Heating and hot water supply system
US10551074B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 23, 2014 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Feb 19, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/12
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The system includes: a heat pump unit; a hot water supply heat exchanger; heating heat exchangers; a pump; heat medium pipes that connect a discharge side of the pump, the heat pump unit, the hot water supply heat exchanger, the heating heat exchangers, and a suction side of the pump in order; a first bypass pipe that bypasses the hot water supply heat exchanger from the heat medium pipe; a second bypass pipe that bypasses the heating heat exchangers from the heat medium pipe; a four-way valve that regulates flow distribution of the heat medium between the hot water supply heat exchanger and the first bypass pipe 22, and between the heating heat exchangers and the second bypass pipe; and a control unit for controlling the four-way valve in accordance with a hot water supply request and a heating request.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.