IT1118648B - Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e simili - Google Patents
Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e similiInfo
- Publication number
- IT1118648B IT1118648B IT68061/79A IT6806179A IT1118648B IT 1118648 B IT1118648 B IT 1118648B IT 68061/79 A IT68061/79 A IT 68061/79A IT 6806179 A IT6806179 A IT 6806179A IT 1118648 B IT1118648 B IT 1118648B
- Authority
- IT
- Italy
- Prior art keywords
- excavators
- lift
- similar
- safety device
- hydraulic circuits
- Prior art date
Links
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
- F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68061/79A IT1118648B (it) | 1979-05-18 | 1979-05-18 | Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e simili |
EP80830027A EP0019597A3 (en) | 1979-05-18 | 1980-05-06 | Safety device for hydraulic circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68061/79A IT1118648B (it) | 1979-05-18 | 1979-05-18 | Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e simili |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7968061A0 IT7968061A0 (it) | 1979-05-18 |
IT1118648B true IT1118648B (it) | 1986-03-03 |
Family
ID=11307558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68061/79A IT1118648B (it) | 1979-05-18 | 1979-05-18 | Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e simili |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0019597A3 (it) |
IT (1) | IT1118648B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE442765B (sv) * | 1982-02-18 | 1986-01-27 | Atlas Copco Ab | Lasthallningsventil |
JPH01133503U (it) * | 1988-03-03 | 1989-09-12 | ||
JPH0473410A (ja) * | 1990-07-13 | 1992-03-09 | Kosumetsuku:Kk | 残圧保持機能付き圧油給排回路及びその圧油給排回路に用いる残圧保持用弁装置 |
DE20314232U1 (de) * | 2003-08-27 | 2004-10-21 | Bucher Hydraulics Ag, Neuheim | Hydraulisch gesteuertes Ventil |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3164171A (en) * | 1961-01-30 | 1965-01-05 | Clark Equipment Co | Directional control valve |
US3500721A (en) * | 1968-07-23 | 1970-03-17 | Eaton Yale & Towne | Hydraulic control for two hydraulic motors |
DE2209506A1 (de) * | 1972-02-29 | 1974-01-24 | Montan Hydraulik Gmbh & Co Kg | Einrichtung zum steuern von hydroantrieben unter last |
FR2231910A1 (en) * | 1973-06-04 | 1974-12-27 | Griffet Ets M | Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow |
DE2424973C3 (de) * | 1974-05-22 | 1980-01-31 | Montan-Hydraulik Gmbh & Co Kg, 4755 Holzwickede | Einrichtung zum Steuern von Hydroantrieben |
US4000683A (en) * | 1975-05-27 | 1977-01-04 | Caterpillar Tractor Co. | Hydraulic load lifting system |
-
1979
- 1979-05-18 IT IT68061/79A patent/IT1118648B/it active
-
1980
- 1980-05-06 EP EP80830027A patent/EP0019597A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0019597A3 (en) | 1981-04-22 |
IT7968061A0 (it) | 1979-05-18 |
EP0019597A2 (en) | 1980-11-26 |
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