Vacuum pump, and control device of vacuum pump
US11821440B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2019 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Jan 3, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D19/042
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
To provide a vacuum pump capable of efficiently cooling electrical equipment. The vacuum pump comprises a pump main body, and an electrical equipment case disposed outside the pump main body, wherein the electrical equipment case includes a cooling jacket in which a cooling medium flow passage is formed, and a power supply circuit portion that has a circuit component and can be cooled by the cooling jacket, the power supply circuit portion being attached to the cooling jacket so that heat from the electrical component portion can be transferred, and the cooling jacket includes a jacket main body and a cooling pipe for circulating cooling water in the jacket main body, and partially exposes the cooling pipe toward the power supply circuit portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.