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vaporizer

A gasifier and damper technology, applied in the field of gasifiers, can solve problems such as damper dents, occupant's operating discomfort, etc., and achieve the effect of preventing discomfort

Inactive Publication Date: 2017-12-12
KEIHIN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when a metal guide pin is used, when the throttle valve rotates and touches the guide pin, a dent is generated on the throttle valve.
Therefore, when the throttle valve is moved, the dent and the guide pin interfere with each other to give the occupant an operational discomfort.

Method used

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Embodiment Construction

[0020] Hereinafter, one embodiment of the vaporizer of the present invention will be described with reference to the drawings. In addition, in the following drawings, the scale of each member is appropriately changed in order to form each member in a recognizable size.

[0021] figure 1 It is a partially cutaway perspective view of the vaporizer 1 of this embodiment. in addition, figure 2 It is an enlarged vertical cross-sectional view mainly of a valve unit 4 described later included in the vaporizer 1 of the present embodiment. In addition, in figure 1 Here, illustration of a return spring 4e and a cover 4d to be described later is omitted.

[0022] The carburetor 1 of this embodiment has an intake body 2 , a floating portion 3 , a valve portion 4 , a mouth portion 5 , and an idle adjustment bolt 6 . In addition, the vaporizer 1 of the present embodiment is a so-called piston valve type vaporizer.

[0023] The intake body 2 is a cylindrical part with an intake passage...

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PUM

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Abstract

The invention provides a gasifier. The gasifier of the present invention has: a throttle valve provided reciprocally movably in a valve barrel and formed with a slit extending in a reciprocating direction; a guide pin fixed to the valve barrel and inserted into the valve barrel. The damper is guided through the slit; the anti-misassembly pin is fixed on the valve cylinder and specifies the positional relationship between the valve cylinder and the damper during assembly. The guide pin and the misassembly prevention pin are formed of a material harder than the damper. The erroneous assembly preventing pin is arranged offset from the guide pin in a reciprocating direction of the throttle valve, and is provided at a position inserted into the slit regardless of a reciprocating position of the throttle valve.

Description

technical field [0001] The present invention relates to gasifiers. Background technique [0002] A motorcycle or the like is provided with a carburetor that generates premixed gas to be supplied to the engine. [0003] For example, in a piston valve type vaporizer, as shown in Patent Document 1 (JP 2011-33010 A), a valve cylinder is protrudingly attached to an intake main body provided with an intake passage, The opening ratio of the intake passage is adjusted by a throttle valve reciprocally movable inside the valve barrel, thereby adjusting the amount of premixed gas produced. [0004] However, in the piston valve type carburetor, it is necessary to suppress the rotation of the throttle valve in the valve barrel when viewed from the reciprocating direction. In other words, it is necessary to prevent the damper from rotating around its axis. For example, as shown in Patent Document 1, in a piston valve type carburetor, there is an idle adjustment bolt for specifying the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M25/08
Inventor 赤羽根明
Owner KEIHIN CORP