Patent · US Expired

Speed control for pump of filling machines

US3959703A · kind A · utility

4Cited by
6References
15Claims
0Family size

Inventor

Key dates

Filing dateDec 24, 1974
Grant dateMay 25, 1976
Priority date
Expiry dateDec 24, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S388/93
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A pump speed control for filling machines in which the rotational speed of the pump is varied between its intake stroke and the discharge stroke by selectively controlling the speed of the driving motor as a function of the rotational position of the output shaft of the driving motor.

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