Gas solenoid valve
US11821539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2020 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | May 16, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2223/036
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gas solenoid valve includes: a housing; a main valve body; a guide member; a first biasing member that is disposed in a housing space formed inward of the guide member to surround the main valve body and biases the main valve body in an opening direction; a second biasing member; and an electromagnetic drive device. The housing space is spaced apart from one end of the guide member in the opening direction. A buffer groove is formed at the one end of the guide member to surround an opening end of an inner hole of the guide member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.