Patent · US Expired

Electric pump

US6986648B2 · kind B2 · utility

30Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2003
Grant dateJan 17, 2006
Priority date
Expiry dateFeb 4, 2024

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D29/5813
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pump including an electric motor mounted in a motor casing, and a rotatable pumping member, the pumping member when rotated by the motor pumping a first fluid, there being a first fluid flow path for the first fluid from a high pressure side of the pumping member, into the motor casing to cool the motor, and to a low pressure side of the pumping member, the pump further including a heat exchanger located between a wall of the motor casing and a heat load, the heat exchanger including a second fluid flow path for a second fluid so that in use, heat is exchanged between the first and second fluids.

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