Proportional linear solenoid apparatus
US9620274B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2016 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0672
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus may include a ferromagnetic housing defining a housing cavity, an electrically-conductive coil disposed in the housing cavity and defining a coil cavity, a ferromagnetic core piece disposed in the coil cavity, a ferromagnetic pole piece comprising a first face in contact with the core piece and a projection extending from a second face of the pole piece opposite the first face, a flexible element defining an opening, where the projection is disposed within the opening and the flexible element is disposed between a portion of the projection and the first face of the pole piece, and a ferromagnetic armature coupled to the flexible element, where the flexible element is disposed between at least a portion of the armature and the first face of the pole piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.