System for controlling the number of waste liquid disposal units in operation
US4278104A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1978 |
| Grant date | Jul 14, 1981 |
| Priority date | — |
| Expiry date | Aug 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.