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.

Date of Patent:
Oct. 03, 2017

Filed:

Apr. 25, 2013
Applicant:

International Engine Intellectual Property Company, Llc, Lisle, IL (US);

Inventor:

Michael James Miller, Mt. Prospect, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 11/00 (2013.01); F01N 2550/14 (2013.01); F01N 2610/02 (2013.01); F01N 2610/06 (2013.01); F01N 2900/0422 (2013.01); F01N 2900/0601 (2013.01); F01N 2900/1812 (2013.01); Y02T 10/24 (2013.01); Y02T 10/47 (2013.01);
Abstract

A flow manifold system for injecting a first gas into a second gas, such as, for example, a system for injecting ammonia gas into the exhaust gas of an internal combustion engine. The first gas may be supplied to the system by one or more cartridges. The system may also include a control valve that is configured to control the delivery of the first gas to the least one critical flow orifice. The critical flow orifice is configured to allow for a relatively constant volumetric flow of the first gas through the critical flow orifice when the first gas attains a critical flow. Such critical flow may allow for an accurate estimation of the flow of the first gas through the critical orifice, and subsequently to the second gas, without the use of a flow sensor.


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Miller, Michael. (2017). Nh3 flow measurement (U.S. Patent No. 9777610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9777610

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