Waterproof motor
US11855508B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2023 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Jun 30, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a waterproof motor for preventing external liquid from entering a housing thereof. The waterproof motor includes a housing, a motor shaft, a bearing, a motor packing, and a motor shaft O-ring provided between the motor packing and the bearing, wherein the motor shaft O-ring has a through hole formed in the center of a body part so that the motor shaft is inserted thereinto, projection parts are formed on the inner wall surface of the through hole toward the center of the through hole so as to be elastically deformed while outer surfaces of the projection parts come into contact with the outer surface of the motor shaft, and a storage groove is formed between the projection parts and stores lubricating oil such as grease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.