KR960006359B1 - 저속복귀 기능을 부가한 파일럿 첵밸브 - Google Patents
저속복귀 기능을 부가한 파일럿 첵밸브 Download PDFInfo
- Publication number
- KR960006359B1 KR960006359B1 KR1019890007641A KR890007641A KR960006359B1 KR 960006359 B1 KR960006359 B1 KR 960006359B1 KR 1019890007641 A KR1019890007641 A KR 1019890007641A KR 890007641 A KR890007641 A KR 890007641A KR 960006359 B1 KR960006359 B1 KR 960006359B1
- Authority
- KR
- South Korea
- Prior art keywords
- valve
- pilot
- check valve
- chamber
- hydraulic
- 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.)
- Expired - Lifetime
Links
- 239000003921 oil Substances 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Images
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Check Valves (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073894U JPH0740085Y2 (ja) | 1988-06-03 | 1988-06-03 | スローリタン機能を付加したパイロットチェック弁 |
| JP63-73894 | 1988-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900000604A KR900000604A (ko) | 1990-01-30 |
| KR960006359B1 true KR960006359B1 (ko) | 1996-05-15 |
Family
ID=13531367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890007641A Expired - Lifetime KR960006359B1 (ko) | 1988-06-03 | 1989-06-03 | 저속복귀 기능을 부가한 파일럿 첵밸브 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0740085Y2 (enExample) |
| KR (1) | KR960006359B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05126279A (ja) * | 1991-10-30 | 1993-05-21 | Kayaba Ind Co Ltd | 制御弁装置 |
| JP2000074237A (ja) * | 1998-08-28 | 2000-03-14 | Toyota Autom Loom Works Ltd | ロジック弁及び産業車両の油圧制御装置 |
-
1988
- 1988-06-03 JP JP1988073894U patent/JPH0740085Y2/ja not_active Expired - Lifetime
-
1989
- 1989-06-03 KR KR1019890007641A patent/KR960006359B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740085Y2 (ja) | 1995-09-13 |
| KR900000604A (ko) | 1990-01-30 |
| JPH01176202U (enExample) | 1989-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19890603 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19930226 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19890603 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19951214 Patent event code: PE09021S01D |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19960419 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19960724 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19960816 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 19960816 End annual number: 3 Start annual number: 1 |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| PR1001 | Payment of annual fee |
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| FPAY | Annual fee payment |
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| PR1001 | Payment of annual fee |
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| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |