The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 1978
Filed:
Dec. 17, 1976
Alec Harry Seilly, North Wembley, EN;
Simms Group Research & Development Limited, Birmingham, EN;
Abstract
An electromagnetic device comprises an annular member and a core member the latter having formed in its slots and the annular member having projections located in said slots. The projections and the adjacent wall of the slot define attraction faces which when a winding located in the slot is energized, are attracted towards each other thereby to produce relative movement between the members. The other faces of the projection are provided in accordance with the invention, with a coating of an electrically conductive material so that when the windings are energized eddy currents flow in the conductive material which act to assist the relative movement of the members.