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. 01, 2022
Filed:
Oct. 12, 2018
Applicant:
Aerojet Rocketdyne, Inc., Sacramento, CA (US);
Assignee:
Aerojet Rocketdyne, Inc., Canoga Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/52 (2006.01); F04D 29/42 (2006.01); F04D 29/68 (2006.01);
U.S. Cl.
CPC ...
F04D 29/52 (2013.01); F04D 29/4293 (2013.01); F04D 29/688 (2013.01); F05D 2250/50 (2013.01);
Abstract
A pump includes an axial inducer. The axial inducer includes a housing that has an internal surface that defines an axial fluid passage. A rotor is disposed about a central axis in the fluid passage. The rotor includes at least one blade that defines at least one blade tip. The internal surface of the housing defines a plurality of grooves adjacent the at least one blade tip. The grooves are elongated in a circumferential direction.