IT1016532B - Dispositivo per il controllo di un cilindro idraulico di sollevamento - Google Patents
Dispositivo per il controllo di un cilindro idraulico di sollevamentoInfo
- Publication number
- IT1016532B IT1016532B IT69105/74A IT6910574A IT1016532B IT 1016532 B IT1016532 B IT 1016532B IT 69105/74 A IT69105/74 A IT 69105/74A IT 6910574 A IT6910574 A IT 6910574A IT 1016532 B IT1016532 B IT 1016532B
- Authority
- IT
- Italy
- Prior art keywords
- control
- lifting cylinder
- hydraulic lifting
- hydraulic
- cylinder
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
-
- 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
- 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
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/3051—Cross-check valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41563—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a return line
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in control
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/72—Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7309231A NL7309231A (nl) | 1973-07-03 | 1973-07-03 | Regelinrichting voor een dubbelwerkende hefcylinder. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1016532B true IT1016532B (it) | 1977-06-20 |
Family
ID=19819195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69105/74A IT1016532B (it) | 1973-07-03 | 1974-07-02 | Dispositivo per il controllo di un cilindro idraulico di sollevamento |
Country Status (7)
Country | Link |
---|---|
US (1) | US3975987A (it) |
DE (1) | DE2427316A1 (it) |
FR (1) | FR2236100B1 (it) |
GB (1) | GB1443650A (it) |
IT (1) | IT1016532B (it) |
NL (1) | NL7309231A (it) |
SE (1) | SE409891B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4103699A (en) * | 1976-07-16 | 1978-08-01 | Avon Enterprises, Inc. | Fluid cylinder mounted lock out valve device |
US4081053A (en) * | 1976-11-19 | 1978-03-28 | Terry McDermid | Lock valve for double acting cylinder |
US4200031A (en) * | 1978-03-02 | 1980-04-29 | Applied Power Inc. | Locking cylinders |
GB2129166B (en) * | 1979-10-24 | 1984-10-31 | Secr Defence | Fluid-powered actuators |
US4551973A (en) * | 1982-10-28 | 1985-11-12 | Syntex (U.S.A.) Inc. | Hydraulic power source and valve therefor |
US4838532A (en) * | 1987-08-10 | 1989-06-13 | Aladdin Engineering & Mfg., Inc. | Fluid operated clamping device including fluid pressure locking means |
US5081904A (en) * | 1989-08-30 | 1992-01-21 | Aladdin Engineering & Mfg., Inc. | Locking valve and flow control valve assembly |
US5375418A (en) * | 1991-02-25 | 1994-12-27 | Wickes Manufacturing Company | Controlled convertible top hydraulic lock |
US5279119A (en) * | 1991-02-25 | 1994-01-18 | Wickes Manufacturing Company | Hydraulic lock and bypass for vehicle hydraulic system |
KR19990087371A (ko) * | 1996-02-28 | 1999-12-27 | 모서 다니엘 | 내하중 브레이크 밸브 |
JP3778634B2 (ja) * | 1996-11-22 | 2006-05-24 | Smc株式会社 | パイロットチェック弁付スピードコントローラ |
US5960814A (en) * | 1997-09-12 | 1999-10-05 | Ngt, Llc. | Counter balanced locking valve |
US6477937B1 (en) * | 1999-12-13 | 2002-11-12 | Aladdin Engineering & Manufacturing | Valve arrangement including release valve |
US6520342B1 (en) | 2000-02-16 | 2003-02-18 | Aladdin Engineering & Manufacturing, Inc. | Product handling apparatus |
WO2008107671A1 (en) * | 2007-03-05 | 2008-09-12 | Premium Aircraft Interiors Uk Ltd | Hydraulic actuator |
US8262058B2 (en) * | 2008-08-28 | 2012-09-11 | Kot Norbert J | Balanced pilot operated check valve |
US20100090143A1 (en) * | 2008-08-28 | 2010-04-15 | Kot Norbert J | Dual locking valve |
US9611871B2 (en) | 2013-09-13 | 2017-04-04 | Norbert J. Kot | Pneumatic valve assembly and method |
CN108869418B (zh) * | 2018-07-12 | 2019-11-12 | 中航飞机起落架有限责任公司 | 一种起落架转弯系统双向安全集成控制活门 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1720389A (en) * | 1928-01-07 | 1929-07-09 | Binks Mfg Co | Air-control valve for spray guns |
US1929973A (en) * | 1933-04-22 | 1933-10-10 | William A Hardy & Sons Co | Valve construction |
US2483312A (en) * | 1944-08-02 | 1949-09-27 | Bendix Aviat Corp | Valve |
US2588520A (en) * | 1946-10-12 | 1952-03-11 | Minneapolis Moline Co | Hydraulically operated check valve mechanism |
US2799994A (en) * | 1954-03-22 | 1957-07-23 | Ibm | Hydraulic drive and braking system |
US2830561A (en) * | 1955-03-22 | 1958-04-15 | Int Harvester Co | Telemeter type hydraulic power transmitting system |
US3015316A (en) * | 1959-01-08 | 1962-01-02 | William Waterman | Counterbalance valves and the like |
US2991759A (en) * | 1960-05-17 | 1961-07-11 | John S Pilch | Cushioning and flow control valve |
US3213874A (en) * | 1961-06-02 | 1965-10-26 | Parker Hannifin Corp | Pressure responsive flow control valve for directional control valve |
US3272086A (en) * | 1965-03-02 | 1966-09-13 | Holley Carburetor Co | Reversible self-locking hydraulic system |
US3795178A (en) * | 1972-09-11 | 1974-03-05 | R Roche | Hydraulic actuator holding system |
-
1973
- 1973-07-03 NL NL7309231A patent/NL7309231A/xx not_active Application Discontinuation
-
1974
- 1974-06-04 GB GB2467774A patent/GB1443650A/en not_active Expired
- 1974-06-06 DE DE19742427316 patent/DE2427316A1/de not_active Withdrawn
- 1974-06-07 US US05/477,499 patent/US3975987A/en not_active Expired - Lifetime
- 1974-07-02 IT IT69105/74A patent/IT1016532B/it active
- 1974-07-02 SE SE7408727A patent/SE409891B/xx unknown
- 1974-07-03 FR FR7423179A patent/FR2236100B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1443650A (en) | 1976-07-21 |
FR2236100A1 (it) | 1975-01-31 |
SE409891B (sv) | 1979-09-10 |
SE7408727L (sv) | 1975-01-07 |
FR2236100B1 (it) | 1976-10-22 |
US3975987A (en) | 1976-08-24 |
DE2427316A1 (de) | 1975-01-30 |
NL7309231A (nl) | 1975-01-07 |
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