Electromechanically operated valve
US4053137A · kind A · utility
5Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1976 |
| Grant date | Oct 11, 1977 |
| Priority date | — |
| Expiry date | Jan 16, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention contemplates a virtually hysteresis-free actuator for converting an electrical input current into a substantially rectilineal force or displacement, using a single electrical coil and two spaced and oppositely polarized air gaps. Similarly spaced, opposed parts of the coil are compliantly mounted for and constrained to move in the respective air gaps, the constraint being such as to develop substantially a unidirectional force and/or displacement which is in the plane of the gap-shrouded parts of the coil. Various embodiments of suspension and force-output pick-off and development are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.