Lavatory service shut-off valve
US7331365B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2003 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Jun 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7485
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shut off valve (10) is provided for use in an aircraft lavatory system (70) during maintenance sanitizing operations. The shut off valve includes an inlet passage (20) in intermittent fluid communication with an outlet passage (30) and a magnetic flapper body (40) movable between a rest position and a seal position between said inlet passage and said outlet passage. The flapper body is moved by a magnetic actuator (60) whereby upon placing said magnetic actuator within the proximity of the flapper body, the flapper body is moved form the rest position and, with the assistance of fluid flow within the valve, into the seal position, thus preventing fluid communication between the inlet passage and the outlet passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.