Patent · US Expired

Handle for magnetically actuated valve

US4384703A · kind A · utility

37Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1981
Grant dateMay 24, 1983
Priority date
Expiry dateJan 21, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/8309
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A handle for a magnetically actuated valve which bears rotating and fixed indicia for reading the valve position. The rotating indicia is placed upon a jacket carrying drive magnets. The fixed indicia is placed upon a cap covering the exposed end of a nonmagnetic bonnet separating the drive and driven magnet assemblies. External stop means prevent rotation of the jacket relative to the cap and bonnet more than about 90.degree.. Internal stop means prevent the rotation of valve and driven magnets more than about 90.degree..

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.