Deep well irrigation pump

Provided herein are exemplary embodiments of an efficient pump apparatus. In one embodiment the pump apparatus comprises a piston assembly loosely disposed within a cylinder. The piston assembly includes a driving cable connecting a top leaky piston and a bottom leaky piston having a check valve con...

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Bibliographische Detailangaben
1. Verfasser:	FISHER MARTIN J.,CARLSON LAWRENCE E.,TARBELL BEN,KAPLAN JONATHAN I.,YOM-TOV OPHER DORON,ADLER ARI T.,KURJAN CHRISTINE M.,LISTER ROBERT IAN,BANERJEE SHILAJETT,SWALEH MOHAMMED,SPYBEY ALAN C.,MUSA ABDILK
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	Provided herein are exemplary embodiments of an efficient pump apparatus. In one embodiment the pump apparatus comprises a piston assembly loosely disposed within a cylinder. The piston assembly includes a driving cable connecting a top leaky piston and a bottom leaky piston having a check valve connected thereto. The cylinder includes an outlet pipe at an upper portion thereof and a check valve located at a lower end of the cylinder. The pistons move in the cylinder at a velocity relative to the conduit such that as the pistons move along the cylinder they create a substantial tortuous leak path forming a hydrodynamic seal between the pistons and the cylinder.