COLLAR PLUNGER OF DEEP WELL PUMP

FIELD: oil industry. SUBSTANCE: collar plunger of a deep well pump has ring grooves made on the outer cylindrical surface. The grooves receive elastic self-sealed collars provided with lubricating members. In addition there are additional collar at the ends of the plunger. EFFECT: enhanced reliabili...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUZNETSOV V.I, KLIMOV V.P, FEDORIN V.R, BLINOV JU.I, JARYGIN V.N, PYKHOV S.I, KHOKHLOV N.P
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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