JPS5718487A - Liquid pressurizing device of variable volume type - Google Patents
Liquid pressurizing device of variable volume typeInfo
- Publication number
- JPS5718487A JPS5718487A JP9204880A JP9204880A JPS5718487A JP S5718487 A JPS5718487 A JP S5718487A JP 9204880 A JP9204880 A JP 9204880A JP 9204880 A JP9204880 A JP 9204880A JP S5718487 A JPS5718487 A JP S5718487A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pumps
- control
- difference
- variable volume
- 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
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Fluid Gearings (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
PURPOSE: To obtain full performance of a pair of pumps by connecting pressure difference mechanisms to receiving pressure control surfaces of control valve means and thereby by controlling a power difference between the pumps, below the prescribed level.
CONSTITUTION: In control valve means C, D receiving pressure control surfaces 5a, 6a are formed. To said surfaces 5a, 6a pressure difference control mechanisms 13, 14 are connected. When a pressure difference between a pair of first and second pumps A, B is more than a predetermined level, a pressure balancing against the force of pressure applying member 9, 10 is lowered by increasing pressure receiving areas of the spools 5, 6 to control the power difference between the pumps A, B below the prescribed level. With this, a large bending moment does not act on a driving shaft and thereby full performance of the two pumps is obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9204880A JPS5718487A (en) | 1980-07-04 | 1980-07-04 | Liquid pressurizing device of variable volume type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9204880A JPS5718487A (en) | 1980-07-04 | 1980-07-04 | Liquid pressurizing device of variable volume type |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5718487A true JPS5718487A (en) | 1982-01-30 |
Family
ID=14043624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9204880A Pending JPS5718487A (en) | 1980-07-04 | 1980-07-04 | Liquid pressurizing device of variable volume type |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5718487A (en) |
-
1980
- 1980-07-04 JP JP9204880A patent/JPS5718487A/en active Pending
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