in the inner end head opening, configured to place and seal an end portion of a compressor shaft; and an outer end head having an outer end head opening configured to enclose the inner end head.