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Title: Waste heat recovery system for recapturing energy after engine aftertreatment systems

The disclosure provides a waste heat recovery (WHR) system including a Rankine cycle (RC) subsystem for converting heat of exhaust gas from an internal combustion engine, and an internal combustion engine including the same. The WHR system includes an exhaust gas heat exchanger that is fluidly coupled downstream of an exhaust aftertreatment system and is adapted to transfer heat from the exhaust gas to a working fluid of the RC subsystem. An energy conversion device is fluidly coupled to the exhaust gas heat exchanger and is adapted to receive the vaporized working fluid and convert the energy of the transferred heat. The WHR system includes a control module adapted to control at least one parameter of the RC subsystem based on a detected aftertreatment event of a predetermined thermal management strategy of the aftertreatment system.
Inventors:
;
Issue Date:
OSTI Identifier:
1134314
Assignee:
Cummins Intellectual Properties, Inc. (Minneapolis, MN) NETL
Patent Number(s):
8,752,378
Application Number:
13/206,386
Contract Number:
FC26-05NT42419
Resource Relation:
Patent File Date: 2011 Aug 09
Research Org:
Cummins Intellectual Properties, Inc., Minneapolis, MN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

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