Internal combustion engine system having a power turbine with a broad efficiency range
Abstract
An engine system incorporating an air breathing, reciprocating internal combustion engine having an inlet for air and an exhaust for products of combustion. A centripetal turbine receives products of the combustion and has a housing in which a turbine wheel is rotatable. The housing has first and second passages leading from the inlet to discrete, approximately 180.degree., portions of the circumference of the turbine wheel. The passages have fixed vanes adjacent the periphery of the turbine wheel and the angle of the vanes in one of the passages is different than those in the other so as to accommodate different power levels providing optimum approach angles between the gases passing the vanes and the blades of the turbine wheel. Flow through the passages is controlled by a flapper valve to direct it to one or the other or both passages depending upon the load factor for the engine.
- Inventors:
- Issue Date:
- Research Org.:
- Deere & Co., Moline, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1176225
- Patent Number(s):
- 7694518
- Application Number:
- 11/838,645
- Assignee:
- Deere & Company (Moline, IL)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
- DOE Contract Number:
- FC26-05NT42422
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2007 Aug 14
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 33 ADVANCED PROPULSION SYSTEMS
Citation Formats
Whiting, Todd Mathew, and Vuk, Carl Thomas. Internal combustion engine system having a power turbine with a broad efficiency range. United States: N. p., 2010.
Web.
Whiting, Todd Mathew, & Vuk, Carl Thomas. Internal combustion engine system having a power turbine with a broad efficiency range. United States.
Whiting, Todd Mathew, and Vuk, Carl Thomas. Tue .
"Internal combustion engine system having a power turbine with a broad efficiency range". United States. https://www.osti.gov/servlets/purl/1176225.
@article{osti_1176225,
title = {Internal combustion engine system having a power turbine with a broad efficiency range},
author = {Whiting, Todd Mathew and Vuk, Carl Thomas},
abstractNote = {An engine system incorporating an air breathing, reciprocating internal combustion engine having an inlet for air and an exhaust for products of combustion. A centripetal turbine receives products of the combustion and has a housing in which a turbine wheel is rotatable. The housing has first and second passages leading from the inlet to discrete, approximately 180.degree., portions of the circumference of the turbine wheel. The passages have fixed vanes adjacent the periphery of the turbine wheel and the angle of the vanes in one of the passages is different than those in the other so as to accommodate different power levels providing optimum approach angles between the gases passing the vanes and the blades of the turbine wheel. Flow through the passages is controlled by a flapper valve to direct it to one or the other or both passages depending upon the load factor for the engine.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 13 00:00:00 EDT 2010},
month = {Tue Apr 13 00:00:00 EDT 2010}
}
Works referenced in this record:
Development of VFT (Variable Flow Turbocharger)
conference, March 1999
- Kawaguchi, Jun; Adachi, Kazunari; Kono, Shinji
- International Congress & Exposition, SAE Technical Paper Series