FR2352174B2 - - Google Patents
Info
- Publication number
- FR2352174B2 FR2352174B2 FR7635423A FR7635423A FR2352174B2 FR 2352174 B2 FR2352174 B2 FR 2352174B2 FR 7635423 A FR7635423 A FR 7635423A FR 7635423 A FR7635423 A FR 7635423A FR 2352174 B2 FR2352174 B2 FR 2352174B2
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
- F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
- F04B7/0241—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an oscillating movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
- F01L25/063—Arrangements with main and auxiliary valves, at least one of them being fluid-driven the auxiliary valve being actuated by the working motor-piston or piston-rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
- F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
- F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
- F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
- F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Reciprocating Pumps (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5236275A IT1053265B (it) | 1975-11-24 | 1975-11-24 | Dispositivo distributore del fluido di comando per un gruppo pompante per calcestruzzo o simili |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2352174A2 FR2352174A2 (fr) | 1977-12-16 |
| FR2352174B2 true FR2352174B2 (US20030220297A1-20031127-C00009.png) | 1982-05-28 |
Family
ID=11276844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7635423A Granted FR2352174A2 (fr) | 1975-11-24 | 1976-11-24 | Appareil de pompage pour du beton frais |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0080385A1 (en) * | 1981-11-25 | 1983-06-01 | Hands-England Drilling Limited | Pump systems |
| CN111805755A (zh) * | 2020-04-09 | 2020-10-23 | 郑州三和水工机械有限公司 | 一种涉及骨料分料储料的新型搅拌楼 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1090147A (fr) * | 1952-10-03 | 1955-03-28 | Torkret Gmbh | Pompe à pistons à commande hydraulique pour la manutention de matières vis queuses ou pâteuses, par exemple de béton |
| DE1453705A1 (de) * | 1963-12-19 | 1969-09-18 | Wennberg Olav Carl Gustav | Kolbenpumpe fuer Beton oder andere Massen aehnlicher Konsistenz |
| DE1653478A1 (de) * | 1966-06-16 | 1971-03-11 | Fauner Anneliese | Betonpumpe |
| FR1524546A (fr) * | 1967-05-23 | 1968-05-10 | Pompe alternative pour produits pâteux | |
| DE2108034B2 (de) * | 1971-02-19 | 1977-02-03 | Maschinenfabrik Walter Scheele Kg, 4750 Unna-Massen | Steuereinrichtung fuer eine hydraulisch angetriebene betonpumpe |
| GB1452561A (en) * | 1973-11-16 | 1976-10-13 | Fogt Indmasch | Apparatus for pumping wet concrete |
-
1975
- 1975-11-24 IT IT5236275A patent/IT1053265B/it active
-
1976
- 1976-11-24 FR FR7635423A patent/FR2352174A2/fr active Granted
- 1976-11-24 GB GB4894676A patent/GB1507400A/en not_active Expired
- 1976-11-24 ES ES1976224672U patent/ES224672Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1507400A (en) | 1978-04-12 |
| FR2352174A2 (fr) | 1977-12-16 |
| ES224672U (es) | 1977-02-01 |
| ES224672Y (es) | 1977-06-01 |
| IT1053265B (it) | 1981-08-31 |
