Low profile variable frequency controller with cooling and process
US9819159B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Oct 26, 2015 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Apr 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B1/565
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A housing for a variable frequency drive and its transformer, which housing has two compartments, one each for a VFD and transformer. The housing is box shaped with enclosures attached to the rear wall of each compartment, which enclosures communicate through openings in the compartments to their interiors. The VFD compartment has an exterior side wall communicating enclosure. Cooling components are disposed in each enclosure. Each compartment has inner and outer doors. The inner door of the VFD compartment has a recessed cabinet with VFD controls therein and on its door. The inner door of the transformer compartment has a grill, while its outer door has both interior and exterior louvers. The transformer compartment also holds the main circuit breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.