Head mechanism and fan apparatus
US12305666B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2024 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Jun 5, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/441
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided in embodiments of the present application are a head mechanism and a fan apparatus. The head mechanism includes: a casing, where a primary air inlet and an air outlet are provided on a circumferential side wall of the casing, and an auxiliary air inlet is provided on an axial wall surface of the casing; and a centrifugal volute arranged in the casing, where a centrifugal fan is arranged in the centrifugal volute, and an air duct outlet corresponding to the air outlet and an air duct inlet corresponding to the auxiliary air inlet are provided on the centrifugal volute; and air flowing from the primary air inlet and the auxiliary air inlet flows into the centrifugal volute through the air duct inlet. According to the embodiment of the present application, since the primary air inlet located on the circumferential side wall is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.