FR2264469B1 - - Google Patents
Info
- Publication number
- FR2264469B1 FR2264469B1 FR7508957A FR7508957A FR2264469B1 FR 2264469 B1 FR2264469 B1 FR 2264469B1 FR 7508957 A FR7508957 A FR 7508957A FR 7508957 A FR7508957 A FR 7508957A FR 2264469 B1 FR2264469 B1 FR 2264469B1
- Authority
- FR
- France
- 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.)
- Expired
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
- A01B3/00—Ploughs with fixed plough-shares
- A01B3/36—Ploughs mounted on tractors
- A01B3/40—Alternating ploughs
- A01B3/42—Turn-wrest ploughs
- A01B3/421—Turn-wrest ploughs with a headstock frame made in one piece
-
- 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)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742414020 DE2414020C3 (de) | 1974-03-22 | 1974-03-22 | Vorrichtung zur Steuerung eines doppelt wirkenden Hydraulikzylinders bei einem von der einen in die andere Arbeitsstellung schwenkbaren Drehpflug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2264469A1 FR2264469A1 (en) | 1975-10-17 |
| FR2264469B1 true FR2264469B1 (enExample) | 1980-12-26 |
Family
ID=5910937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7508957A Granted FR2264469A1 (en) | 1974-03-22 | 1975-03-21 | Double-acting hydraulic cylinder control on rotary plough - has block mounting sleeve valve controlling blocking devices via surfaces |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2414020C3 (enExample) |
| FR (1) | FR2264469A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945120A1 (de) * | 1979-11-08 | 1981-05-14 | Mogilevskij avtomobil'njy zavod imeni S.M. Kirova, Mogilev | Hydraulischer oder pneumatischer antrieb mit mehreren unabhaengig arbeitenden motoren |
| AT407661B (de) * | 1998-08-04 | 2001-05-25 | Hygrama Ag | Druckmittelzylinder, weichenventil und druckmittelbetätigte arbeitseinheit |
| AT517217B1 (de) * | 2015-06-18 | 2016-12-15 | Avl List Gmbh | Längenverstellbare pleuelstange |
| US10570818B2 (en) | 2015-06-18 | 2020-02-25 | Avl List Gmbh | Longitudinally adjustable connecting rod |
| AT518563B1 (de) * | 2016-04-29 | 2018-01-15 | Avl List Gmbh | Längenverstellbare pleuelstange |
| AT517511A1 (de) | 2015-08-10 | 2017-02-15 | Avl List Gmbh | Hubkolbenmaschine, insbesondere brennkraftmaschine |
| US10954849B2 (en) | 2015-12-14 | 2021-03-23 | Avl List Gmbh | Length-adjustable connecting rod with electromagnetically-actuatable switching valve |
| AT519011B1 (de) | 2016-05-31 | 2018-03-15 | Avl List Gmbh | Hubkolbenmaschine |
| DE102016008306A1 (de) | 2016-07-06 | 2018-01-11 | Avl List Gmbh | Pleuel mit verstellbarer Pleuellänge |
| AT519360B1 (de) | 2017-02-24 | 2018-06-15 | Avl List Gmbh | Verfahren zum Betrieb einer Hubkolbenmaschine mit wenigstens einer hydraulisch längenverstellbaren Pleuelstange |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB771396A (en) * | 1954-03-19 | 1957-04-03 | Ford Motor Co | Improvements in or relating to hydraulic systems for tractor power-lift mechanisms |
| DE1830221U (de) * | 1961-01-18 | 1961-04-27 | Eberhardt Geb | Arbeitszylinder an bodenbearbeitungsgeraeten. |
| DE1287345B (de) * | 1967-12-15 | 1969-01-16 | Rabewerk Inh Heinrich Clausing | Hydraulische Antriebsvorrichtung fuer die Drehvorrichtung von Drehpfluegen |
| US3500721A (en) * | 1968-07-23 | 1970-03-17 | Eaton Yale & Towne | Hydraulic control for two hydraulic motors |
| DE7105938U (de) * | 1971-02-17 | 1972-08-31 | Buchmuehlen W Kg | Drehpflug mit hydraulischer wendevorrichtung |
-
1974
- 1974-03-22 DE DE19742414020 patent/DE2414020C3/de not_active Expired
-
1975
- 1975-03-21 FR FR7508957A patent/FR2264469A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2414020B2 (de) | 1977-02-17 |
| DE2414020A1 (de) | 1975-10-02 |
| DE2414020C3 (de) | 1986-01-02 |
| FR2264469A1 (en) | 1975-10-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |