SE7700886L - Regleringsventil for hydrauliska system - Google Patents
Regleringsventil for hydrauliska systemInfo
- Publication number
- SE7700886L SE7700886L SE7700886A SE7700886A SE7700886L SE 7700886 L SE7700886 L SE 7700886L SE 7700886 A SE7700886 A SE 7700886A SE 7700886 A SE7700886 A SE 7700886A SE 7700886 L SE7700886 L SE 7700886L
- Authority
- SE
- Sweden
- Prior art keywords
- valve
- cylinder
- compensating means
- control valve
- reservoir
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
- A01B63/112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to control draught load, i.e. tractive force
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/692,293 US4030295A (en) | 1976-06-03 | 1976-06-03 | Control valve for tractor-implement hydraulic system |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7700886L true SE7700886L (sv) | 1977-12-04 |
Family
ID=24780000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7700886A SE7700886L (sv) | 1976-06-03 | 1977-01-27 | Regleringsventil for hydrauliska system |
Country Status (8)
Country | Link |
---|---|
US (1) | US4030295A (sv) |
AU (1) | AU503494B2 (sv) |
BR (1) | BR7703521A (sv) |
CA (1) | CA1031243A (sv) |
FR (1) | FR2353216A1 (sv) |
GB (1) | GB1561284A (sv) |
SE (1) | SE7700886L (sv) |
ZA (1) | ZA771938B (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2435187A1 (fr) * | 1978-09-08 | 1980-04-04 | Renault | Dispositif de relevage electrohydraulique d'outils agraires |
US4869065A (en) * | 1988-05-09 | 1989-09-26 | Caterpillar Inc. | Single spool selector valve for simultaneous pump displacement and motor direction control in hydrostatic drive |
US10626896B2 (en) | 2018-08-10 | 2020-04-21 | Cnh Industrial America Llc | Control system for flushing contaminated hydraulic fluid |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH426341A (de) * | 1960-12-27 | 1966-12-15 | Hans Dipl Ing Molly | Hydraulische Hebevorrichtung, insbesondere zum Regeln der Pflugtiefe |
FR1363918A (fr) * | 1963-03-04 | 1964-06-19 | Renault | Dispositif hydraulique de relevage d'outil et de contrôle d'effort pour tracteurs agricoles |
US3235010A (en) * | 1964-01-30 | 1966-02-15 | Case Co J I | Load depth control valve |
US3486334A (en) * | 1968-05-16 | 1969-12-30 | Cessna Aircraft Co | Hydraulic power transmission control |
US3604312A (en) * | 1969-10-23 | 1971-09-14 | Allis Chalmers Mfg Co | Draft control valve |
US3865514A (en) * | 1973-07-25 | 1975-02-11 | Sperry Rand Corp | Power transmission |
-
1976
- 1976-06-03 US US05/692,293 patent/US4030295A/en not_active Expired - Lifetime
-
1977
- 1977-01-27 SE SE7700886A patent/SE7700886L/sv not_active Application Discontinuation
- 1977-03-14 CA CA273,867A patent/CA1031243A/en not_active Expired
- 1977-03-30 ZA ZA00771938A patent/ZA771938B/xx unknown
- 1977-04-04 AU AU23932/77A patent/AU503494B2/en not_active Expired
- 1977-04-29 GB GB18071/77A patent/GB1561284A/en not_active Expired
- 1977-05-31 BR BR7703521A patent/BR7703521A/pt unknown
- 1977-06-01 FR FR7716710A patent/FR2353216A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1561284A (en) | 1980-02-20 |
FR2353216A1 (fr) | 1977-12-30 |
AU503494B2 (en) | 1979-09-06 |
CA1031243A (en) | 1978-05-16 |
US4030295A (en) | 1977-06-21 |
BR7703521A (pt) | 1978-03-14 |
ZA771938B (en) | 1978-02-22 |
AU2393277A (en) | 1978-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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