JPS63190531U - - Google Patents
Info
- Publication number
- JPS63190531U JPS63190531U JP8174287U JP8174287U JPS63190531U JP S63190531 U JPS63190531 U JP S63190531U JP 8174287 U JP8174287 U JP 8174287U JP 8174287 U JP8174287 U JP 8174287U JP S63190531 U JPS63190531 U JP S63190531U
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- combustion engine
- internal combustion
- pressure
- prevention device
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
Description
第１図は本考案の第１実施例に係る内燃機関の
過回転防止装置の構成を示す側面断面図、第２図
は同過回転防止装置が備えられる気化器の平面断
面図、第３〜５図は本考案の第２〜４実施例に係
る過回転防止装置の構成を示す側面断面図である
。
２１：クランクケース、２４：気化器、２７：
絞り弁、２９：絞り弁レバー、４１：振動ポンプ
、４４：錘、５８：ダイヤフラム、６１，６１Ａ
：リリーフ弁、７１，７１Ａ：逆止弁、８１：ア
クチユエータ、８４：ダイヤフラム、９２：ロツ
ド、１０１：制御弁、１０４：ばね、１０７：ボ
ール、１１１，１１１Ａ：減圧弁、１１５：ばね
、１２０：弁体、１２４：ダイヤフラム。
1 is a side sectional view showing the configuration of an overspeed prevention device for an internal combustion engine according to a first embodiment of the present invention; FIG. 2 is a plan sectional view of a carburetor equipped with the same overspeed prevention device; FIG. 5 is a side sectional view showing the structure of the over-rotation prevention device according to the second to fourth embodiments of the present invention. 21: Crankcase, 24: Carburetor, 27:
Throttle valve, 29: Throttle valve lever, 41: Vibration pump, 44: Weight, 58: Diaphragm, 61, 61A
: Relief valve, 71, 71A: Check valve, 81: Actuator, 84: Diaphragm, 92: Rod, 101: Control valve, 104: Spring, 107: Ball, 111, 111A: Pressure reducing valve, 115: Spring, 120: Valve body, 124: diaphragm.
Claims (1)
チユエータと、内燃機関の過回転時に前記アクチ
ユエータへの圧力を制御する制御弁と、前記アク
チユエータを作動させるための空気圧源とを備え
たものにおいて、前記アクチユエータへ供給する
圧力を一定に保つ機構を備えたことを特徴とする
内燃機関の過回転防止装置。 (2) 前記圧力を一定に保つための機構がリリー
フ弁である実用新案登録請求の範囲(1)に記載の
内燃機関の過回転防止装置。 (3) 前記圧力を一定に保つための機構が減圧弁
である実用新案登録請求の範囲(1)に記載の内燃
機関の過回転防止装置。[Claims for Utility Model Registration] (1) An actuator for operating a throttle valve of a carburetor in the closing direction, a control valve for controlling pressure to the actuator when the internal combustion engine overspeeds, and a control valve for operating the actuator. What is claimed is: 1. An overspeed prevention device for an internal combustion engine, comprising: a pneumatic pressure source; and a mechanism for maintaining a constant pressure supplied to the actuator. (2) The overspeed prevention device for an internal combustion engine according to claim (1), wherein the mechanism for keeping the pressure constant is a relief valve. (3) The overspeed prevention device for an internal combustion engine according to claim (1), wherein the mechanism for keeping the pressure constant is a pressure reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174287U JPS63190531U (en) | 1987-05-28 | 1987-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174287U JPS63190531U (en) | 1987-05-28 | 1987-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190531U true JPS63190531U (en) | 1988-12-08 |
Family
ID=30933753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8174287U Pending JPS63190531U (en) | 1987-05-28 | 1987-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190531U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261940A (en) * | 1984-06-08 | 1985-12-25 | Walbro Far East | Over-rotation preventer for 2-cycle engine |
-
1987
- 1987-05-28 JP JP8174287U patent/JPS63190531U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261940A (en) * | 1984-06-08 | 1985-12-25 | Walbro Far East | Over-rotation preventer for 2-cycle engine |