Valve assembly for controlling fluid communication between fluid chambers, inflatable device, and method
US9777853B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Sep 13, 2016 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Sep 13, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3584
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve assembly for controlling fluid communication between fluid chambers in a device such as an inflatable device includes a valve body having first and second ports for fluidly connecting to first and second fluid chambers, and defining a plurality of primary valve seats in series between the ports. A plurality of compound valves are within the valve body and each includes a primary valve member movable to close or open one of the primary valve seats, and a secondary valve member movable to close or open a secondary valve seat in the primary valve member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.