CA1120827A - Control valve for working machine - Google Patents
Control valve for working machineInfo
- Publication number
- CA1120827A CA1120827A CA000307479A CA307479A CA1120827A CA 1120827 A CA1120827 A CA 1120827A CA 000307479 A CA000307479 A CA 000307479A CA 307479 A CA307479 A CA 307479A CA 1120827 A CA1120827 A CA 1120827A
- Authority
- CA
- Canada
- Prior art keywords
- valve
- change
- passage
- chamber
- pressure
- 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
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 18
- ZPEZUAAEBBHXBT-WCCKRBBISA-N (2s)-2-amino-3-methylbutanoic acid;2-amino-3-methylbutanoic acid Chemical compound CC(C)C(N)C(O)=O.CC(C)[C@H](N)C(O)=O ZPEZUAAEBBHXBT-WCCKRBBISA-N 0.000 description 3
- 235000002020 sage Nutrition 0.000 description 3
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 2
- 241001052209 Cylinder Species 0.000 description 2
- 101100310856 Drosophila melanogaster spri gene Proteins 0.000 description 1
- 101100313003 Rattus norvegicus Tanc1 gene Proteins 0.000 description 1
- 235000017276 Salvia Nutrition 0.000 description 1
- 241001072909 Salvia Species 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- OFPXSFXSNFPTHF-UHFFFAOYSA-N oxaprozin Chemical compound O1C(CCC(=O)O)=NC(C=2C=CC=CC=2)=C1C1=CC=CC=C1 OFPXSFXSNFPTHF-UHFFFAOYSA-N 0.000 description 1
- 229960002739 oxaprozin Drugs 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8697977A JPS5422070A (en) | 1977-07-19 | 1977-07-19 | Control valve for machine |
| JP52-86979 | 1977-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1120827A true CA1120827A (en) | 1982-03-30 |
Family
ID=13901980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000307479A Expired CA1120827A (en) | 1977-07-19 | 1978-07-17 | Control valve for working machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5422070A (enrdf_load_stackoverflow) |
| CA (1) | CA1120827A (enrdf_load_stackoverflow) |
| DE (1) | DE2831515C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2398202A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2001516B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5648982B2 (enrdf_load_stackoverflow) * | 1973-10-19 | 1981-11-19 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3035610A (en) * | 1959-09-10 | 1962-05-22 | Oliver Corp | Control valve for hydraulic actuator |
| JPS4825199U (enrdf_load_stackoverflow) * | 1971-07-31 | 1973-03-24 | ||
| DE2449599A1 (de) * | 1974-10-18 | 1976-04-29 | Bosch Gmbh Robert | Wegeventil |
| US4088151A (en) * | 1976-05-26 | 1978-05-09 | Borg-Warner Corporation | Cylinder locking apparatus |
-
1977
- 1977-07-19 JP JP8697977A patent/JPS5422070A/ja active Granted
-
1978
- 1978-07-17 CA CA000307479A patent/CA1120827A/en not_active Expired
- 1978-07-18 FR FR7821259A patent/FR2398202A1/fr active Granted
- 1978-07-18 DE DE19782831515 patent/DE2831515C2/de not_active Expired
- 1978-07-18 GB GB7830245A patent/GB2001516B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6257843B2 (enrdf_load_stackoverflow) | 1987-12-03 |
| GB2001516A (en) | 1979-02-07 |
| GB2001516B (en) | 1982-02-10 |
| JPS5422070A (en) | 1979-02-19 |
| FR2398202B1 (enrdf_load_stackoverflow) | 1983-12-16 |
| FR2398202A1 (fr) | 1979-02-16 |
| DE2831515C2 (de) | 1986-11-06 |
| DE2831515A1 (de) | 1979-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |