Miniature blower
US11746769B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2020 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Aug 7, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04F7/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A miniature blower includes a soft sheet, a nozzle plate, a chamber frame, an actuator body, an insulation frame, and a conductive frame. The nozzle plate has a suspension portion, and the soft sheet is disposed on the suspension portion. The chamber frame is disposed on the nozzle plate. The actuator body includes a piezoelectric carrier plate, an adjusting resonance plate, and a piezoelectric plate. The actuator body is disposed on the chamber frame. The insulation frame is disposed on the actuator. The center point of a central hole of the soft sheet and the center point of a hollow hole of the suspension portion are located at the same axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.