JPH01174544U - - Google Patents
Info
- Publication number
- JPH01174544U JPH01174544U JP7266788U JP7266788U JPH01174544U JP H01174544 U JPH01174544 U JP H01174544U JP 7266788 U JP7266788 U JP 7266788U JP 7266788 U JP7266788 U JP 7266788U JP H01174544 U JPH01174544 U JP H01174544U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- liquid feeding
- feeding passage
- engine
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は本考案制御装置とポンプ装置との関係
を示す概略説明図、第２図は要部のみの拡大断面
図である。
１…エンジン、２…ポンプ本体、３ａ…送液通
路、４…ノズル、５…圧力制御弁、５１…弁体、
７…逆止弁、９…受圧室、１０…浮動体。
FIG. 1 is a schematic explanatory diagram showing the relationship between the control device of the present invention and the pump device, and FIG. 2 is an enlarged sectional view of only the main parts. DESCRIPTION OF SYMBOLS 1... Engine, 2... Pump main body, 3a... Liquid feeding passage, 4... Nozzle, 5... Pressure control valve, 51... Valve body,
7... Check valve, 9... Pressure receiving chamber, 10... Floating body.
Claims (1)
ポンプ本体２と、該ポンプ本体２と送液通路を介
して連通するノズル４と、前記ポンプ本体２から
吐出する液体の圧力を制御し、かつ、前記送液通
路内が設定圧以上となつたとき弁体５１が開動作
する圧力制御弁５とを備えたポンプ装置における
エンジンの回転制御装置であつて、前記ノズル４
と前記制御弁５の弁体５１との間の送液通路内に
逆止弁７を設けると共に、前記制御弁５における
弁体の背圧側に、前記逆止弁７と前記ノズル４と
の間の送液通路３ａと連通する受圧室９を設けて
、この受圧室９に、前記送液通路３ａ内が設定圧
以上となつたとき、前記弁体５１を開動作させる
浮動体１０を設け、この浮動体１０と前記エンジ
ン１の回転制御部材との間に、前記弁体５１の動
作に連動する連動手段を設けたことを特徴とする
ポンプ装置におけるエンジン回転制御装置。 Controls the pressure of the liquid discharged from the engine 1, the pump body 2 that is interlocked with the drive of the engine 1, the nozzle 4 that communicates with the pump body 2 via a liquid feeding passage, and the pump body 2, and An engine rotation control device in a pump device including a pressure control valve 5 whose valve body 51 opens when the pressure inside the liquid feeding passage reaches a set pressure or higher, the engine rotation control device including the nozzle 4
A check valve 7 is provided in the liquid feeding passage between the control valve 5 and the valve body 51 of the control valve 5, and a check valve 7 is provided between the check valve 7 and the nozzle 4 on the back pressure side of the valve body of the control valve 5. A pressure receiving chamber 9 communicating with the liquid feeding passage 3a is provided, and a floating body 10 is provided in the pressure receiving chamber 9 to open the valve body 51 when the pressure inside the liquid feeding passage 3a becomes equal to or higher than a set pressure, An engine rotation control device for a pump device, characterized in that interlocking means interlocked with the operation of the valve body 51 is provided between the floating body 10 and the rotation control member of the engine 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988072667U JPH0730922Y2 (en) | 1988-05-30 | 1988-05-30 | Engine rotation control device in pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988072667U JPH0730922Y2 (en) | 1988-05-30 | 1988-05-30 | Engine rotation control device in pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01174544U true JPH01174544U (en) | 1989-12-12 |
| JPH0730922Y2 JPH0730922Y2 (en) | 1995-07-19 |
Family
ID=31297824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988072667U Expired - Lifetime JPH0730922Y2 (en) | 1988-05-30 | 1988-05-30 | Engine rotation control device in pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730922Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100675A (en) * | 2009-11-09 | 2011-05-19 | Maruyama Mfg Co Ltd | Pressure switch |
| CN110159439A (en) * | 2019-06-20 | 2019-08-23 | 宁波合捷清洁设备有限公司 | Jetting machine Wireless energy-saving governor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59196941A (en) * | 1983-04-25 | 1984-11-08 | Ebara Corp | Automatic operating apparatus for pump driven by internal-combustion engine |
| JPS6319046U (en) * | 1986-07-22 | 1988-02-08 | ||
| JPS63189380U (en) * | 1987-05-23 | 1988-12-06 |
-
1988
- 1988-05-30 JP JP1988072667U patent/JPH0730922Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59196941A (en) * | 1983-04-25 | 1984-11-08 | Ebara Corp | Automatic operating apparatus for pump driven by internal-combustion engine |
| JPS6319046U (en) * | 1986-07-22 | 1988-02-08 | ||
| JPS63189380U (en) * | 1987-05-23 | 1988-12-06 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100675A (en) * | 2009-11-09 | 2011-05-19 | Maruyama Mfg Co Ltd | Pressure switch |
| CN110159439A (en) * | 2019-06-20 | 2019-08-23 | 宁波合捷清洁设备有限公司 | Jetting machine Wireless energy-saving governor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730922Y2 (en) | 1995-07-19 |