Patent · US Expired

Roto-dynamic pump with a backflow recirculator

US4375937A · kind A · utility

146Cited by
3References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 28, 1981
Grant dateMar 8, 1983
Priority date
Expiry dateJan 28, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S415/914
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A roto-dynamic pump having recirculating means for preventing pump cavitation surging at low flow rates and at moderate to low values of net positive suction head.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.