Rankine cycle condenser pressure control using an energy conversion device bypass valve
Abstract
The disclosure provides a waste heat recovery system and method in which pressure in a Rankine cycle (RC) system of the WHR system is regulated by diverting working fluid from entering an inlet of an energy conversion device of the RC system. In the system, an inlet of a controllable bypass valve is fluidly coupled to a working fluid path upstream of an energy conversion device of the RC system, and an outlet of the bypass valve is fluidly coupled to the working fluid path upstream of the condenser of the RC system such that working fluid passing through the bypass valve bypasses the energy conversion device and increases the pressure in a condenser. A controller determines the temperature and pressure of the working fluid and controls the bypass valve to regulate pressure in the condenser.
- Inventors:
- Issue Date:
- Research Org.:
- Cummins Intellectual Properties, Inc., Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1129089
- Patent Number(s):
- 8683801
- Application Number:
- 13/209,398
- Assignee:
- Cummins Intellectual Properties, Inc. (Minneapolis, MN)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01K - STEAM ENGINE PLANTS
- DOE Contract Number:
- FC26-05NT42419
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2011 Aug 13
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Ernst, Timothy C, Nelson, Christopher R, and Zigan, James A. Rankine cycle condenser pressure control using an energy conversion device bypass valve. United States: N. p., 2014.
Web.
Ernst, Timothy C, Nelson, Christopher R, & Zigan, James A. Rankine cycle condenser pressure control using an energy conversion device bypass valve. United States.
Ernst, Timothy C, Nelson, Christopher R, and Zigan, James A. Tue .
"Rankine cycle condenser pressure control using an energy conversion device bypass valve". United States. https://www.osti.gov/servlets/purl/1129089.
@article{osti_1129089,
title = {Rankine cycle condenser pressure control using an energy conversion device bypass valve},
author = {Ernst, Timothy C and Nelson, Christopher R and Zigan, James A},
abstractNote = {The disclosure provides a waste heat recovery system and method in which pressure in a Rankine cycle (RC) system of the WHR system is regulated by diverting working fluid from entering an inlet of an energy conversion device of the RC system. In the system, an inlet of a controllable bypass valve is fluidly coupled to a working fluid path upstream of an energy conversion device of the RC system, and an outlet of the bypass valve is fluidly coupled to the working fluid path upstream of the condenser of the RC system such that working fluid passing through the bypass valve bypasses the energy conversion device and increases the pressure in a condenser. A controller determines the temperature and pressure of the working fluid and controls the bypass valve to regulate pressure in the condenser.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 01 00:00:00 EDT 2014},
month = {Tue Apr 01 00:00:00 EDT 2014}
}
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