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Non-contact electronic throttle

An electronic throttle valve, non-contact technology, applied in electrical control, fuel injection control, engine control and other directions, can solve the problems of difficult to meet the processing level, high requirements on the installation accuracy of the throttle, difficult to process with high precision, etc. Accuracy, reduce machining accuracy and prolong service life

Inactive Publication Date: 2010-11-24
NANJING AOLIAN AE&EA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing electronic throttle damper and the air duct of the housing require high machining accuracy, and the installation accuracy of the damper at the idle position is very high. The existing domestic processing level is difficult to meet, or it is difficult to achieve high-precision machining in large quantities.

Method used

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Embodiment Construction

[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0027] Such as Figure 1 to Figure 6 The present invention shown comprises casing 15, the drive motor that is fixed in casing 15 and damper shaft 7 and the angular displacement sensor that is installed on the casing 15, what drive motor adopted is DC motor 20, and damper 17 is fixed on damper by screw. On the shaft 7 , the damper 17 can rotate in the air duct of the housing 15 . On the position relative to the angular displacement sensor on the throttle shaft 7, a magnet seat 5 is fixed by a pin 6, and the DC motor 20 is connected with a secondary gear reduction mechanism, and the DC motor 20 drives the damper shaft 7 to rotate through the secondary gear reduction mechanism.

[0028] A magnet as an insert is injected into the magnet seat 5, which...

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PUM

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Abstract

The invention discloses a non-contact electronic throttle. The electronic throttle comprises a casing, and a driving motor and air door which are arranged in the casing, wherein the air door is arranged in the casing through an air door shaft; the casing is provided with an angle displacement sensor used for feeding back the position of the air door; the air door shaft is provided with a magnet base corresponding to the angle displacement sensor; the inside of the magnet base is provided with a magnet; and the driving motor is connected with the air door shaft through a gear speed-reducing mechanism. When the non-contact electronic throttle is used, electrical wear can not be caused and the phenomenons of poor contact, signal deviation and the like can not be generated; and the electronic throttle has the advantages of long service life and the like. By designing an idle adjusting screw, the machining accuracies of the air door and the air duct of the casing are reduced, the installation accuracy of the air door in the idle position is reduced and the cost is saved.

Description

technical field [0001] The invention relates to an electronic throttle, in particular to a non-contact electronic throttle, which belongs to the technical field of automobile manufacturing. Background technique [0002] The sustainable development of the national economy requires a good environment, and the use of a large number of motor vehicles produces a lot of toxic and harmful emissions. Therefore, the National IV emission standards require further reduction of motor vehicle exhaust emissions. It is one of the effective ways to reduce the exhaust emission of motor vehicles by precisely controlling the air intake of the engine to make the fuel burn more fully and thoroughly. [0003] The throttle valve is a key component that controls the intake air of the engine. The traditional mechanical throttle valve is connected to the accelerator pedal by a wire drawing structure, and the driver steps on the accelerator pedal to pull the damper shaft of the throttle valve to cont...

Claims

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Application Information

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IPC IPC(8): F02D9/10F02D41/00
Inventor 孙荣飞刘军胜黄文龙王如凯
Owner NANJING AOLIAN AE&EA
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