High mass flow check valve aspirator
US10337628B2 · kind B2 · utility
0Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2013 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Nov 6, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87587
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A check valve aspirator is provided including a venturi pipe having a converging section with a converging inlet and a converging outlet, and a diverging section with a diverging inlet and a diverging outlet. The converging outlet is in fluid communication with the diverging inlet. An outlet channel is in fluid communication with the venturi pipe and has an outlet port. A ratio of a diameter of the converging section outlet to a diameter of the outlet port is less than 0.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.