Motor operated restrictor valve
US5588617A · kind A · utility
4Cited by
11References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Jan 17, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D11/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motor operated restrictor valve including a valve assembly for preventing noise at lavatories and galleys of an aircraft while permitting waste water to pass overboard through the drain mast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.