CN108895050A - A kind of structure of novel load sensitive valve feedback oil circuit - Google Patents
A kind of structure of novel load sensitive valve feedback oil circuit Download PDFInfo
- Publication number
- CN108895050A CN108895050A CN201811061925.1A CN201811061925A CN108895050A CN 108895050 A CN108895050 A CN 108895050A CN 201811061925 A CN201811061925 A CN 201811061925A CN 108895050 A CN108895050 A CN 108895050A
- Authority
- CN
- China
- Prior art keywords
- valve
- feedback
- port
- load
- actuator port
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811061925.1A CN108895050B (en) | 2018-09-12 | 2018-09-12 | Novel structure of feedback oil circuit of load sensitive valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811061925.1A CN108895050B (en) | 2018-09-12 | 2018-09-12 | Novel structure of feedback oil circuit of load sensitive valve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108895050A true CN108895050A (en) | 2018-11-27 |
CN108895050B CN108895050B (en) | 2020-10-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811061925.1A Active CN108895050B (en) | 2018-09-12 | 2018-09-12 | Novel structure of feedback oil circuit of load sensitive valve |
Country Status (1)
Country | Link |
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CN (1) | CN108895050B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61236901A (en) * | 1985-04-15 | 1986-10-22 | Kayaba Ind Co Ltd | Hydraulic controller for regeneration and preferential use |
US5161575A (en) * | 1990-06-22 | 1992-11-10 | Zexel Corporation | Direction selector valve having load-sensing function |
CN2844532Y (en) * | 2005-07-19 | 2006-12-06 | 四川长江液压件有限责任公司 | Multi-path switching valve of hydraulic crane |
CN105545850A (en) * | 2014-10-28 | 2016-05-04 | 徐工集团工程机械股份有限公司 | Load-sensitive functional valve, load-sensitive multi-way valve, load-sensitive hydraulic system and mini excavator |
CN108331942A (en) * | 2018-04-20 | 2018-07-27 | 江苏恒立液压科技有限公司 | Core assembly, multi-way valve and walking machine hydraulic system |
-
2018
- 2018-09-12 CN CN201811061925.1A patent/CN108895050B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61236901A (en) * | 1985-04-15 | 1986-10-22 | Kayaba Ind Co Ltd | Hydraulic controller for regeneration and preferential use |
US5161575A (en) * | 1990-06-22 | 1992-11-10 | Zexel Corporation | Direction selector valve having load-sensing function |
CN2844532Y (en) * | 2005-07-19 | 2006-12-06 | 四川长江液压件有限责任公司 | Multi-path switching valve of hydraulic crane |
CN105545850A (en) * | 2014-10-28 | 2016-05-04 | 徐工集团工程机械股份有限公司 | Load-sensitive functional valve, load-sensitive multi-way valve, load-sensitive hydraulic system and mini excavator |
CN108331942A (en) * | 2018-04-20 | 2018-07-27 | 江苏恒立液压科技有限公司 | Core assembly, multi-way valve and walking machine hydraulic system |
Also Published As
Publication number | Publication date |
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CN108895050B (en) | 2020-10-09 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210429 Address after: 221004 No. 18, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Patentee after: Xuzhou Amakai Hydraulic Technology Co.,Ltd. Address before: 221004 No. 18, Peach Road, Jinshan Development Zone, Xuzhou, Jiangsu Patentee before: XCMG XUZHOU XUGONG HYDRAULIC PARTS Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181127 Assignee: XCMG XUZHOU XUGONG HYDRAULIC PARTS Co.,Ltd. Assignor: Xuzhou Amakai Hydraulic Technology Co.,Ltd. Contract record no.: X2022320000116 Denomination of invention: A new feedback oil circuit structure of load sensing valve Granted publication date: 20201009 License type: Common License Record date: 20220616 |
|
EE01 | Entry into force of recordation of patent licensing contract |