U.S. Department of EnergyOffice of Scientific and Technical Information
Waste heat recovery system for recapturing energy after engine aftertreatment systems
Abstract
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:
- Publication Date:
- Research Org.:
- Cummins Intellectual Properties, Inc., Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1134314
- Patent Number(s):
- 8,752,378
- Application Number:
- 13/206,386
- Assignee:
- Cummins Intellectual Properties, Inc. (Minneapolis, MN)
- DOE Contract Number:
- FC26-05NT42419
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2011 Aug 09
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
Citation Formats
Ernst, Timothy C., and Nelson, Christopher R. Waste heat recovery system for recapturing energy after engine aftertreatment systems. United States: N. p., 2014.
Web.
Ernst, Timothy C., & Nelson, Christopher R. Waste heat recovery system for recapturing energy after engine aftertreatment systems. United States.
Ernst, Timothy C., and Nelson, Christopher R. 2014.
"Waste heat recovery system for recapturing energy after engine aftertreatment systems". United States. https://www.osti.gov/servlets/purl/1134314.
@article{osti_1134314,
title = {Waste heat recovery system for recapturing energy after engine aftertreatment systems},
author = {Ernst, Timothy C. and Nelson, Christopher R.},
abstractNote = {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.},
doi = {},
url = {https://www.osti.gov/biblio/1134314},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 17 00:00:00 EDT 2014},
month = {Tue Jun 17 00:00:00 EDT 2014}
}
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