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:
Jul. 31, 2018
Filed:
Apr. 17, 2015
Caterpillar Inc., Peoria, IL (US);
David E. Hackett, Washington, IL (US);
Scott F. Shafer, Morton, IL (US);
Caterpillar Inc., Deerfield, IL (US);
Abstract
A pump includes a housing having an internal surface defining a volute configured to receive a pump impeller therein, an extension tube fluidly coupled to the volute, a wall of the extension tube having an internal surface disposed opposite an external surface, and a bonnet having an internal surface defining a first inlet aperture and a second inlet aperture therethrough, the first inlet aperture and the second inlet aperture being in fluid communication with the volute via the extension tube. The internal surface of the bonnet and the external surface of the extension tube define a bonnet flow path therebetween, the first inlet aperture of the bonnet being in fluid communication with the volute via the bonnet flow path.