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:
Feb. 22, 2022
Filed:
Aug. 19, 2020
Applicant:
Elliott Company, Jeannette, PA (US);
Inventors:
Klaus Brun, Export, PA (US);
Vishal Jariwala, Jeannette, PA (US);
Assignee:
Elliott Company, Jeannette, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 27/02 (2006.01); F04D 17/12 (2006.01); F04D 29/28 (2006.01); F04D 27/00 (2006.01);
U.S. Cl.
CPC ...
F04D 27/0215 (2013.01); F04D 17/12 (2013.01); F04D 17/122 (2013.01); F04D 27/009 (2013.01); F04D 27/0207 (2013.01); F04D 27/0246 (2013.01); F04D 29/284 (2013.01); F04D 29/441 (2013.01); F05D 2270/101 (2013.01);
Abstract
A turbomachine includes a casing having an inlet end opposite an outlet end along a longitudinal axis of the casing; a shaft assembly provided within the casing, the shaft assembly extending from the inlet end to the outlet end; a plurality of rotating impellers extending radially outward from the shaft assembly; and a communication channel defined between two adjacent impellers to permit a backflow of fluid from a diffuser channel of a downstream impeller to a return channel of an adjacent upstream impeller.