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Integrated plastic throttle body, electronic control unit, and sensors for small engine

A throttle body, electronic control technology, used in engine control, machine/engine, mechanical equipment, etc., can solve problems such as poor packaging, inability to make full use of design space, and limited complex maintenance.

Inactive Publication Date: 2012-09-26
VISTEON GLOBAL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in poor packaging of the engine, EFI system components and / or overall product application
[0005] Furthermore, existing engine control systems for small engines are too costly for application in emerging markets
Individually packaged components do not fully utilize design space and often result in complex and service-limited access

Method used

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  • Integrated plastic throttle body, electronic control unit, and sensors for small engine
  • Integrated plastic throttle body, electronic control unit, and sensors for small engine
  • Integrated plastic throttle body, electronic control unit, and sensors for small engine

Examples

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Embodiment Construction

[0023] The following detailed description and accompanying drawings describe and illustrate various embodiments of the invention. The description and drawings are intended to enable those skilled in the art to make and use the invention and are not intended to limit the scope of the invention in any way. With respect to the disclosed methods, the steps presented are exemplary in nature, and thus, the order of the steps is not necessary or critical.

[0024] Figure 1-Figure 6 A throttle body assembly 10 of an internal combustion engine (not shown) according to an embodiment of the present invention is shown. As shown, the throttle body assembly 10 includes a throttle body 12 , an electronic control unit (ECU) 14 and a throttle bracket 16 .

[0025] The throttle body 12 is typically a mechanical throttle body made of plastic (eg, injection molded). However, the throttle body 12 can be formed from other materials using other forming processes as will be understood by those sk...

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PUM

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Abstract

The invention relates to an integrated plastic throttle body, electronic control unit, and sensors for small engine. The electronic control assembly for a throttle body includes a lower housing portion having a plurality of apertures formed therethrough, a circuit board disposed adjacent at least a portion of the lower housing portion, a pressure sensor disposed adjacent the lower housing portion and electrically coupled to the circuit board, wherein a sensing portion of the pressure sensor extends into a first one of the apertures formed in the lower housing portion, a temperature sensor disposed adjacent the lower housing portion and electrically coupled to the circuit board, wherein a sensing portion of the temperature sensor extends into a second one of the apertures formed in the lower housing portion, and an upper housing portion coupled to the throttle body and cooperating with the lower housing portion to substantially enclose the circuit board, the pressure sensor, and the temperature sensor.

Description

technical field [0001] The present invention generally relates to an electronic control unit for a throttle body of an engine. In particular, the present invention relates to a throttle body assembly comprising an integrated electronic control unit and a mechanical throttle body. Background technique [0002] Typically, an electronic fuel injection system EFI of an internal combustion engine has a throttle body for controlling the amount of air flowing through the bonnet intake valve and into the combustion chamber of the engine. At least one fuel injector of the EFI injects fuel directly into the throttle body or alternatively into the piston cylinder to mix with intake air flowing through the throttle body. A spark plug or ignition system then ignites the resultant fuel-air mixture within the combustion chamber. Operation and sequential timing of each of these components is dictated by various engine operating parameters. Therefore, various sensors are required to provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D9/08
CPCF02D9/105F02D9/10F02D9/08F02D9/1065F02D2009/0294
Inventor M·勒梅查D·M·吉特森-杰特T·E·布雷费尔德R·E·贝尔克G·斯普林T·乔伊斯
Owner VISTEON GLOBAL TECH INC
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