Ejector for use with pneumatic booster
US6976645B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 30, 2003 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Jan 6, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04F5/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An ejector having an ejector body integrally formed with a nozzle having inlet and outlet ends, a diffuser having inlet and outlet ends and a suction passage defining a suction port between the outlet end of the nozzle and the inlet end of the diffuser. The nozzle and diffuser define fluid passages having a rectangular cross section or a circular cross section in which the narrowest portion of the fluid passage of the nozzle defines a throat. The diffuser has a diverging portion which diverges to have a divergence angle of 5–10 degrees in case of a two dimensional ejector or 3.5–6.5 degrees in case of a three dimensional ejector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.