DEVICE AND METHOD FOR THE METERED DISCHARGING OF A VISCOUS MEDIUM |
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| 申请号 | PCT/EP2004008533 | 申请日 | 2004-07-29 | 公开(公告)号 | WO2005012845A3 | 公开(公告)日 | 2005-03-31 |
| 申请人 | FRAUNHOFER GES FORSCHUNG; OTHMAN NABIH; | 发明人 | OTHMAN NABIH; | ||||
| 摘要 | Disclosed are a device and a method for the metered discharging of a viscous medium from a cartridge-needle unit, comprising a piston unit which is driven by an actuator so as to axially penetrate into the cartridge that is open at one end and discharge a metered quantity of the viscous medium through the needle unit by means of pressure impingement within the cartridge. The invention is characterized in that the piston unit is provided with a piston head which penetrates into the cartridge and on which sensors are mounted that detect the pressure and/or the temperature and can be brought into contact with the viscous medium located in the cartridge while a control unit is provided which controls the actuator in accordance with a set-point quantity of viscous medium that is to be discharged and the pressure detected by a sensor and/or the temperature detected by a sensor within the viscous medium. | ||||||
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