JPS6264858U - - Google Patents
Info
- Publication number
- JPS6264858U JPS6264858U JP15686785U JP15686785U JPS6264858U JP S6264858 U JPS6264858 U JP S6264858U JP 15686785 U JP15686785 U JP 15686785U JP 15686785 U JP15686785 U JP 15686785U JP S6264858 U JPS6264858 U JP S6264858U
- Authority
- JP
- Japan
- Prior art keywords
- seal oil
- discharge amount
- supply pipe
- injection valve
- pilot 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
- 239000007789 gas Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案のガス噴射弁のシール油制御
装置の一実施例を示す説明図、第２図はサーボ切
換弁の変更例の縦断面図、第３図は従来例のガス
噴射弁を示す縦断面図、第４図はシール油制御装
置を示す説明図である。
１……ポンプ、２……ラツク棒、３……シリン
ダ、４……ピストンロツド、５……シール油供給
管、６……ガス噴射弁、７……燃料ガス供給管、
Ａ……サーボ弁、８……シリンダ、９……ピスト
ン、１０……第１パイロツト室、１１……第２パ
イロツト室、１２……シール油パイロツトライン
、１３……燃料ガスパイロツトライン、１４，１
５，１６，１７……ポート。
Fig. 1 is an explanatory diagram showing one embodiment of the gas injection valve seal oil control device of this invention, Fig. 2 is a vertical sectional view of a modified example of the servo switching valve, and Fig. 3 is a diagram showing a conventional example of the gas injection valve. The longitudinal sectional view shown in FIG. 4 is an explanatory diagram showing the seal oil control device. 1... Pump, 2... Rack rod, 3... Cylinder, 4... Piston rod, 5... Seal oil supply pipe, 6... Gas injection valve, 7... Fuel gas supply pipe,
A... Servo valve, 8... Cylinder, 9... Piston, 10... First pilot chamber, 11... Second pilot chamber, 12... Seal oil pilot line, 13... Fuel gas pilot line, 14, 1
5, 16, 17... port.
Claims (1)
給するための燃料ガス供給管と、上記ガス噴射弁
にシール油供給管を介してシール油を供給するた
めのポンプと、上記ポンプの吐出量を制御するた
めの吐出量制御手段と、シリンダ内にピストンを
摺動自在に配置すると共にその一端側に第１パイ
ロツト室を、その他端側に第２パイロツト室を有
するサーボ弁と、上記第１パイロツト室を上記シ
ール油供給管に連通させるためのシール油パイロ
ツトラインと、上記第２パイロツト室を上記燃料
ガス供給管に連通させるための燃料ガスパイロツ
トラインとをそれぞれ有し、さらに上記第１パイ
ロツト室側からの力によつてピストンが押動され
た際に上記吐出量制御手段を吐出量減少方向へと
作動させ、一方上記第２パイロツト室側からの力
によつてピストンが押動された際に上記吐出量制
御手段を吐出量増大方向へと作動させる制御手段
を有することを特徴とするガス噴射弁のシール油
制御装置。 A gas injection valve, a fuel gas supply pipe for supplying fuel gas to the gas injection valve, a pump for supplying seal oil to the gas injection valve via a seal oil supply pipe, and a discharge amount of the pump. a servo valve having a piston slidably disposed in the cylinder and having a first pilot chamber at one end and a second pilot chamber at the other end; a seal oil pilot line for communicating the pilot chamber with the seal oil supply pipe; and a fuel gas pilot line for communicating the second pilot chamber with the fuel gas supply pipe; When the piston is pushed by a force from the chamber side, the discharge amount control means is operated in a direction to decrease the discharge amount, while the piston is pushed by a force from the second pilot chamber side. A seal oil control device for a gas injection valve, comprising a control means for operating the discharge amount control means in a direction of increasing the discharge amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15686785U JPS6264858U (en) | 1985-10-14 | 1985-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15686785U JPS6264858U (en) | 1985-10-14 | 1985-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6264858U true JPS6264858U (en) | 1987-04-22 |
Family
ID=31078888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15686785U Pending JPS6264858U (en) | 1985-10-14 | 1985-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6264858U (en) |
-
1985
- 1985-10-14 JP JP15686785U patent/JPS6264858U/ja active Pending
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