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. 13, 2016
Filed:
Mar. 22, 2012
Keith E. Wright, Chatham, GB;
Michael Peter Cooke, Gillingham, GB;
David W. Needham, Maidstone, GB;
Martin Paul Hardy, Gillingham, GB;
Keith E. Wright, Chatham, GB;
Michael Peter Cooke, Gillingham, GB;
David W. Needham, Maidstone, GB;
Martin Paul Hardy, Gillingham, GB;
Delphi International Operations Luxembourg S.A.R.L., Luxembourg, LU;
Abstract
A pump assembly having improved cooling for use in a selective catalytic reduction system is disclosed. The pump assembly comprises a pump housing having a body portion and a nozzle portion extending from the body portion, a jacket including a cavity for receiving the pump housing, first and second ports for cooling fluid, and a flow guide disposed between the jacket and the pump housing. The cavity includes a first compartment for cooling fluid defined in part by the flow guide and in part by the pump housing and being in fluid communication with the first port; and a second compartment for cooling fluid defined in part by the flow guide and in part by the jacket. The first compartment is in fluid communication with the second port by way of the second compartment.