Oil well pump driven by linear motor

A linear motor rotor and a linear motor stator form the linear motor, the lower portion of an upper pump cylinder is connected with an upper thread of a pump cylinder coupling, the upper portion of a lower pump cylinder is connected with a middle thread of the pump cylinder coupling, a lower thread...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG XUEJUN, LIU WEI, ZHOU ZHIQIANG, ZHENG XIAOQUAN, LIU JIANCHAO, GU ZHONGBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!