IT1022093B - Dispositivo di controllo per una macchina per movimento di terra - Google Patents
Dispositivo di controllo per una macchina per movimento di terraInfo
- Publication number
- IT1022093B IT1022093B IT27446/74A IT2744674A IT1022093B IT 1022093 B IT1022093 B IT 1022093B IT 27446/74 A IT27446/74 A IT 27446/74A IT 2744674 A IT2744674 A IT 2744674A IT 1022093 B IT1022093 B IT 1022093B
- Authority
- IT
- Italy
- Prior art keywords
- earth
- control device
- moving machine
- moving
- machine
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/841—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine
-
- 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
- B60G17/015—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 the regulating means comprising electric or electronic elements
- B60G17/0152—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 the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Vehicle Body Suspensions (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Operation Control Of Excavators (AREA)
- Transplanting Machines (AREA)
- Guiding Agricultural Machines (AREA)
- Road Paving Machines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00401927A US3857577A (en) | 1973-09-28 | 1973-09-28 | Proportional frame twist slope control |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1022093B true IT1022093B (it) | 1978-03-20 |
Family
ID=23589827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27446/74A IT1022093B (it) | 1973-09-28 | 1974-09-18 | Dispositivo di controllo per una macchina per movimento di terra |
Country Status (9)
Country | Link |
---|---|
US (1) | US3857577A ( ) |
JP (1) | JPS607097B2 ( ) |
AU (1) | AU7334974A ( ) |
CA (1) | CA1019421A ( ) |
DE (1) | DE2443477C2 ( ) |
FR (1) | FR2246001A1 ( ) |
GB (1) | GB1440855A ( ) |
IT (1) | IT1022093B ( ) |
SE (1) | SE7412045L ( ) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3999623A (en) * | 1975-08-20 | 1976-12-28 | Honeywell Inc. | Frame distortion relief steering control system |
GB2155868B (en) * | 1984-03-20 | 1987-11-18 | Vernon Brian William Harvey | Ground-engaging travelling structure |
FR2579147B1 (fr) * | 1985-03-25 | 1987-05-15 | Camiva | Dispositif de fixation d'une citerne sur un vehicule a chassis deformable |
DE3534211A1 (de) * | 1985-09-25 | 1987-03-26 | Pfister Gmbh | Kraftfahrzeug und verfahren zu dessen betrieb |
GB2201926A (en) * | 1987-03-04 | 1988-09-14 | Monticolombi C G R | Improvements in or relating to a stair-climbing device |
US5941658A (en) * | 1997-06-02 | 1999-08-24 | Guntert & Zimmerman Constr. Div. Inc. | Cross-slope level control for mobile machinery |
GB9927295D0 (en) * | 1999-11-19 | 2000-01-12 | Rover Group | Vehicle suspensions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3028175A (en) * | 1959-06-15 | 1962-04-03 | Thompson Ramo Wooldridge Inc | Automatically leveling vehicle suspension system |
US3214185A (en) * | 1962-03-05 | 1965-10-26 | Int Harvester Co | Control means for a motor vehicle suspension system of the pneumatic type |
DE1214552B (de) * | 1963-03-23 | 1966-04-14 | Daimler Benz Ag | Selbsttaetige Regelvorrichtung zum Konstanthalten der Hoehenlage des Wagenkastens fuer Kraftwagen, insbesondere Personenkraftwagen |
US3637026A (en) * | 1969-10-06 | 1972-01-25 | Cmi Corp | Cross slope control of mobile machinery |
-
1973
- 1973-09-28 US US00401927A patent/US3857577A/en not_active Expired - Lifetime
-
1974
- 1974-07-16 CA CA204,859A patent/CA1019421A/en not_active Expired
- 1974-09-11 DE DE2443477A patent/DE2443477C2/de not_active Expired
- 1974-09-16 AU AU73349/74A patent/AU7334974A/en not_active Expired
- 1974-09-18 IT IT27446/74A patent/IT1022093B/it active
- 1974-09-23 FR FR7432065A patent/FR2246001A1/fr not_active Withdrawn
- 1974-09-25 SE SE7412045A patent/SE7412045L/ not_active Application Discontinuation
- 1974-09-26 GB GB4185074A patent/GB1440855A/en not_active Expired
- 1974-09-27 JP JP49111356A patent/JPS607097B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2443477A1 (de) | 1975-04-10 |
DE2443477C2 (de) | 1984-07-19 |
GB1440855A (en) | 1976-06-30 |
JPS607097B2 (ja) | 1985-02-22 |
AU7334974A (en) | 1976-03-18 |
FR2246001A1 ( ) | 1975-04-25 |
JPS5059916A ( ) | 1975-05-23 |
CA1019421A (en) | 1977-10-18 |
US3857577A (en) | 1974-12-31 |
SE7412045L ( ) | 1975-04-01 |
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