1
Fred A Brown, Alan F Grouse: Simple brushless DC fan motor with reversing field. Rotron Incorporated, Brumbaugh Graves Donohue & Raymond, November 12, 1985: US04553075 (44 worldwide citation)

A simplified fan and brushless DC motor employs an annular permanent magnet magnetized in segments about its circumference. Each segment is oppositely radially magnetized with respect to its adjacent segments. Fan blades are located within the annular magnet. A coil comprising two electrically indep ...


2
Fred A Brown: Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection. Comair Rotron, Bromberg Sunstein & McGregor, April 7, 1987: US04656553 (42 worldwide citation)

A brushless DC fan with a winding supply circuit having an internal voltage regulator can afford current limiting and thermal protection and provide various desired fan speeds without alteration of the basic fan circuit, the windings, or other manufacturing items. A voltage setting circuit element c ...


3
Fred A Brown: Low profile motor. Conair Rotron, Bromberg & Sunstein, January 11, 2005: US06841957 (35 worldwide citation)

A flat pack blower utilizes surface mounting techniques for mounting the blower electronics on a thin laminated circuit board to reduce the blower profile. To that end, the blower includes a stator, and a rotor rotatably coupled to the stator. The stator includes a coil, a pole coupled with the coil ...


4
Fred A Brown: Low profile motor. Comair Rotron, Bromberg & Sunstein, January 21, 2003: US06509704 (35 worldwide citation)

A flat pack blower utilizes surface mounting techniques for mounting the blower electronics on a thin laminated circuit board to reduce the blower profile. To that end, the blower includes a stator, and a rotor rotatably coupled to the stator. The stator includes a coil, a pole coupled with the coil ...


5
Fred A Brown: Multi-stator motor with independent stator circuits. Comair Rotron, Bromberg & Sunstein, August 20, 2002: US06437529 (27 worldwide citation)

First and second stator circuitry for respective use with first and second stators in a multi-stator motor are configured so that the first stator circuitry is substantially unaffected by a failure of the second stator circuitry to energize a second winding in the second stator. To that end, the mot ...


6
Fred A Brown: Self-starting, direct current motor with permanent magnets of varied magnetic strength. Rotron Incorporated, Brumbaugh Graves Donohue & Raymond, March 20, 1984: US04438362 (24 worldwide citation)

A permanent magnet, direct current motor is made self-starting by the use of permanent magnets with varying magnetization. The use of permanent magnets with varying magnetization results in a rotor position after motor de-energization such that the rotor is angularly offset from a cogged position. T ...


7
Fred A Brown, Tanya M Miller, Charles C Wooters, Bryan Michael Culley, Eli D Snavely: Conversation user interface. Next IT Corporation, Lee & Hayes PLLC, December 29, 2015: US09223537 (21 worldwide citation)

A conversation user interface enables users to better understand their interactions with computing devices, particularly when speech input is involved. The conversation user interface conveys a visual representation of a conversation between the computing device, or virtual assistant thereon, and a ...


8
Wharton McDaniel, Fred A Brown, Donald Thompson: Brushless D.C. motor. Rotron Incorporated, Brumbaugh Graves Donohue & Raymond, December 21, 1982: US04365187 (17 worldwide citation)

A D.C. brushless motor with a permanent magnet rotor employs Hall switches to effect commutation. The rotor magnets are of a greater axial length than the stator stack and the Hall switches are mounted on a printed circuit panel within the motor frame so as to be actuated by the fringe flux from the ...


9
Fred A Brown, Alan F Grouse: Condition sensing arrangement for ac machines. Rotron Incorporated, Brumbaugh Graves Donohue & Raymond, March 19, 1985: US04506218 (16 worldwide citation)

An arrangement for sensing the operating condition of an alternating current machine employs a Hall switch on the stator which is subjected to the alternating magnetic field established during operation. The Hall switch has a magnetic field strength threshhold below which it will not be actuated. Du ...


10
Fred A Brown: Integral coaxial commutation and rotor magnets and apparatus and method for making same. Rotron Incorporated, Brumbaugh Graves Donohue & Raymond, January 15, 1985: US04494028 (16 worldwide citation)

An integral field and commutation magnet for use in DC brushless motor has both commutation and field magnet portions. Magnetized segments in both the field and commutation portions have oppositely oriented magnetic fields in the outward radial direction. An apparatus and method for making the one p ...