摘要:
A multi-pump horizontal pumping system has a support structure (12) with a plurality of pumps (18) horizontally connected thereto in parallel and side-by-side relationship. A gear box (16) operatively interconnects an electric motor (14) to each ofthe pumps with a thrust bearing (30) operatively connected to each pump shaft (32) of each pump between the gear box and each pump. Piping (36) conveys fluids to and from the pumps in parallel or series flow. The multi-pump arrangement provides redundant pumping ability in remote locations where pumps fail more often than the electric motors, and in remote locations where size and weight considerations prevent the use of multiple single-pump horizontal pumping systems.
摘要:
A multi-pump horizontal pumping system has a support structure (12) with a plurality of pumps (18) horizontally connected thereto in parallel and side-by-side relationship. A gear box (16) operatively interconnects an electric motor (14) to each ofthe pumps with a thrust bearing (30) operatively connected to each pump shaft (32) of each pump between the gear box and each pump. Piping (36) conveys fluids to and from the pumps in parallel or series flow. The multi-pump arrangement provides redundant pumping ability in remote locations where pumps fail more often than the electric motors, and in remote locations where size and weight considerations prevent the use of multiple single-pump horizontal pumping systems.
摘要:
A pump casing made of sheet metal has a substantially cylindrical cup-shaped sheet-metal pump casing having a bottom on one axial end thereof and an opening defined in an opposite axial end thereof. The interior of the pump casing is divided by a partition wall disposed therein into a suction chamber and a hydrocasing chamber with an impeller rotatably housed therein. A suction nozzle is mounted on a cylindrical side wall of the pump casing and communicates with the suction chamber. The partition wall is joined to the bottom of the pump casing. The suction nozzle is positioned over the suction and hydrocasing chambers.
摘要:
Die Erfindung betrifft eine Doppelpumpe mit einem Einlaß A für beide Pumpen, von dem ein Einlaßkanal zu beiden Ausgangsöffnungen der zwei Pumpen verzweigt, wobei der Einlaßkanal 2,3 vor und/oder hinter der Verzweigung seitlich mindestens eine zu einer Kammer 6,7 oder zu einem Seitenkanal führende Öffnung 4,5,8,9 aufweist, durch die in der Kammer bzw. in dem Seitenkanal ein Unterdruck erzeugbar ist, wobei das Innere der nicht laufenden Pumpe mit der Kammer/dem Seitenkanal verbunden ist, so daß Luft aus der nicht laufenden Pumpe ansaugbar ist.
摘要:
A canned motor for use in a pump has an outer frame casing fitted over a stator, a pair of side frame members welded to respective open ends of the outer frame casing, a can fitted in the stator and joined to the side frame members, and an outer cylinder disposed around the outer frame casing with an annular spaced defined therebetween, the outer cylinder being welded to the outer frame casing. The outer cylinder has a pair of flanges disposed respectively on axially spaced open ends thereof for attachment to components of a pump assembly and holding a fluid being handled within the outer cylinder. The outer cylinder has a hole defined in an outer circumferential wall thereof for passing leads for connection to a power supply.
摘要:
A motor pump group has a plurality of centrifugal pumps of the same nominal port diameter including a plurality of impellers having stepwise greater outside diameters for stepwise higher pump heads, and a plurality of respective motors for actuating the pumps. The pump heads are classified into a low head section and a high head section. The low head section is handled by a single-stage impeller, and the high head section is handled by multi-stage impellers. The centrifugal pumps have respective pressed-sheet pump casings. The outside diameters of the impellers are not required to be increased in the high head section, and the outside diameters of the pump casings fall in a relatively small range.
摘要:
Ein Mehrdruckdampferzeuger insbesondere Abhitzekessel mit Hoch- und Niederdruckheizflächen wird mittels einer mehrstufigen Speisepumpe (1) angespeist, wobei das Speisepumpenaggregat mindestens zwei Druckstutzen (2, 3) aufweist, an welchen die Niederdruckleitung (11) bzw. Hochdruckleitung (10) des Dampferzeugers angechlossen ist. Die Speisepumpe (1, 1') kann auch mehrgehäusig ausgebildet sein, wobei in der Verbindungsleitung der einzelnen Gehäuse eine Abzweigleitung für die unterschiedlichen Druckbereiche angeschlossen werden kann. Durch die Erfindung wird die Anspeisung vereinfacht indem die Anzahl der Speisepumpenaggregate reduziert wird (Fig.1).
摘要:
Die Erfindung betrifft eine Doppel-Kreiselpumpe mit zwei in einem Gehäuse (2) gelagerten Pumpenlaufrädern und zwei parallele nebeneinander angeordnete Elektromotoren (9) wobei, das Pumpengehäuse (2, 11) eine ebene Seitenwand (6) aufweist, in der Ein- und Auslaß (4, 7, 8) liegen, das Pumpengehäuse (2, 11) mit dieser flachen Seitenwand (6) an einer zweiten Vorrichtung insbesondere einer Verbrauchsvorrichtung befestigt ist, im Pumpengehäuse (2, 11) ein Einsatz (3) lösbar einliegt, der durch eine große Öffnung (5) der flachen Seitenwand (6) einschiebbar ist und Ein- und Auslaß (4, 7, 8) als auch innere Verbindungskanäle bildet, und im Einsatz (3) ein, oder mehrere Absperrorgane (4) insbesondere Umschlagklappen oder Rückschlagventile angeordnet sind.
摘要:
A multiple magnet drive pump is disclosed, which includes a driving magnet (10) having opposite polarities circumferentially spaced apart from each other, a plurality of driven magnets (20) on a circumference of the driving magnet for rotation in a non-contact state therewith, and a plurality of pump sections each having the driven magnet incorporated into a rotor for a pumping operation.