Patent · US Expired

System for controlling the number of waste liquid disposal units in operation

US4278104A · kind A · utility

1Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1978
Grant dateJul 14, 1981
Priority date
Expiry dateAug 29, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2657
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A system for controlling the number of waste liquid disposal units in operation is disclosed in which the amount of waste liquid to be produced during a predetermined period of time is forecast, and the forecast result is used to calculate the required minimum number N of the waste liquid disposal units according to a predetermined formula, thereby to control the operation of the required minimum number N of the units among a plurality of waste liquid disposal units.

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