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Intake systems for internal combustion engines

A technology of engine and air intake, which is applied in the field of air intake system, can solve problems such as engine performance loss, and achieve the effect of increasing air intake speed

Active Publication Date: 2021-04-30
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 systems for internal combustion engines
  • Intake systems for internal combustion engines
  • Intake systems for internal combustion engines

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

The invention discloses an intake system for an internal combustion engine. The engine includes a cylinder head having a first face defining an inlet of an intake passage and an intake manifold having a second face defining an outlet of a runner. The first and second faces cooperate to fluidly communicate the inlet and the outlet, and there is an area mismatch or offset between the inlet and the outlet. A tongue is arranged in the air intake to extend over the bottom of the air intake, and the tongue has an area substantially equal to the difference between the area of ​​the inlet and the area of ​​the outlet. The tabs keep the charge moving and mixing the air in the cylinders 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 Patents(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