Hot water heating system having minimum hot water use based on minimum water temperatures and time of heating
US4620667A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1986 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Feb 10, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/1917
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A conventional hot water heating system generally of the type for heating water in multiple units of hotels, motels, schools and the like and using any heating medium has a processor and control assembly which is operationally connected to at least a water temperature sensing means and a heating control means thereof. The processor and control assembly divides the time into exact time periods, say one-half hour, and the time periods are grouped into a group of consecutive time periods, say a week. Taking any individual time period, the time periods are checked around the time period which the present time period is a repeat and time periods directly preceding the present time period, and the operational water temperature for the present time period is chosen, as well as the amount of heat required to maintain the water at that temperature on a percentage basis of heating taken from one hundred percent. In addition, the assembly exactly records the various settings throghout that particular time period and when the time period comes up again one week from now, the new settings are calculated in the same manner but using the previous time period being repeated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.