Cross-flow fans

• US 3,263,910 A
• Filed: 09/24/1965
• Issued: 08/02/1966
• Est. Priority Date: 07/07/1956
• Status: Expired due to Term

• Current Assignee: Bruno Eck, Nikolaus Laing
• Original Assignee: Bruno Eck, Nikolaus Laing
• Inventors: Eck, Bruno, NIKOLAUS LAING
• Application Number:
  US04/489,817
• Time in Patent Office: 312 Days
• US Class Current: 415/53.2
• CPC Class Codes: F04D 17/04 of transverse-flow type

Claims

1. A DOMESTIC CROSS-FLOW FAN COMPRISING A SUPPORT, A MOTOR MOUNTED ON THE SUPPORT AND COMPRISING A FIXED PART AND A ROTATING PART CO-OPERATING THEREWITH, A CYLINDRICAL BLADED ROTOR DEFINING AN INTERIOR SPACE AND HAVING ONE END SECURED TO THE ROTATING PART OF THE MOTOR COAXIALLY THEREWITH, AND A SINGLE GUIDE ELEMENT MOUNTED ON THE SUPPORT TO BE HELD AGAINST ROTATION WITH THE ROTOR EXTENDING SUBSTANTIALLY THE LENGTH OF THE ROTOR WITHIN SAID INTERIOR SPACE THEREOF THE GUIDE ELEMENT IS SEEN IN CROSSSECTION BEING SMOOTHLY CURVED WITHOUT INTERRUPTION OR INFLECTION, THE ROTOR AND GUIDE ELEMENT CO-OPERATING ON ROTATION OF THE ROTOR BY SAID MOTOR IN A PREDETERMINED DIRECTION TO INDUCE A FLOW OF AIR FROM AN ENTRY REGION THROUGH THE PATH OF THE ROTATING BLADES TO THE INTERIOR OF THE ROTOR AND THENCE AGAIN THROUGH THE PATH OF THE ROTATING BLADES TO A DISCHARGE REGION.