Pilot solenoid valve
US9273791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2011 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Dec 20, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0655
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a solenoid valve including an electromagnet (17, 4, 3, 10) made of a flat movable core (10), a fixed core (3) and a coil (17), the solenoid valve comprising a body (4) which also belongs to the electromagnet and includes an opening (23) located at the rear of the body (4), opposite the supply opening (18), for inserting the flat movable core (10), the fixed core (3) and the coil (17). The body (4) is secured to a retaining ring (8) made of a non-magnetic material, a flat spring (9) being compressed between the retaining ring (8) and the flat movable core (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.