Patent · US Expired

Pump controller for precision pumping apparatus

US7476087B2 · kind B2 · utility

35Cited by
103References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2005
Grant dateJan 13, 2009
Priority date
Expiry dateDec 10, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B2205/03
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pump controller and pump controlling method for dispensing a precise amount of low viscosity fluid are provided in which the problems of double dispenses and stuttered dispenses are avoided. In particular, the timing of the valves and motors in the pumping apparatus are adjusted to avoid these problems.

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