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Throttling device

A technology of throttling devices and throttle valves, which is applied to fuel injection devices, charging systems, machines/engines, etc., and can solve problems such as idling adjustment valve man-hours or increased manufacturing costs

Active Publication Date: 2022-07-22
MIKUNI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, there is a concern that readjustment of the idling adjustment valve or cleaning by removal, etc. are required
[0007] In addition, since various passages are formed in the idling control valve, man-hours and manufacturing costs for quality control of the idling control valve increase.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0058] Below, while referring to Figure 1 to Figure 11 , an embodiment of the present invention will be described.

[0059] like figure 1 As shown, the throttle device 1 of the present embodiment is mounted in the middle of the intake pipe 5 on the downstream side of the air cleaner 4 in the intake system 3 mounted on the engine 2 of a motorcycle or the like.

[0060] The throttle device 1 includes: a main body 10 , a valve shaft 20 , a throttle valve 30 , an adjustment screw 40 screwed with the main body 10 , and a solenoid valve 50 installed on the main body 10 .

[0061] Here, the valve shaft 20 is appropriately rotationally driven by the drive source 6 provided adjacent to the throttle device 1 in accordance with the control signal of the control unit 7 .

[0062] In addition, according to the control signal of the control unit 7, the duty control of the solenoid valve 50 is suitably performed.

[0063] The body 10 is formed of a metal material such as aluminum, and in...

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PUM

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Abstract

The throttle device of the present invention comprises: a throttle valve (30) for opening and closing a main channel (12); a body (10) having a main channel (12) and a secondary channel (14) bypassing the throttle valve (30) and an adjusting screw (40), which is screwed with the main body (10) in order to adjust the passage area of ​​the auxiliary passage (14); The impingement wall (16) is formed in an inwardly protruding manner and causes the fluid to impinge. According to the above-mentioned throttle device, the foreign matter mixed with the intake air can be caught on the upstream side of the adjustment screw, and the initial setting of the adjustment screw can be maintained for a long period of time.

Description

technical field [0001] The present invention relates to a throttle device arranged in an intake system of an engine mounted on a motorcycle or the like, and more particularly, to a throttle device including an adjustment screw for idling adjustment in a secondary passage bypassing the throttle valve. Background technique [0002] As a conventional throttle device, an engine idling adjustment device is known, which includes a body defining an intake passage, a throttle valve that opens and closes the intake passage, and is formed in the body so as to bypass the throttle valve. The bypass channel of the bypass channel is screwed into the nearest downstream of the metering hole of the bypass channel to adjust the flow rate. An internal termination hole, a plurality of through holes connecting the termination hole and the metering groove, and a foreign matter accumulation portion formed in the termination hole further back than the through hole (for example, refer to Patent Docu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D9/02F02M69/32
CPCF02D9/02F02M69/32
Inventor 関口眞一川口裕美北冈竜也
Owner MIKUNI CORP
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