ZA793166B - Controlled demand priority hydraulic circuit - Google Patents
Controlled demand priority hydraulic circuitInfo
- Publication number
- ZA793166B ZA793166B ZA793166A ZA793166A ZA793166B ZA 793166 B ZA793166 B ZA 793166B ZA 793166 A ZA793166 A ZA 793166A ZA 793166 A ZA793166 A ZA 793166A ZA 793166 B ZA793166 B ZA 793166B
- Authority
- ZA
- South Africa
- Prior art keywords
- hydraulic circuit
- demand priority
- priority hydraulic
- controlled demand
- controlled
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/005—Suspension locking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/02—Trucks; Load vehicles
- B60G2300/022—Fork lift trucks, Clark
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/325—Directional control characterised by the type of actuation mechanically actuated by an output member of the circuit
-
- 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
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional 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
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant 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
- F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/67—Methods for controlling pilot 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
- F15B2211/70—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
- F15B2211/7052—Single-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
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
-
- 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
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/950,879 US4205864A (en) | 1978-10-12 | 1978-10-12 | Controlled demand priority hydraulic circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA793166B true ZA793166B (en) | 1980-06-25 |
Family
ID=25490975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA793166A ZA793166B (en) | 1978-10-12 | 1979-06-25 | Controlled demand priority hydraulic circuit |
Country Status (6)
Country | Link |
---|---|
US (1) | US4205864A (fr) |
EP (1) | EP0020465B1 (fr) |
CA (1) | CA1092943A (fr) |
HK (1) | HK88484A (fr) |
WO (1) | WO1980000821A1 (fr) |
ZA (1) | ZA793166B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5649610U (fr) * | 1979-09-25 | 1981-05-01 | ||
DE3212286C2 (de) * | 1982-04-02 | 1984-01-12 | Integral Hydraulik & Co, 4000 Düsseldorf | Verriegelbare hydro-pneumatische Federung für Achsen mit unterschiedlichen Lasten |
US4506751A (en) * | 1982-12-21 | 1985-03-26 | Applied Power Inc. | Tilt cab truck with anti-dive and anti-sway control |
DE4115595A1 (de) * | 1991-05-14 | 1992-11-19 | Bosch Gmbh Robert | Niveauregeleinrichtung fuer fahrzeuge |
FR2702012B1 (fr) * | 1993-02-25 | 1995-05-24 | Sacmi | Dispositif hydraulique de contrôle des oscillations d'un corps mobile et application au train oscillant d'un véhicule moteur. |
JPH1120438A (ja) * | 1997-07-04 | 1999-01-26 | Toyota Autom Loom Works Ltd | ダンパーの取付構造 |
JPH1120442A (ja) * | 1997-07-08 | 1999-01-26 | Toyota Autom Loom Works Ltd | 産業車両用揺動制御装置 |
GB9812274D0 (en) | 1998-06-09 | 1998-08-05 | Rover Group | Hydraulic control systems |
US6308973B1 (en) | 1999-02-10 | 2001-10-30 | Link-Belt Construction Equipment Company, L.P., Lllp | Suspension system with axle oscillation circuit |
DE202016004580U1 (de) * | 2016-07-25 | 2016-10-27 | Liebherr-Werk Ehingen Gmbh | Achsaufhängung |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE553338A (fr) * | 1956-09-14 | 1900-01-01 | ||
US2892311A (en) * | 1958-01-08 | 1959-06-30 | Deere & Co | Hydraulic apparatus |
DE1426609B2 (de) * | 1963-09-28 | 1971-10-07 | ZKL Zavody na valiva lozhiska a traktory N P , Brunn (Tschechoslowakei) | Hydraulische einrichtung mit zwei arbeitskreisen insbesondere fuer schlepper |
US3386344A (en) * | 1966-09-30 | 1968-06-04 | Caterpillar Tractor Co | Self-loading scraper hydraulic circuit with diverter |
US3550505A (en) * | 1969-05-07 | 1970-12-29 | Gen Signal Corp | Hydraulic system including two work circuits |
DE1932994A1 (de) * | 1969-06-28 | 1971-02-04 | Bosch Gmbh Robert | Stromregelventil |
US4006667A (en) * | 1972-04-17 | 1977-02-08 | Caterpillar Tractor Co. | Hydraulic control system for load supporting hydraulic motors |
US3865135A (en) * | 1972-09-05 | 1975-02-11 | Caterpillar Tractor Co | Hydraulic control valve for fluid suspension system |
JPS506017A (fr) * | 1973-05-21 | 1975-01-22 | ||
US3911942A (en) * | 1974-03-28 | 1975-10-14 | Gen Signal Corp | Compensated multifunction hydraulic system |
US3953040A (en) * | 1975-03-05 | 1976-04-27 | Caterpillar Tractor Co. | Leveling and lockup system for wheel tractor suspension system |
US4074528A (en) * | 1976-08-02 | 1978-02-21 | J. I. Case Company | Hydraulic control system with priority flow control |
-
1978
- 1978-10-12 US US05/950,879 patent/US4205864A/en not_active Expired - Lifetime
-
1979
- 1979-06-20 WO PCT/US1979/000438 patent/WO1980000821A1/fr unknown
- 1979-06-22 CA CA330,413A patent/CA1092943A/fr not_active Expired
- 1979-06-25 ZA ZA793166A patent/ZA793166B/xx unknown
-
1980
- 1980-05-07 EP EP79901276A patent/EP0020465B1/fr not_active Expired
-
1984
- 1984-11-15 HK HK884/84A patent/HK88484A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
HK88484A (en) | 1984-11-23 |
CA1092943A (fr) | 1981-01-06 |
EP0020465B1 (fr) | 1983-08-17 |
WO1980000821A1 (fr) | 1980-05-01 |
US4205864A (en) | 1980-06-03 |
EP0020465A1 (fr) | 1981-01-07 |
EP0020465A4 (fr) | 1981-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS54158507A (en) | Control circuit | |
GB2057580B (en) | Hydraulic control circuit system | |
JPS54132078A (en) | Hydraulic system | |
GB2044754B (en) | Imidazoles | |
GB2033015B (en) | Hydraulic system | |
JPS54156202A (en) | Hydraulic controller | |
ZA793166B (en) | Controlled demand priority hydraulic circuit | |
GB2033016B (en) | Hydraulic system | |
JPS54141904A (en) | Selector | |
GB2025591B (en) | Meltingfunace for copper | |
GB2035879B (en) | Injetion moilding control | |
GB2017225B (en) | Hydraulic system | |
JPS5558895A (en) | Fetros circuit | |
JPS5527593A (en) | Hydraulic system | |
GB2025740B (en) | Noiseeliminating circuit | |
GB2016628B (en) | Compensator | |
JPS54134961A (en) | Control circuit | |
GB2026582B (en) | Hydraulic control means | |
JPS54113283A (en) | Multiifunction circuit | |
GB2056003B (en) | Dual circuit hydraulic control devices | |
GB2040121B (en) | Power control circuits | |
GB2031680B (en) | Moss-logic circuit | |
JPS5535774A (en) | Hydraulic elevator circuit | |
JPS5497868A (en) | Hydraulic breaker | |
JPS54158583A (en) | Hydraulic controller |