Patent · US Expired

Regenerative pump having movable walls adjacent opposing faces of the impeller

US5599163A · kind A · utility

19Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 11, 1995
Grant dateFeb 4, 1997
Priority date
Expiry dateOct 11, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D15/005
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A regenerative pump is provided in which an impeller is centrally located within a cavity and variable volume side channels are provided such that the pump characteristic can be varied. A control mechanism is provided for controlling the volume of each side channel in a symmetrical manner.

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