Air valve with bleed feature to inhibit icing
US5366353A · kind A · utility
18Cited by
12References
4Claims
0Family size
Inventor
Key dates
| Filing date | Apr 13, 1994 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Apr 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8671
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The air valve on a reciprocating pneumatic pump bleeds air from the pressurized air chamber into the exhaust port through a hole in the valve cup in order to warm the exhaust port area and prevent ice build up in the area. Such construction is also suited for use in spool valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.