JPH03117704A - 油圧シリンダの再生合流方法 - Google Patents
油圧シリンダの再生合流方法Info
- Publication number
- JPH03117704A JPH03117704A JP2240421A JP24042190A JPH03117704A JP H03117704 A JPH03117704 A JP H03117704A JP 2240421 A JP2240421 A JP 2240421A JP 24042190 A JP24042190 A JP 24042190A JP H03117704 A JPH03117704 A JP H03117704A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- oil chamber
- pressure
- spool
- passage
- 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
- 238000000034 method Methods 0.000 title claims description 5
- 238000004064 recycling Methods 0.000 title abstract 3
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000011069 regeneration method Methods 0.000 claims description 20
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 16
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
Landscapes
- 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)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2240421A JPH03117704A (ja) | 1990-09-10 | 1990-09-10 | 油圧シリンダの再生合流方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2240421A JPH03117704A (ja) | 1990-09-10 | 1990-09-10 | 油圧シリンダの再生合流方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61061739A Division JPS62220705A (ja) | 1986-03-18 | 1986-03-18 | 油圧シリンダの可変式再生回路弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03117704A true JPH03117704A (ja) | 1991-05-20 |
JPH0459484B2 JPH0459484B2 (US20090163788A1-20090625-C00002.png) | 1992-09-22 |
Family
ID=17059229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2240421A Granted JPH03117704A (ja) | 1990-09-10 | 1990-09-10 | 油圧シリンダの再生合流方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03117704A (US20090163788A1-20090625-C00002.png) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0656481A1 (en) * | 1993-12-02 | 1995-06-07 | Hitachi Construction Machinery Co., Ltd. | Hydraulic control system for construction machines |
US6502499B2 (en) | 2000-09-26 | 2003-01-07 | Hitachi Construction Machinery Co., Ltd. | Hydraulic recovery system for construction machine and construction machine using the same |
JP2007263160A (ja) * | 2006-03-27 | 2007-10-11 | Kayaba Ind Co Ltd | エネルギー変換装置 |
JP2008002931A (ja) * | 2006-06-22 | 2008-01-10 | Hitachi Constr Mach Co Ltd | 孔間距離測定装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103807241B (zh) * | 2013-11-18 | 2016-04-06 | 浙江大学 | 用于先导式比例阀的集成式过滤装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158583A (en) * | 1978-06-05 | 1979-12-14 | Toyooki Kogyo Kk | Hydraulic controller |
JPS56115001U (US20090163788A1-20090625-C00002.png) * | 1980-02-06 | 1981-09-03 | ||
JPS5923104A (ja) * | 1982-07-30 | 1984-02-06 | Kayaba Ind Co Ltd | 再生及び優先兼用油圧制御装置 |
-
1990
- 1990-09-10 JP JP2240421A patent/JPH03117704A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158583A (en) * | 1978-06-05 | 1979-12-14 | Toyooki Kogyo Kk | Hydraulic controller |
JPS56115001U (US20090163788A1-20090625-C00002.png) * | 1980-02-06 | 1981-09-03 | ||
JPS5923104A (ja) * | 1982-07-30 | 1984-02-06 | Kayaba Ind Co Ltd | 再生及び優先兼用油圧制御装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0656481A1 (en) * | 1993-12-02 | 1995-06-07 | Hitachi Construction Machinery Co., Ltd. | Hydraulic control system for construction machines |
US6502499B2 (en) | 2000-09-26 | 2003-01-07 | Hitachi Construction Machinery Co., Ltd. | Hydraulic recovery system for construction machine and construction machine using the same |
JP2007263160A (ja) * | 2006-03-27 | 2007-10-11 | Kayaba Ind Co Ltd | エネルギー変換装置 |
JP2008002931A (ja) * | 2006-06-22 | 2008-01-10 | Hitachi Constr Mach Co Ltd | 孔間距離測定装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0459484B2 (US20090163788A1-20090625-C00002.png) | 1992-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |