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US 2014/0230800 A1Published application
Air turbine driven egr pump for diesel engines
AssigneeAVL Powertrain Engineering, Inc.
InventorGary Hunter
Life of this patent
Estimating the term…
Abstract
A power plant is provided and may include an exhaust gas recirculation passage and a turbo machine having a first turbine rotationally coupled to a pump. The first turbine may include an expanded air passage. The pump may be arranged in the exhaust gas recirculation passage. A pre-cooler may be arranged in the expanded air passage and in the exhaust gas recirculation passage upstream from the pump.
Claims19
A power plant comprising:
- an exhaust gas recirculation passage;
- a first turbo machine including a first turbine rotationally coupled to a pump, the first turbine having an expanded air passage, and the pump arranged in the exhaust gas recirculation passage;
- and
- a pre-cooler arranged in the expanded air passage and in the exhaust gas recirculation passage upstream from the pump.
1 more element
A power plant comprising:
- an engine;
- a first turbo machine including a first turbine rotationally coupled to a compressor, the first turbine receiving exhaust gas from the engine and producing compressed air;
- a second turbo machine including a second turbine rotationally coupled to a pump, the second turbine receiving the compressed air from the first turbo machine and producing expanded air;
- and
- a pre-cooler arranged downstream from the second turbine and upstream from the pump, the pre-cooler receiving the expanded air from the second turbine.
2 more elements
Dependencies are inferred from the claim text.