JPS49112401A - - Google Patents
Info
- Publication number
- JPS49112401A JPS49112401A JP49016748A JP1674874A JPS49112401A JP S49112401 A JPS49112401 A JP S49112401A JP 49016748 A JP49016748 A JP 49016748A JP 1674874 A JP1674874 A JP 1674874A JP S49112401 A JPS49112401 A JP S49112401A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/434—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Motor Power Transmission Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7304754A FR2217487B1 (it) | 1973-02-09 | 1973-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49112401A true JPS49112401A (it) | 1974-10-26 |
| JPS578251B2 JPS578251B2 (it) | 1982-02-16 |
Family
ID=9114639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1674874A Expired JPS578251B2 (it) | 1973-02-09 | 1974-02-09 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3905501A (it) |
| JP (1) | JPS578251B2 (it) |
| AR (1) | AR201756A1 (it) |
| BE (1) | BE810481A (it) |
| DE (1) | DE2405942A1 (it) |
| FR (1) | FR2217487B1 (it) |
| GB (1) | GB1449961A (it) |
| IT (1) | IT1004900B (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2812434A1 (de) * | 1977-04-07 | 1978-10-12 | Secmafer Buchelay Sa | Zugmaschine zum bewegen von grossraumflugzeugen auf flugplaetzen |
| US4353289A (en) * | 1980-05-29 | 1982-10-12 | Sperry Corporation | Power transmission |
| JPS61261507A (ja) * | 1985-05-15 | 1986-11-19 | 株式会社イナックス | 吸音構造及び吸音壁構成用ブロツク |
| US4776751A (en) * | 1987-08-19 | 1988-10-11 | Deere & Company | Crowd control system for a loader |
| US4984989A (en) * | 1989-09-07 | 1991-01-15 | Milwaukee School Of Engineering | Fluid power demonstration facility |
| US7356397B2 (en) * | 2004-06-15 | 2008-04-08 | Deere & Company | Crowd control system for a loader |
| US8543245B2 (en) * | 2009-11-20 | 2013-09-24 | Halliburton Energy Services, Inc. | Systems and methods for specifying an operational parameter for a pumping system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3542228A (en) * | 1968-03-08 | 1970-11-24 | Case Co J I | Hydrostatic control device for loader tractor |
| US3583585A (en) * | 1969-06-10 | 1971-06-08 | Tyrone Hydraulics | Hydraulic control system for a backhoe |
| FR2140722A5 (it) * | 1971-03-22 | 1973-01-19 | Poclain Sa |
-
1973
- 1973-02-09 FR FR7304754A patent/FR2217487B1/fr not_active Expired
-
1974
- 1974-01-28 GB GB387474A patent/GB1449961A/en not_active Expired
- 1974-01-30 AR AR252130A patent/AR201756A1/es active
- 1974-01-31 US US438378A patent/US3905501A/en not_active Expired - Lifetime
- 1974-02-01 BE BE2053399A patent/BE810481A/xx unknown
- 1974-02-08 IT IT67353/74A patent/IT1004900B/it active
- 1974-02-08 DE DE19742405942 patent/DE2405942A1/de not_active Withdrawn
- 1974-02-09 JP JP1674874A patent/JPS578251B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE810481A (fr) | 1974-08-01 |
| AR201756A1 (es) | 1975-04-15 |
| FR2217487B1 (it) | 1975-03-07 |
| US3905501A (en) | 1975-09-16 |
| DE2405942A1 (de) | 1974-08-15 |
| FR2217487A1 (it) | 1974-09-06 |
| JPS578251B2 (it) | 1982-02-16 |
| GB1449961A (en) | 1976-09-15 |
| IT1004900B (it) | 1976-07-20 |