Compact piezoelectric fluidic air supply pump
US4648807A · kind A · utility
56Cited by
20References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1987 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | May 14, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B43/046
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The piezoelectrically driven diaphragm of an air pump is extended through a chamber and commmunicating outlet passage of the pump's housing. During vibration of the diaphragm, air pulses are alternately expelled through the outlet passage portions positioned on opposite sides of the diaphragm. The air pulses are collected in a rectifying device, carried by the housing, for delivery to a fluidic device or system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.