Motor-driven compressor with noise reduction unit
US12424911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2024 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Apr 17, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2017/0093
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor-driven compressor includes a housing that accommodates an inverter device. A noise reduction unit of the inverter device includes a common mode choke coil including a looped core and two windings wound around the core, and a looped conductor surrounding the two windings. The conductor is configured so that an induced current flows in the conductor in a circumferential direction of the conductor to resist changes in a leakage magnetic flux from the core. The conductor includes a housing-side conductor portion located between the two windings and the housing. The housing-side conductor portion includes a through-hole that extends through the housing-side conductor portion in the axial direction of the core. The housing includes a projection that is inserted into the through-hole and opposed to the two windings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.