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Engine System With Exhaust-Cooled Fuel Processor

a fuel processor and engine technology, applied in the field of engine systems, to achieve the effect of reducing the regulated emissions

Inactive Publication Date: 2012-11-29
NEELS JACOBUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0025](b) directing at least a portion of the engine exhaust stream to at least one exhaust after-treatment device in the exhaust after-treatment assembly for reducing regulated emissions in the engine exhaust stream;

Problems solved by technology

For example, it may be limited to lean burn engine systems where a sufficient level of oxygen is present in the exhaust stream over a large portion of the operating range of the engine; and / or(d) The fuel processor can be operated only when the engine is producing an exhaust stream.

Method used

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  • Engine System With Exhaust-Cooled Fuel Processor
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  • Engine System With Exhaust-Cooled Fuel Processor

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Embodiment Construction

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[0037]In embodiments of the present system and method, in which an engine system comprises a fuel processor, such as a syngas generator, the fuel processor further comprising a housing is located within an engine exhaust stream conduit so that so that during operation of the engine, heat transfer between the fuel processor and the engine exhaust stream occurs. However, the interior reaction chamber of the fuel processor is substantially enclosed in a housing and is not fluidly connected to receive engine exhaust directly from the engine exhaust stream conduit, but rather is supplied with an oxidant reactant stream from another source separate from the exhaust stream of the engine, for example, a blower, air compressor, or engine air intake manifold, or from a supercharger or turbo-compressor of an engine. The fuel processor produces a product stream including, for example, a hydrogen-containing gas stream, syngas stream or flue gas stream, and / or sensible heat that can be beneficia...

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Abstract

An engine system comprises a fuel processor that is supplied with air and a fuel stream to produce a hydrogen-containing gas stream. The fuel processor comprises a housing, and at least a portion of the housing is located within an exhaust stream conduit from the engine. During operation of the engine, heat transfer between the fuel processor and the engine exhaust stream occurs. An exhaust after-treatment assembly is located downstream of the fuel processor and is connected to selectively receive hydrogen-containing gas stream from the fuel processor.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS(S)[0001]This application is a continuation of International Application No. PCT / CA2010 / 002080, having an international filing date of Dec. 24, 2010, entitled “Engine System With Exhaust-Cooled Fuel Processor”. The '080 international application claimed priority benefits, in turn, from U.S. Provisional Patent Application Ser. No. 61 / 291,727 filed Dec. 31, 2009, also entitled “Engine System with Exhaust-Cooled Fuel Processor”. The '080 international application is hereby incorporated by reference herein in its entirety.FIELD OF THE INVENTION[0002]The present invention relates to engine systems that include a fuel processor, and methods of operating engine systems that include a fuel processor for producing a hydrogen-containing gas stream, such as a syngas stream. The present apparatus and methods are particularly applicable to engine system applications where a hydrogen-containing gas is required, reduced fuel consumption is desired, and space ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F01N3/00
CPCF01N3/021F01N3/0807F01N3/2066Y02T10/121F01N2240/30F02M25/12F01N5/02Y02T10/12
Inventor NEELS, JACOBUS
Owner NEELS JACOBUS