Draft control unit

• US 3,211,080 A
• Filed: 12/20/1963
• Issued: 10/12/1965
• Est. Priority Date: 12/20/1963
• Status: Expired due to Term

• Current Assignee: Elmer P. Rader
• Original Assignee: Elmer P. Rader
• Inventors: Rader, Elmer P.
• Application Number:
  US04/332,188
• Time in Patent Office: 662 Days
• US Class Current: 454/16
• CPC Class Codes: F23L 17/005 using fans

Claims

1. A DRAFT CONTROL UNIT WITH A FLUID COMPRISING, A DEFLECTION CONE HAVING A NECK, A BASE AND BASE COVER HAVING AN AIR PASSAGE THERETHROUGH, A PLATE SECURED TO SAID DEFLECTION SAID CONE, A MOTOR SECURED TO SAID PLATE, SAID DEFLECTION CONE HAVING AT LEAST ONE PERFORATION IN ITS NECK, A BEARING SHAFT SUPPORT AND BEARING CARRIED BY SAID MOTOR, A MOTOR SHAFT EXTENDING FROM SAID MOTOR THROUGH SAID BEARING SHAFT SUPPORT AND BEARING AND THROGH THE NECK OF SAID DEFLECTION CONE, A SUCTION FAN BLADE SECURED TO SAID MOTOR SHAFT EXTERIORLY OF THE DEFLECTION CONE, BRACKETS FOR ATTACHMENT OF SAID DEFLECTION CONE TO THE FLUE WHEREBY SAID SUCTION FAN BLADE IS SITUATED WITHIN THE FLUE, MEANS FOR ACTUATING SAID MOTOR, AND BLOWER MEANS FOR INTRODUCING AIR INTO SAID CONE THROUGH THE AIR PASSAGE IN THE BASE COVER TO COOL SAID MOTOR AND FOR EXHAUSTING SAID AIR TO THE ATMOSPHERE THROUGH SAID PERFORATION.