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Intake system for an internal combustion engine

A technology for engines and air intakes, which is applied in the field of air intake systems and can solve problems such as engine performance loss

Active Publication Date: 2017-08-15
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The downsized engine can use the legacy previous cylinder block and cylinder head with the same intake manifold as before or have a new intake manifold designed for the smaller engine, which may suffer from in-cylinder combustion Loss of engine performance due to changes in characteristics

Method used

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  • Intake system for an internal combustion engine
  • Intake system for an internal combustion engine
  • Intake system for an internal combustion engine

Examples

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Embodiment Construction

[0017] As required, detailed embodiments of the present disclosure are provided herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the disclosure and may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present disclosure.

[0018] figure 1 A schematic diagram of an internal combustion engine 20 is shown. Engine 20 has a plurality of cylinders 22 , one of which is shown. Engine 20 may have any number of cylinders 22 , including three, four, six, eight, or other numbers. The cylinders may be arranged in the engine in various configurations, such as a V-engine, inline engine, or other arrangements.

[00...

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PUM

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Abstract

An engine includes a cylinder head having a first face defining an entrance to an intake port, and an intake manifold having a second face defining an outlet from a runner. The first and second faces mate to fluidly connect the entrance and the outlet, and an area mismatch or offset exists between the entrance and the outlet. A tongue is positioned into the intake port to extend over a floor of the intake port and has an area substantially equal to a difference between the entrance area and the outlet area. The tongue maintains in-charge motion and mixing of intake gases in-cylinder in the engine.

Description

technical field [0001] Various embodiments relate to an air intake system for an internal combustion engine. Background technique [0002] Internal combustion engines include components such as cylinder blocks and cylinder heads, which are typically formed using casting, die casting, or other processes. These components and their manufacturing techniques often involve significant development, tooling time and costs. [0003] In some cases, it may be desirable to continue using these components while changing the basic engine configuration, for example by downsizing the engine to have a smaller displacement. The downsized engine can use the legacy previous cylinder block and cylinder head with the same intake manifold as before or have a new intake manifold designed for the smaller engine, which may suffer from in-cylinder combustion Changes in the characteristics result in a loss of engine performance. Contents of the invention [0004] In an example, an engine is provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/42F02M35/10F02M35/104
CPCF02F1/4235F02M35/10078F02M35/104F02B29/02F02M35/10314F02M35/10354Y02T10/12F02B31/04F02F1/24
Inventor 小特德·文森特·马尔布莱恩·大卫·诺茨
Owner FORD GLOBAL TECH LLC