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Cabinet cooling fanRelated Patent Categories: Pumps, Motor Driven, Electric Or Magnetic Motor, Rotary Motor And Rotary Nonexpansible Chamber PumpCabinet cooling fan description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070071618, Cabinet cooling fan. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. provisional patent application No. 60/720,121 filed on Sep. 23, 2005, which is hereby incorporated by reference. TECHNICAL FIELD OF THE INVENTION [0002] This invention relates to electronics cabinet cooling generally and, more specifically to bracket mounted, electronically controlled cooling fans. BACKGROUND [0003] Electronic devices typically generate waste heat during operation. If left unattended, the excess heat can cause devices to malfunction and, in some cases, be permanently damaged. The problem is exacerbated by the small form factors and increased performance of many electronic devices. Often, electronics will be stacked together or mounted or placed in cabinets (the personal computer is one example of a cabinet based device). This can lead to additional heating as the amount of ambient air reaching heated components is reduced. [0004] Cooling fans may be added to an electronics cabinet or enclosure to force cooling air to the components. However, typical cooling fans may be inefficient and may not move enough air to produce the desired cooling effect. In addition, known fan designs may be unacceptably noisy and the noise may be amplified by the installation location of the fan or the location of the electronics cabinet in a room. Fans are typically mounted to the cabinet in such a way that noise and vibration are transmitted through the material of the cabinet itself. [0005] Therefore what is needed is a device and method for addressing the above, and related, issues. SUMMARY OF THE INVENTION [0006] The present invention disclosed and claimed herein, in one aspect thereof, includes an electronic cooling fan assembly with an electric fan core having a generally rectilinear shape, a positive pressure side, and a vacuum side. A fan bracket attaches to the positive pressure side of the electric fan core and is offset from the fan core thereby defining a gap between the fan core and the fan bracket, the gap having a width less than an amount required to sustain a Venturi effect air intake when the electric fan core is in an operating state. A grille attaches to the vacuum side of the fan core and has a grille face that is offset from the fan core, the offset being greater than an amount of offset required to reduce turbulence noise from the grille face when the electric fan core is in an operating state. [0007] The present invention disclosed and claimed herein, in another aspect thereof, includes a fan mounting bracket for reducing noise and vibration in an enclosure. The bracket has a generally cylindrical shroud having a circumference and first and second ends, the shroud providing first and second mounting tabs substantially on opposite sides of the circumference on the first end, the mounting tabs each defining a fastening hole, the shroud also providing first and second stabilization tabs on substantially opposites side of the circumference on the fist end and being offset approximately 90 degrees from the mounting tabs. The bracket has a mounting flange attached to the second end of the shroud and defining a plane substantially orthogonal to an axis of the shroud, the mounting flange defines a plurality of fan attachment holes. The bracket has a plurality of elastic grommets wherein one of the plurality of elastic grommets is inset into each one of the plurality of fan attachment holes.. [0008] The present invention disclosed and claimed herein, in another aspect thereof, includes a method of reducing noise and vibration from a fan core operating to cool a container through an air vent. The method includes attaching a flanged shroud to the fan core with noise and vibration isolating grommets, attaching a grille to the fan core such that a face of the grille is offset from the fan core, the offset being at least a distance necessary to reduce turbulence noise through the grille face, and affixing the shroud to the air vent. BRIEF DESCRIPTION OF THE DRAWINGS [0009] The present invention is illustrated by way of example and is not limited by the figures of the accompanying drawings, in which like reference numbers indicate similar parts. Moreover, the drawings are not to scale and some features may be enlarged or reduced for illustrative purposes: [0010] FIG. 1 is an exploded perspective view of a one embodiment of a cabinet cooling fan according to aspects of the present disclosure; [0011] FIG. 2 is a frontal view of one embodiment of a cabinet cooling fan according to aspects of the present disclosure; [0012] FIG. 3 is a side view of one embodiment of a cabinet cooling fan according to aspects of the present disclosure; [0013] FIG. 4 is a rear view of one embodiment of a cabinet cooling fan according to aspects of the present disclosure; [0014] FIG. 5A is a side view of a disassembled fan shroud according to aspects of the present disclosure; [0015] FIG. 5B is an end view of a fan bracket face according to aspects of the present disclosure; [0016] FIG. 6 is an exploded perspective view of another embodiment of a cabinet cooling fan according to aspects of the present disclosure; [0017] FIG. 7 is a side cutaway view of one embodiment of an electronics cabinet having cooling fans according to aspects of the present disclosure; [0018] FIG. 8A is a schematic of one embodiment of a relay according to aspects of the present disclosure; [0019] FIG. 8B is a schematic of one embodiment of a relay configured as a switch according to aspects of the present disclosure. Continue reading about Cabinet cooling fan... Full patent description for Cabinet cooling fan Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Cabinet cooling fan patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Cabinet cooling fan or other areas of interest. ### Previous Patent Application: Segmented driven-magnet assemblies for pumps, and pumps comprising same Next Patent Application: Drain pump for home appliances Industry Class: Pumps ### FreshPatents.com Support Thank you for viewing the Cabinet cooling fan patent info. 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