Patent · US Active

Nozzle insert for boosting pump inlet pressure

US8926292B2 · kind B2 · utility

1Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2009
Grant dateJan 6, 2015
Priority date
Expiry dateMar 14, 2033

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/0438
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pump assembly includes a pump housing including an inner surface, a pump inlet and an excess flow passage, a filter assembly including a spout extending into the housing, and an insert located within and secured to the housing, and including a first surface spaced from the inner surface and producing therebetween an annular nozzle communicating with said excess flow passage, the nozzle directing a first fluid stream exiting the excess flow passage toward a second fluid stream exiting the spout, the fluid streams flowing toward the pump inlet.

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