JPS61190456U - - Google Patents

Info

Publication number
JPS61190456U
JPS61190456U JP7427185U JP7427185U JPS61190456U JP S61190456 U JPS61190456 U JP S61190456U JP 7427185 U JP7427185 U JP 7427185U JP 7427185 U JP7427185 U JP 7427185U JP S61190456 U JPS61190456 U JP S61190456U
Authority
JP
Japan
Prior art keywords
fuel
chamber
operating
passage
membrane type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7427185U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7427185U priority Critical patent/JPS61190456U/ja
Publication of JPS61190456U publication Critical patent/JPS61190456U/ja
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの考案の膜式気化器の好ましい実施
態様を説明するために要部を断面で示した略図で
、第2図は従来のこの種の膜式気化器を示す第1
図に該当する略図。第3図はこの考案の燃料室と
主燃料通路を連絡する燃料排出通路に設けた弁装
置が閉塞状態にされた場合を示す部分断面図であ
る。 図における主な参照数字は次の通りである。1
0……膜式気化器、12……本体、14……調圧
部、16……ダイアフラム、18……大気圧室、
20……燃料室、26……燃料タンク、28……
燃料導入通路、34……プライミングポンプ、3
6……負圧通路、38……オーバーフロー弁、4
0……主燃料通路、46……噴射ノズル、48…
…ベンチユリ部、50……燃料排出通路、52…
…弁装置、54……弁体、56……弁棒、58…
…コイルばね、70……従来のこの種の膜式気化
器の燃料排出口、72……燃料排出口70に設け
た逆止弁。
Fig. 1 is a schematic cross-sectional view of the main parts for explaining a preferred embodiment of the membrane type vaporizer of this invention, and Fig. 2 is a schematic diagram showing a conventional membrane type vaporizer of this type.
Schematic representation applicable to the figure. FIG. 3 is a partial sectional view showing a case where the valve device provided in the fuel discharge passage communicating the fuel chamber and the main fuel passage of this invention is in a closed state. The main reference numbers in the figures are as follows. 1
0... Membrane vaporizer, 12... Main body, 14... Pressure regulating section, 16... Diaphragm, 18... Atmospheric pressure chamber,
20...Fuel chamber, 26...Fuel tank, 28...
Fuel introduction passage, 34...Priming pump, 3
6... Negative pressure passage, 38... Overflow valve, 4
0...Main fuel passage, 46...Injection nozzle, 48...
... Bench lily part, 50 ... Fuel discharge passage, 52 ...
... Valve device, 54 ... Valve body, 56 ... Valve stem, 58 ...
. . . Coil spring, 70 . . . Fuel discharge port of a conventional membrane type carburetor of this type, 72 . . . Check valve provided at the fuel discharge port 70.

Claims (1)

【実用新案登録請求の範囲】 燃料タンクから燃料を供給することができる燃
料室と大気に連通する大気圧室とにダイアフラム
によつて区画した調圧部と、前記燃料室を負圧に
するためのプライミングポンプと、前記燃料室か
らベンチユリ部に燃料を供給する主燃料通路とか
ら成る膜式気化器において、 前記燃料室と前記主燃料通路とを連絡する燃料
排出通路に弁装置を設け、前記弁装置をエンジン
の運転時には開弁し、前記プライミングポンプの
作動時には外部から操作して強制的に閉塞するも
のとしたことを特徴とする膜式気化器。
[Scope of Claim for Utility Model Registration] A pressure regulating section divided by a diaphragm into a fuel chamber to which fuel can be supplied from a fuel tank and an atmospheric pressure chamber communicating with the atmosphere, and a pressure regulating section for making the fuel chamber negative pressure. A membrane type carburetor comprising a priming pump and a main fuel passage for supplying fuel from the fuel chamber to the bench lily part, wherein a valve device is provided in the fuel discharge passage communicating the fuel chamber and the main fuel passage, A membrane type carburetor, characterized in that the valve device is opened when the engine is operating, and forcibly closed by operating from the outside when the priming pump is operating.
JP7427185U 1985-05-21 1985-05-21 Pending JPS61190456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7427185U JPS61190456U (en) 1985-05-21 1985-05-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7427185U JPS61190456U (en) 1985-05-21 1985-05-21

Publications (1)

Publication Number Publication Date
JPS61190456U true JPS61190456U (en) 1986-11-27

Family

ID=30614413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7427185U Pending JPS61190456U (en) 1985-05-21 1985-05-21

Country Status (1)

Country Link
JP (1) JPS61190456U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63102958U (en) * 1986-12-22 1988-07-04

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156238A (en) * 1979-05-22 1980-12-05 Shinagawa Diecast Kogyo Kk Diaphragm carburetor
JPS59120760A (en) * 1982-12-27 1984-07-12 Komatsu Zenoa Kk Fuel feeding device for carburetor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156238A (en) * 1979-05-22 1980-12-05 Shinagawa Diecast Kogyo Kk Diaphragm carburetor
JPS59120760A (en) * 1982-12-27 1984-07-12 Komatsu Zenoa Kk Fuel feeding device for carburetor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63102958U (en) * 1986-12-22 1988-07-04

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