Electromagnetic driving mechanism for oscillating displacement pumps

PCT No. PCT/DE79/00053 Sec. 371 Date Jan. 17, 1980 Sec. 102(e) Date Jan. 17, 1980 PCT Filed May 31, 1979 PCT Pub. No. WO79/01155 PCT Pub. Date Dec. 27, 1979. Electromagnetic driving mechanism for oscillating displacement pumps (10) is described which comprises a linear motor (21, 22) and a control c...

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Bibliographische Detailangaben
Hauptverfasser:	BRAMM, GUENTER, NOVAK, PAVEL
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Zusammenfassung:	PCT No. PCT/DE79/00053 Sec. 371 Date Jan. 17, 1980 Sec. 102(e) Date Jan. 17, 1980 PCT Filed May 31, 1979 PCT Pub. No. WO79/01155 PCT Pub. Date Dec. 27, 1979. Electromagnetic driving mechanism for oscillating displacement pumps (10) is described which comprises a linear motor (21, 22) and a control circuit (51, 52, 53, 54). The control circuit controls the stroke movement of the linear motor (21, 22) in response to the deviation of the actual value of a stroke parameter (stroke distance, stroke speed, stroke acceleration, and pressure of the medium being pumped) from the reference value of this stroke parameter. A preferred embodiment is assembled in such a manner that the pump (10) proper may be easily exchanged and constructed as a discardable unit. Such a pump unit (10) is particularly desirable in connection with blood pumps.