Non-vibrational oscillating blade piezoelectric blower
US4595338A · kind A · utility
83Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1983 |
| Grant date | Jun 17, 1986 |
| Priority date | — |
| Expiry date | Nov 17, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D33/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A non-vibrational oscillating blade piezoelectric blower is disclosed, including: a piezoelectric bender and means for supporting the piezoelectric bender at its inertial nodes. Weights may be attached to the bender to control the location of the inertial nodes. Flexible blades may be attached to the bender at various locations and with their planes in various orientations. The blower according to this invention may also consist of two benders oscillating 180 degrees out of phase to further minimize vibration and noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.