Electromagnetic valve
US11339892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2020 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Sep 11, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0675
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An electromagnetic valve includes a solenoid having a bobbin, a plunger and a coil; a flow path member having a first flow path, a second flow path, a relay flow path and a valve body housing; a valve body movably disposed in the valve body housing; and a spring disposed in the valve body housing and urging the valve body, wherein the valve body further includes a plurality of guide parts which are provided at different positions along the axial direction and which are guided on an inner wall surface of the valve body housing, and a taper part which is provided between the plurality of guide parts and whose outer diameter decreases toward the one side in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.