Solenoid valve
US4540154A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1984 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Dec 11, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/5987
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cartridge solenoid poppet valve (10) arranged to use a single size pilot valve (31) with any one of a set of a plurality of different size sets of valve seat members (14) and poppet valves (24). Pilot guides (175) are provided having different transverse extents to accommodate such different size valve members. The valve further includes a flatted pilot guide (32) defining flow passages communicated between a transfer chamber (35) and a pilot valve chamber (30) in which the pilot valve (31) is disposed. A T-slot (58) is provided in the solenoid plunger (38) extending fully diametrically thereacross and the pilot valve includes a T-shaped connecting head (71) received therein. The plunger (38) and plug (41) define cooperating stop surfaces (67,70) for maintaining a small spacing between the plunger and plug at all times. Solenoid structure (53) includes a parallelepiped frame (46) defining a space with the solenoid coil (44) received therein. The portion of the coil space not occupied by the coil is filled with a set synthetic resin. The structure includes a nut (52) threaded to a connecting portion (79) of a plug (41) to bear forcibly against a flange (51) on a washer (50) urging…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.