Internal combustion engine with turbocharger surge detection and control
US8161744B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2008 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Aug 30, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2039/168
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine includes a block defining a plurality of combustion cylinders, an intake manifold fluidly coupled with at least one combustion cylinder, and an exhaust manifold fluidly coupled with at least one combustion cylinder. An EGR valve may be fluidly coupled between the exhaust manifold and the intake manifold. A turbocharger includes a turbine fluidly coupled with the exhaust manifold, and a compressor fluidly coupled with the intake manifold. A microphone is positioned at the compressor inlet or the compressor outlet provides an output signal. An ECU is coupled with the microphone, and controls operation of an actuatable element of a VGT, an EGR valve, and/or an injected fuel quantity, to prevent surge of the compressor, dependent upon the output signal from the microphone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.