Patent application number | Description | Published |
20090308692 | Lubricating Pump with Double-Acting Drive Piston - The invention relates to an automatic lubricating pump ( | 12-17-2009 |
20100272584 | Fluid supplying device - A fluid supplying device comprises a reservoir configured to store a fluid and a conveying element disposed in or in fluid communication with a lower portion of the reservoir. The conveying element includes a rotatable shaft and a device configured to convey or move a fluid, e.g., a lubricant. A radial-piston pump having at least one radial-piston unit is in fluid communication with a fluid output of the conveying element. The pump comprises a shaft part rotatably coupled with the shaft of the conveying element. A motor drives both the conveying element and the pump. The motor, the conveying element shaft and the pump are sequentially arranged one after another in the axial direction of the shaft. | 10-28-2010 |
20110174577 | LUBRICANT SUPPLY DEVICE AND METHOD FOR OPERATING A LUBRICANT SUPPLY DEVICE - A lubricant supply device comprises a tank configured to hold a lubricant. At least one movable piston unit is disposed in the holding tank and at least partially defines a lubricant chamber. The lubricant chamber has at least two openings, of which one is a lubricant inlet and the other is a lubricant outlet. A first one of the openings is disposed in the movable piston unit. | 07-21-2011 |
20120132287 | PUMP FOR CONVEYING A MEDIUM AND LUBRICATING SYSTEM CONTAINING THE SAME - A pump for conveying a medium comprises a pump chamber having an intake opening and an outlet opening. A movable component is movably disposed in the pump chamber in order to convey a batch of the medium, which is located in the pump chamber, from the intake opening to the outlet opening. A ventilation device has a ventilation opening in fluid communication with the pump chamber. The ventilation opening is different from the intake opening and the outlet opening. The ventilation device is configured to reduce or at least substantially prevent, at least temporarily, the formation of a partial vacuum or a negative pressure in the pump chamber. | 05-31-2012 |