JPS56146436A - Liquid supply controller for tank truck - Google Patents
Liquid supply controller for tank truckInfo
- Publication number
- JPS56146436A JPS56146436A JP4849180A JP4849180A JPS56146436A JP S56146436 A JPS56146436 A JP S56146436A JP 4849180 A JP4849180 A JP 4849180A JP 4849180 A JP4849180 A JP 4849180A JP S56146436 A JPS56146436 A JP S56146436A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- liquid
- discharge pressure
- engine
- pump discharge
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
PURPOSE: To accomplish an efficient supply of liquid with a pump discharge pressure kept at a set level by controlling the revolutions of the engine related to a pump discharge pressure.
CONSTITUTION: A pump 2 is driven with an engine 1 to feed a liquid in a tank 3 to a feed hose 6 by way of a discharge tube 4. When the liquid is high in the viscosity and long in the supply distance, a part of the liquid is recirculated to a pump suction section through a relief valve 20 as the pump discharge pressure exceeds the set pressure. Under such a supply condition, a pump discharge pressure works on the rear surface of a piston of the second cylinder 17 by way a piping 19 so that a piston rod changes a change-over valve 14 to the right position against the force of a spring 18, allowing a liquid discharged from a pump 2 to flow into a tip chamber of the first cylinder through a branch pipe 15 thereby reducing the first cylinde 12. A control lever 7 is pulled back to lower the revolutions of the engine resulting in lowering in the discharge pressure.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4849180A JPS602214B2 (en) | 1980-04-11 | 1980-04-11 | Liquid feeding control device for tank cars |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4849180A JPS602214B2 (en) | 1980-04-11 | 1980-04-11 | Liquid feeding control device for tank cars |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56146436A true JPS56146436A (en) | 1981-11-13 |
JPS602214B2 JPS602214B2 (en) | 1985-01-19 |
Family
ID=12804850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4849180A Expired JPS602214B2 (en) | 1980-04-11 | 1980-04-11 | Liquid feeding control device for tank cars |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS602214B2 (en) |
-
1980
- 1980-04-11 JP JP4849180A patent/JPS602214B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS602214B2 (en) | 1985-01-19 |
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