ZA742721B - Selectively actuatable shock absorbing system for an implement control circuit - Google Patents
Selectively actuatable shock absorbing system for an implement control circuitInfo
- Publication number
- ZA742721B ZA742721B ZA00742721A ZA742721A ZA742721B ZA 742721 B ZA742721 B ZA 742721B ZA 00742721 A ZA00742721 A ZA 00742721A ZA 742721 A ZA742721 A ZA 742721A ZA 742721 B ZA742721 B ZA 742721B
- Authority
- ZA
- South Africa
- Prior art keywords
- control circuit
- shock absorbing
- implement control
- absorbing system
- selectively actuatable
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with 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
- 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)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Damping Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US356362A US3872670A (en) | 1973-05-02 | 1973-05-02 | Selectively actuatable shock absorbing system for an implement control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA742721B true ZA742721B (en) | 1975-05-28 |
Family
ID=23401159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00742721A ZA742721B (en) | 1973-05-02 | 1974-04-30 | Selectively actuatable shock absorbing system for an implement control circuit |
Country Status (7)
Country | Link |
---|---|
US (1) | US3872670A (xx) |
JP (2) | JPS5525281B2 (xx) |
BE (1) | BE814490A (xx) |
BR (1) | BR7403230D0 (xx) |
CA (1) | CA1001927A (xx) |
GB (1) | GB1421878A (xx) |
ZA (1) | ZA742721B (xx) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034815A (en) * | 1975-03-20 | 1977-07-12 | Caterpillar Tractor Co. | Blade lift float circuit for motor graders |
US4026468A (en) * | 1975-08-14 | 1977-05-31 | Mccord Corporation | Headlamp cleaning assembly |
US4024796A (en) * | 1975-09-24 | 1977-05-24 | Caterpillar Tractor Co. | Float control electrical circuit for a blade |
US4286432A (en) * | 1979-08-30 | 1981-09-01 | Caterpillar Tractor Co. | Lock valve with variable length piston and hydraulic system for a work implement using the same |
JPS56501058A (xx) * | 1979-08-30 | 1981-07-30 | ||
FI60429C (fi) * | 1980-06-05 | 1982-01-11 | Tampella Oy Ab | Hydraulisk kolvcylinderanordning med sitt ventilorgan |
DE3206162A1 (de) * | 1982-02-20 | 1983-09-01 | Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim | Antrieb fuer eine mittels eines hydromotors bewegbaren masse |
SE456682B (sv) * | 1987-06-26 | 1988-10-24 | Maskin Ab Tube | Saett och anordning foer konstanttryckreglering av ett vaeghyvelblad |
DE3739525A1 (de) * | 1987-11-21 | 1989-06-01 | Orenstein & Koppel Ag | Planierfahrzeug |
US4949802A (en) * | 1988-10-25 | 1990-08-21 | Deere & Company | Hydraulic steering systems dampening devices |
WO1990005814A1 (en) * | 1988-11-23 | 1990-05-31 | A & T Hansson Konsult Ab | Shock absorbing device for a mobile machine |
US5046311A (en) * | 1989-12-14 | 1991-09-10 | Cartner Jack O | Hydraulic control system |
US5147172A (en) * | 1991-09-03 | 1992-09-15 | Caterpillar Inc. | Automatic ride control |
ATE150508T1 (de) * | 1991-09-04 | 1997-04-15 | Orenstein & Koppel Ag | Hydraulisches schwingungsdämpfungssystem für mit arbeitsgeräten versehene arbeitsmaschinen |
US5596823A (en) * | 1995-12-12 | 1997-01-28 | Caterpillar Inc. | Hydraulic system for a double acting cylinder |
US5718115A (en) * | 1996-05-31 | 1998-02-17 | Aim, Inc. | Constant force hydraulic control system |
EP1914353A3 (en) | 2006-10-19 | 2011-04-20 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
US20090057045A1 (en) * | 2007-08-29 | 2009-03-05 | Cnh America Llc | Hydraulic system to deter lift arm chatter |
JP2011169425A (ja) | 2010-02-19 | 2011-09-01 | Seiko Epson Corp | アクチュエーター |
CN102295154B (zh) * | 2011-06-08 | 2012-12-26 | 徐州五洋科技股份有限公司 | 一种下运带式输送机盘式制动装置用电液控制系统 |
CN103129919B (zh) * | 2013-03-12 | 2015-05-20 | 太原理工大学 | 矿井带式输送机盘式制动装置电液控制系统 |
CN106224423B (zh) * | 2016-10-14 | 2018-10-23 | 北京汽车研究总院有限公司 | 一种车辆减振系统 |
US20200399859A1 (en) * | 2019-06-18 | 2020-12-24 | Deere & Company | Hydraulic Accumulator Assembly |
CN113494488B (zh) * | 2020-04-03 | 2022-07-19 | 广东博智林机器人有限公司 | 一种液压控制阀组和伺服阀控缸系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2001620A (en) * | 1934-03-27 | 1935-05-14 | Inv S Aeronautiques Et Mechani | Retractable landing gear for aeroplanes |
US2147536A (en) * | 1936-11-10 | 1939-02-14 | Siam | Retractable landing gear for airplanes |
US3381587A (en) * | 1965-09-10 | 1968-05-07 | Deere & Co | Hydraulic control system |
US3385169A (en) * | 1965-09-30 | 1968-05-28 | Bell Telephone Labor Inc | Hydraulic system for maintaining the position of a fluid motor |
-
1973
- 1973-05-02 US US356362A patent/US3872670A/en not_active Expired - Lifetime
-
1974
- 1974-04-22 BR BR3230/74A patent/BR7403230D0/pt unknown
- 1974-04-26 CA CA198,213A patent/CA1001927A/en not_active Expired
- 1974-04-30 ZA ZA00742721A patent/ZA742721B/xx unknown
- 1974-05-02 JP JP5017174A patent/JPS5525281B2/ja not_active Expired
- 1974-05-02 BE BE143872A patent/BE814490A/xx not_active IP Right Cessation
- 1974-05-02 GB GB1937774A patent/GB1421878A/en not_active Expired
-
1981
- 1981-07-03 JP JP56104953A patent/JPS5747047A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
BR7403230D0 (pt) | 1974-11-19 |
US3872670A (en) | 1975-03-25 |
BE814490A (fr) | 1974-11-04 |
JPS5747047A (en) | 1982-03-17 |
AU6844874A (en) | 1975-11-06 |
GB1421878A (en) | 1976-01-21 |
CA1001927A (en) | 1976-12-21 |
JPS5013785A (xx) | 1975-02-13 |
JPS5525281B2 (xx) | 1980-07-04 |
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