Hot-water supply system
US6627858B2 · kind B2 · utility
23Cited by
6References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 28, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Dec 17, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24D19/1054
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In a control unit of a hot-water supply system, a boiling time period is estimated based on a hot-water amount stored in a tank at a time of 23:00, a boiling start time is adjusted so that boiling operation is finished at a time immediately before 7:00. For example, when the hot water amount stored in the tank is smaller at the time of 23:00, the boiling time period is made longer and the boiling start time is made earlier. On the other hand, when the hot water amount stored in the tank is larger at the time of 23:00, the boiling time period is made shorter and the boiling start time is made later.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.