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Idle speed flow regulating valve

A technology of flow regulating valve and idle speed, which is applied in the direction of liquid fuel feeder, low-pressure fuel injection, low-pressure fuel injection, etc., can solve the problems that the feedback control of the intake pressure sensor cannot be realized, and the control method is not suitable, so as to reduce the coaxial Requirements for high degree, reduce the minimum flow, reduce the effect of leakage flow

Inactive Publication Date: 2009-11-18
塞尔福(厦门)工业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 3. It is not suitable for the control method of the engine management system, and cannot realize the feedback control of the intake air pressure sensor (MAP), such as JP-A-09-177642

Method used

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  • Idle speed flow regulating valve
  • Idle speed flow regulating valve
  • Idle speed flow regulating valve

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Embodiment Construction

[0030] From figure 1 To (a) to (c) in Figure 4: In the figure: 1-valve seat, 2-spool, 3-pressure spring, 4-sealing ring, 5-drive motor, 6-housing, 7-positioning sleeve , 8-spring seat, 9-intake hole, 10-axis center hole, 11-connector, 12-air outlet, 13-rotating shaft, 14-reducer, 15-seat surface.

[0031] The idling flow regulating valve shown in the drawings includes a valve seat 1, a valve core 2 and a drive motor 5. An air outlet 12 is provided on the valve seat 1. The air outlet 12 can be a hole of any shape or an arc-shaped groove.

[0032] The valve seat 1 is the seat surface of an approximate barrel-shaped valve seat, and the seat surface is located on the bottom surface of the barrel-shaped body. The valve core 2 is sealed and fitted with the seat surface of the valve seat. The degree of cooperation should achieve sealing and flexible rotation.

[0033] The seat surface is an approximate plane, and the movement of the valve core 2 is limited to the plane where the va...

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Abstract

An idle speed flow regulating valve, which includes a valve seat and a valve core, the valve seat includes a seat surface, the valve seat is an approximate barrel-shaped body, the seat surface is located on the bottom surface of the barrel-shaped body, and the seat surface is an approximate plane, The movement of the spool is limited to the plane of the seat. The connector is located in the shaft center hole, and the rotating shaft limits the valve core to the seat surface of the valve seat, so that the valve core rotates in the plane where the seat surface is located, and the contour of the valve core is linear to the opening area between the air outlet hole of the valve seat. Therefore, linear flow adjustment can be realized, and the flow adjustment range can be changed by changing the opening area of ​​the above-mentioned flow channel. Compared with the prior art, the invention has the advantages of simple structure, small axial size, good stability, high reliability, high linearity of flow regulation, and automatic wear compensation can be realized.

Description

technical field [0001] The invention belongs to the technical field of engines, and in particular relates to an idle speed control valve of an engine management system. Background technique [0002] The correct idle speed of the EFI engine is guaranteed by the electronically controlled idle speed control valve. ECU adjusts the idle speed control valve through calculation according to the engine speed, temperature, throttle switch and air conditioner and other signals. When the idle speed is lower than the set speed value, the computer instructs the idle speed control valve to open the intake bypass channel or directly increase the opening of the throttle valve to increase the intake air volume to increase the engine idle speed. When the idle speed is higher than the set speed value, the computer instructs the idle speed control valve to close the intake bypass passage to minimize the intake air and reduce the engine speed. According to the principle of engine idle speed st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M69/32F02D41/08F02D41/16F02D9/02
Inventor 郗大光金中国
Owner 塞尔福(厦门)工业有限公司
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