Hybrid power system for transport refrigeration systems
US12355339B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 6, 2023 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jul 6, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/0054
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transport refrigeration system includes a compressor, condenser and evaporator; an inverter providing a multiphase, AC output voltage to the compressor; and a DC power system having an output coupled to the inverter, the DC power system including: a primary power source; a DC-AC converter connected to the primary power source; a transformer connected to the DC-AC converter; an AC-DC converter connected to the transformer, the AC-DC converter outputting a primary DC voltage; a secondary power source; and a DC-DC converter connected to the secondary power source, the DC-DC converter outputting a secondary DC voltage; a combination of the primary DC voltage and the secondary DC voltage provides the output of the DC power system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.