CROSSOVER EXHAUST DUCT
First Claim
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2-1. The crossover of claim 2 further including:
- a exhaust gas recirculation (EGR) circuit fluidly coupled to the front manifold.
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Abstract
A crossover for ducting exhaust produced by an engine. The crossover includes a front inside passage and rear outside passage. The front inside passage is configured to direct exhaust from one or more cylinders associated with a front of the engine to an inside volute of a turbocharger turbine. The rear outside passage is configured to direct exhaust from one or more cylinders associated with a rear of the engine to an outside volute of the turbocharger turbine. The inside volute is closer to the rear of the engine than the outside volute is.
18 Citations
20 Claims
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2-1. The crossover of claim 2 further including:
a exhaust gas recirculation (EGR) circuit fluidly coupled to the front manifold.
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8. A power system comprising:
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an engine producing exhaust from one or more cylinders; a turbocharger fluidly coupled to the engine, the turbocharger including; a compressor; a turbine inside volute; and a turbine outside volute; and a crossover exhaust duct including; a front inside passage configured to direct exhaust from one or more cylinders associated with a front of the engine to the inside volute; a rear outside passage configured to direct exhaust from one or more cylinders associated with a rear of the engine to the outside volute; and wherein the front inside passage crosses the rear outside passage. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of directing exhaust produced from an engine comprising:
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passing exhaust through a front inside passage associated with a front of the engine to an inside volute of a turbocharger turbine; and passing exhaust through a rear outside passage associated with a rear of the engine to an outside volute of the turbocharger turbine; wherein the inside volute is closer to the rear of the engine than the outside volute. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification