Outdoor unit for heat recovery VRF air conditioning system and heat recovery VRF air conditioning system
US10260785B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 27, 2016 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Apr 8, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2313/0253
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An outdoor unit for a heat recovery VRF air conditioning system and a heat recovery VRF air conditioning system are provided. The outdoor unit comprises: a compressor, having an exhaust port and a gas return port; a reversing assembly, having a first valve port, a second valve port, a third valve port and a fourth valve port; an outdoor heat exchanger, having a first end connected to the first valve port, and a second end connected to the second connector; a plurality of one-way valves, wherein each one-way valve has a circulation end and a stop end, and each one-way valve is opened only in one direction from the circulation end to the stop end; a throttling element; and a gas-liquid separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.