Magnetic latching valve and method of control
US11536388B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2021 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Aug 9, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0606
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An example system includes a valve assembly having: (i) a plurality of ports including an inlet port, an outlet port, and a vent port, (ii) a solenoid coil having a cavity therein, (iii) an armature slidably accommodated in the cavity of the solenoid coil, (iv) a magnet fixedly disposed within the solenoid coil, wherein the magnet applies a magnetic force on the armature in a distal direction, and (v) a spring applying a biasing force on the armature in a proximal direction; and a controller sending a signal having a particular polarity to the solenoid coil such that the signal is applied to the solenoid coil for a particular period of time, and resending the signal periodically every particular time interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.