Michael N Hays

US Patent:

20180179938, Jun 28, 2018

Filed:

Dec 19, 2017

Appl. No.:

15/846860

Inventors:

- Columbus IN, US
Bradlee J. Stroia - West Granby CT, US
Stephen M. Holl - Columbus IN, US
Richard Davis Thomas - North Vernon IN, US
Michael Hays - Columbus IN, US

Assignee:

Cummins Emission Solutions Inc. - Columbus IN

International Classification:

F01N 3/20
F01N 3/28

Abstract:

An injector includes a needle and a body. The needle is configured to receive fluid from a fluid supply and operable between a first position, in which the fluid is not provided to a target, and a second position, in which the fluid is provided to the target. The needle includes a first needle bore, a second needle bore, and a first connector. The first needle bore is configured to receive fluid from the fluid supply. The second needle bore is aligned with the first needle bore and configured to provide fluid to the fluid supply. The first connector is in fluid communication with the second needle bore. The body includes an end, a first body bore, and a second body bore. The first body bore is configured to receive the needle. The second body bore is positioned to be contiguous with the end.