Patent · US Expired

Switch for controlling the motor of a piston pump

US6419456B1 · kind B1 · utility

7Cited by
24References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2000
Grant dateJul 16, 2002
Priority date
Expiry dateJul 26, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B2205/05
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A fluid pump having a motor operably coupled to a pump assembly, the motor and pump assembly acting cooperatively to pressurize a fluid includes a pressure switch being in communication with the fluid under pressure and being in communication with the motor for sensing the fluid pressure and controlling the operation of the motor to maintain a selected fluid pressure. A method of controlling fluid pressure in a fluid pump, the fluid pressure being generated by activating a pump motor to operate a pump assembly.

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