Solenoid operated valve apparatus
US4919390A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1988 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Dec 22, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2007/163
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solenoid operated valve apparatus in which a solenoid device includes an inner yoke, a plunger guide disposed in the opposed relationship with the inner yoke, a plunger movably accommodated in s space formed between the inner yoke and the plunger guide, a bobbin frame disposed to surround the inner yoke and said plunger guide, a coil wound around the bobbin frame, and an outer yoke disposed to surround the coil. The bobbin frame is made of a polymeric material, and is adhered to the inner yoke and the plunger guide in a unitary structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.