JPH02144645U - - Google Patents
Info
- Publication number
- JPH02144645U JPH02144645U JP5304689U JP5304689U JPH02144645U JP H02144645 U JPH02144645 U JP H02144645U JP 5304689 U JP5304689 U JP 5304689U JP 5304689 U JP5304689 U JP 5304689U JP H02144645 U JPH02144645 U JP H02144645U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- throttle valve
- valve
- center
- bore
- 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
- 230000001133 acceleration Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Landscapes
- Temperature-Responsive Valves (AREA)
Description
第１図乃至第５図は本考案の第１実施例を示す
もので、第１図は常温時における全閉状態を示す
側断面図、第２図は同ダンパーウエイト部の拡大
図、第３図は常温加速時における全開状態を示す
側断面図、第４図は低温時における全閉状態を示
す側断面図、第５図は低温加速時における全開状
態を示す側断面図である。第６図は本考案の第２
実施例を示す要部の側面図である。第７図は従来
構造の全閉状態を示す側断面図、第８図は同全開
状態を示す側断面図である。第９図はエンジン回
転数とダンパーバルブ開度の関係を示す特性図、
第１０図はエンジン回転数と空燃比との関係を示
す特性図である。
２…１次側ボア、３…２次側ボア、４…１次側
スロツトルバルブ、５…２次側スロツトルバルブ
、１０…ダンパーバルブ、１１…回転シヤフト、
１８…ダンパーウエイト、２０…形状記憶合金製
コイルスプリング。
1 to 5 show the first embodiment of the present invention, in which FIG. 1 is a side sectional view showing the fully closed state at room temperature, FIG. 2 is an enlarged view of the damper weight section, and FIG. 4 is a side sectional view showing the fully open state during acceleration at room temperature, FIG. 4 is a side sectional view showing the fully closed state at low temperature, and FIG. 5 is a side sectional view showing the fully open state during low temperature acceleration. Figure 6 is the second version of this invention.
FIG. 3 is a side view of main parts showing an example. FIG. 7 is a side sectional view showing the conventional structure in a fully closed state, and FIG. 8 is a side sectional view showing the same fully open state. Figure 9 is a characteristic diagram showing the relationship between engine speed and damper valve opening.
FIG. 10 is a characteristic diagram showing the relationship between engine speed and air-fuel ratio. 2... Primary side bore, 3... Secondary side bore, 4... Primary side throttle valve, 5... Secondary side throttle valve, 10... Damper valve, 11... Rotating shaft,
18...damper weight, 20...shape memory alloy coil spring.
Claims (1)
に、１次側スロツトルバルブの開口に連動して２
次側スロツトルバルブを開作動させるようにし、
２次側スロツトルバルブの上流部にダンパーバル
ブを備えると共に該ダンパーバルブの回転シヤフ
トに、腕を介してダンパーバルブに閉じモーメン
トを付与するダンパーウエイトを備えたものにお
いて、前記腕部に、前記回転シヤフトの中心とダ
ンパーウエイトの中心との間の水平距離を、常温
時には短く低温時には長く変化させる手段を設け
たことを特徴とする２連コンパウンド気化器。 The primary side bore and the secondary side bore are installed side by side, and during full throttle acceleration, the 2nd side throttle valve opens in conjunction with the opening of the primary side throttle valve.
Open the next throttle valve,
A damper valve is provided upstream of the secondary throttle valve, and a damper weight is provided on the rotary shaft of the damper valve for applying a closing moment to the damper valve via an arm, wherein A double compound carburetor characterized by being provided with a means for changing the horizontal distance between the center of the shaft and the center of the damper weight from short at room temperature to long at low temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304689U JPH02144645U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304689U JPH02144645U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144645U true JPH02144645U (en) | 1990-12-07 |
Family
ID=31573888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5304689U Pending JPH02144645U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144645U (en) |
-
1989
- 1989-05-09 JP JP5304689U patent/JPH02144645U/ja active Pending
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