Transformer with secondary winding suspended within primary core

• US 3,154,757 A
• Filed: 11/13/1962
• Issued: 10/27/1964
• Est. Priority Date: 08/02/1961
• Status: Expired due to Term

• Current Assignee: Thomas W. Hannon
• Original Assignee: Thomas W. Hannon
• Inventors: Hannon, Thomas W.
• Application Number:
  US04/237,235
• Time in Patent Office: 714 Days
• US Class Current: 336/175
• CPC Class Codes: H01F 30/16 Toroidal transformers

Claims

1. TRANSFORMER CONSTRUCTION INCLUDING A CLOSED ANNULAR METAL PRIMARY CORE HAVING AN OPENING LONGITUDINALLY THERETHROUGH, COIL MEANS WRAPPED LONGITUDINALLY THROUGH THE CORE OPENING AND ABOUT THE CORE, INSULATION MEANS BETWEEN THE CORE AND COIL MEANS, HOLLOW ANNULAR CASE MEANS SURROUNDING AND TOTALLY ENCLOSING THE CORE AND COIL MEANS AND OUTWARDLY INSULATING THE CORE AND COIL MEANS AT ALL SIDES FORMING AN OPENING LONGITUDINALLY THROUGH SAID CASE MEANS, A MOVABLE CONDUCTING SECONDARY MEMBER EXTENDING LONGITUDINALLY THROUGH THE CASE MEANS OPENING AND BEING FREE OF ANY PHYSICAL CONNECTION WITH SAID CASE MEANS WHICH WOULD RESTRICT FREE MOVEMENT OF THE SECONDARY MEMBER LONGITUDINALLY THROUGH AND LATERALLY WITHIN THE CASE MEANS OPENING, THE SECONDARY MEMBER HAVING ENDS OUTWARD OF THE CASE MEANS AND CASE MEANS OPENING, AND ELECTRICAL CONNECTION MEANS ON THE SECONDARY MEMBER ENDS ADAPTED FOR ELECTRICAL CONNECTION OF THE SECONDARY MEMBER TO AN ELECTRICAL POWER CONSUMING UNIT IN A CLOSED ELECTRICAL CIRCUIT THROUGH THE SECONDARY MEMBER.