Patent · US Expired

Spiral housing pump

US6146095A · kind A · utility

8Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 1998
Grant dateNov 14, 2000
Priority date
Expiry dateSep 15, 2018

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D29/448
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A housing for a double spiral circulation pump includes a spiral housing and a multipartite rib. The spiral housing defines a flow channel. The multipartite rib is disposed in the housing to divide the flow channel. The multipartite rib includes at least two rib parts spaced from each other to define a gap therebetween.

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