JPH0325844U - - Google Patents
Info
- Publication number
- JPH0325844U JPH0325844U JP8679389U JP8679389U JPH0325844U JP H0325844 U JPH0325844 U JP H0325844U JP 8679389 U JP8679389 U JP 8679389U JP 8679389 U JP8679389 U JP 8679389U JP H0325844 U JPH0325844 U JP H0325844U
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- butterfly
- hole
- shaped throttle
- membrane chamber
- 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
Links
- 239000000446 fuel Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims 4
- 239000007924 injection Substances 0.000 claims 4
- 239000012528 membrane Substances 0.000 claims 4
- 239000006200 vaporizer Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lift Valve (AREA)
Description
図面に於て第１図及び第２図は従来実施例及び
本考案の絞弁全開時の空気、燃料流れを示す系統
図、第３図及び第４図は従来実施例及び本考案の
級弁アイドル開度時の空気、燃料流れを示す要部
拡大図、第５図及び第６図は従来実施例及び本考
案の絞弁中間開度時の空気、燃料流れを示す要部
拡大図である。
In the drawings, Figures 1 and 2 are system diagrams showing the air and fuel flow when the throttle valve of the conventional embodiment and the present invention are fully open, and Figures 3 and 4 are the flow diagrams of the conventional embodiment and the throttle valve of the present invention. FIGS. 5 and 6 are enlarged views of main parts showing the air and fuel flow at the idle opening. FIGS. 5 and 6 are enlarged views of the main parts showing the air and fuel flow at the intermediate opening of the throttle valve of the conventional embodiment and the present invention. .
Claims (1)
エンジン寄りに開口する高速燃料噴出孔２３に対
面してエンジン側方向に開く蝶形絞弁２４を設け
そのアイドル開度に対応する絞弁孔２１に低速燃
料噴出孔２５を設け、前記高速低速２種の燃料噴
出孔群を噴出孔前室２６に連通すると共に定負圧
膜室３に開口する高速燃料制御機能２７に連通し
たことを特徴とする単式燃料系統の蝶形絞弁式膜
室型気化器。 (2) 低速燃料噴出孔２５に対応して蝶形絞弁２
４の外周部に切欠溝２８を設けたことを特徴とす
る実用新案登録請求の範囲第(1)項記載の単式燃
料系統の蝶形絞弁式膜室型気化器。 (3) 低速燃料噴出孔２５に対応する蝶形絞弁２
４の外周部切欠溝２８と平面部補正空気孔２９の
合計面積をアイドル開度相当面積とし、蝶形絞弁
２４全閉でもアイドル運転を可能とすることを特
徴とする実用新案登録請求の範囲第(1)項記載の
単式燃料系統の蝶形絞弁式膜室型気化器。[Scope of claims for utility model registration] (1) The narrowest part 22 of the throttle valve hole 21 where the throttle valve shaft 20 is located
A butterfly-shaped throttle valve 24 that opens toward the engine side is provided facing the high-speed fuel jet hole 23 that opens toward the engine, and a low-speed fuel jet hole 25 is provided in the throttle valve hole 21 corresponding to the idle opening degree. A butterfly-shaped throttle valve type membrane chamber type of single fuel system, characterized in that a group of fuel injection holes are communicated with an injection hole front chamber 26 and a high-speed fuel control function 27 that opens into a constant negative pressure membrane chamber 3. vaporizer. (2) A butterfly-shaped throttle valve 2 corresponding to the low-speed fuel injection hole 25
4. A butterfly-shaped throttle valve type membrane chamber type carburetor for a single fuel system as claimed in claim (1) of the utility model registration, characterized in that a cutout groove 28 is provided on the outer periphery of the fuel cell. (3) Butterfly-shaped throttle valve 2 corresponding to the low-speed fuel injection hole 25
Claims for registration of a utility model characterized in that the total area of the outer circumferential notch groove 28 and the flat correction air hole 29 of No. 4 is the area corresponding to the idle opening, and idle operation is possible even when the butterfly throttle valve 24 is fully closed. A butterfly-shaped throttle valve type membrane chamber type carburetor with a single fuel system as described in paragraph (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8679389U JPH0325844U (en) | 1989-07-24 | 1989-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8679389U JPH0325844U (en) | 1989-07-24 | 1989-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325844U true JPH0325844U (en) | 1991-03-18 |
Family
ID=31636418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8679389U Pending JPH0325844U (en) | 1989-07-24 | 1989-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325844U (en) |
-
1989
- 1989-07-24 JP JP8679389U patent/JPH0325844U/ja active Pending