Resilient metal seal for check valve
US11808363B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2023 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Jan 6, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K17/0466
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A one-way valve is provided. The valve provides a housing with a through hole having an upstream portion and a downstream portion. The upstream portion has a reduced diameter compared to the downstream portion. The housing contains a valve seat. A valve member, or poppet, moves within the through hole from a valve closed position and a valve open position. A low pressure facing side of the poppet engages an elastic member of a compression member that biases the poppet in the valve closed position. A high pressure facing side of the poppet engages a resilient metal seal in the form of an annular disc, which may have a generally wavy or undulating shape. The outer ends of the resilient metal seal are curved to releasably engages the valve seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.