US2003202892A1PendingUtilityA1

Positive displacement pump

Priority: Apr 30, 2002Filed: Sep 4, 2002Published: Oct 30, 2003

Est. expiryApr 30, 2022(expired)· nominal 20-yr term from priority

Inventors:Eng-Amr Aly Abdel El Rahman Orfi Eng-Alaa Aly Abdel El Rahman

F04B 53/006F04B 1/0452F04B 53/1032

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Claims

Abstract

A reversible reciprocating mechanism has a single crankshaft and geometrical equilateral shapes to organize positive displacement reciprocating movement with liquid movement for pumping or energy recovery systems.

Claims

exact text as granted — not AI-modified

1 - Manufacturing way of the liquid end as separate parts.  
     
     
         2 - Using a single crankshaft and a geometrical equilateral shapes to create an organized reciprocating movement.  
     
     
         3 - Reversing the reciprocating pump movement in order to use it as an energy recovery system.

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