Equipment including a heat pump for heating an external fluid with a large temperature differential
US9970691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2013 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Aug 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A30/274
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An equipment including a heat pump for heating with a large temperature differential an external fluid, said heat pump including: first and second heat exchangers; a coolant; a coolant circuit including a compression unit connected to an outlet of the first heat exchanger and to an inlet of the second heat exchanger and an expansion unit connected to an outlet of the second heat exchanger and to an inlet of the first heat exchanger, wherein the coolant is one of the coolants selected from among a hydrofluorocarbon coolant and a hydrofluoroolefin coolant, and wherein the second heat exchanger and the coolant circuit are suitable for circulating the coolant in a transcritical cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.