JPH0185430U - - Google Patents
Info
- Publication number
- JPH0185430U JPH0185430U JP18020087U JP18020087U JPH0185430U JP H0185430 U JPH0185430 U JP H0185430U JP 18020087 U JP18020087 U JP 18020087U JP 18020087 U JP18020087 U JP 18020087U JP H0185430 U JPH0185430 U JP H0185430U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- predetermined value
- ambient temperature
- diesel engine
- flyweight
- 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
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
Description
第１図は本考案に係るデイーゼル機関の機械式
タイマの一実施例を示す断面図、第２図は同じく
一部を破断した正面図、第３図はフライウエイト
スプリングの取付部分を拡大して示した断面図、
第４図は進角特性図である。
１……ポンプ駆動軸、２……カム軸、３……機
械式タイマ、６……フライウエイト、１２……フ
ライウエイトスプリング、１２ａ……一段目スプ
リング、１２ｂ……二段目スプリング。
Fig. 1 is a sectional view showing an embodiment of a mechanical timer for a diesel engine according to the present invention, Fig. 2 is a partially cutaway front view of the same, and Fig. 3 is an enlarged view of the mounting part of the fly weight spring. The cross-sectional view shown,
FIG. 4 is a lead angle characteristic diagram. 1... Pump drive shaft, 2... Camshaft, 3... Mechanical timer, 6... Fly weight, 12... Fly weight spring, 12a... First stage spring, 12b... Second stage spring.
Claims (1)
に伴つてフライウエイトスプリングに抗してフラ
イウエイトを外周側に移動させて燃料噴射ポンプ
のカム軸を二段階に進角させるようにしたデイー
ゼル機関の機械式タイマにおいて、前記フライウ
エイトスプリングを二段スプリングで構成すると
共に、雰囲気温度が所定値以上であるときに自由
長が大きくなつて雰囲気温度が所定値以下である
ときに自由長が小さくなる形状記憶合金製のばね
で前記二段スプリングの一段目スプリングを構成
したことを特徴とするデイーゼル機関の機械式タ
イマ。 A diesel engine in which the camshaft of the fuel injection pump is advanced in two steps by moving the flyweight toward the outer circumference against the flyweight spring as the rotation of the pump drive shaft driven by the engine increases. In the mechanical timer, the fly weight spring is configured as a two-stage spring, and the free length is increased when the ambient temperature is above a predetermined value, and becomes smaller when the ambient temperature is below a predetermined value. A mechanical timer for a diesel engine, characterized in that a first stage spring of the two stage spring is made of a memory alloy spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18020087U JPH0185430U (en) | 1987-11-26 | 1987-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18020087U JPH0185430U (en) | 1987-11-26 | 1987-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185430U true JPH0185430U (en) | 1989-06-06 |
Family
ID=31471722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18020087U Pending JPH0185430U (en) | 1987-11-26 | 1987-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185430U (en) |
-
1987
- 1987-11-26 JP JP18020087U patent/JPH0185430U/ja active Pending
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