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Supercharger exhaust bypass

A turbocharger and bypass valve technology, which is applied in exhaust devices, exhaust treatment, and electronic control of exhaust treatment devices, can solve problems such as fuel economy decline and fuel consumption increase

Inactive Publication Date: 2018-12-11
EATON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will cause an increase in fuel usage and a decrease in fuel economy

Method used

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  • Supercharger exhaust bypass
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Embodiment Construction

[0018] Reference will now be made in detail to the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0019] figure 1 One example of a supercharger exhaust bypass system 10 is shown. The supercharger 100 may supply variable air to the vehicle's engine 120 by pressurizing intake air above atmospheric pressure. This allows the engine to have a greater mass of oxygen available for combustion per cycle. Supercharger 100 may be sized based on air flow requirements. In some embodiments, the supercharger 100 is sized to have a capacity greater than the engine air flow demand under all engine operating conditions such that there is always an oversupply of compressed air from the supercharger 100 . In other embodiments, the supercharger 100 is sized to have a peak capacity commensurate with the maximum engine air flow demand. Such a small size supercharger arrangement does not oversupply a...

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Abstract

A supercharger exhaust bypass system, comprises a supercharger comprising an inlet and outlet, a bypass valve connected to the supercharger outlet, a first intercooler connected to receive compressed air from the outlet of the supercharger and connected to cool and expel air, a second intercooler comprising an envelope inlet, an exhaust inlet, an exhaust outlet, an exhaust passage between the exhaust inlet and the exhaust outlet, and an envelope connected to the envelope inlet and surrounding the exhaust passage, an engine system connected to receive expelled air from the first intercooler and further connected to output exhaust to the exhaust inlet of the second intercooler, and a bypass conduit connected to the bypass valve and connected to the envelope inlet.

Description

[0001] This application claims priority to US Provisional Patent Application 61 / 870,487, filed August 27, 2013, and US Provisional Patent Application 61 / 837,700, filed June 21, 2013, the entire contents of which are incorporated herein by reference. technical field [0002] The present invention generally relates to an exhaust cooling system. More specifically, the invention relates to a combustion system for a vehicle in which compressed air from a supercharger is diverted to the cooling jacket of an intercooler for cooling the combustion exhaust prior to the catalyst. Background technique [0003] Vehicles such as cars, trucks or work machines use superchargers to increase the efficiency of the engine and increase engine power. A supercharger is a device that pressurizes the intake air above atmospheric pressure. By pressurizing air, a supercharger makes a greater mass of oxygen available for combustion with each cycle of the engine. More specifically, more fuel is requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B33/00F02B39/00F02M26/02F02M26/22F01N11/00F01N9/00
CPCF01N3/103F01N3/206F01N5/00F02B29/04F02B37/164F02B2037/122F02M26/03F02M26/06F02M26/22F02M26/23F02M35/10386F02M26/02F02M26/47Y02T10/12
Inventor R·D·切哈恩斯基
Owner EATON CORP