Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7068015 | Wind power plant having magnetic field adjustment according to rotation speed A wind power plant where the driving shaft communicates with a synchronous generator (3) optionally through a gear (2) and with a transformer, if any, communicating through an AC/DC inverter 7 with an HVDC transmission cable 9. The synchr... | 06/27/2006 |
| 5216343 | Motor construction and method for limiting spin-up time in a hard disk drive A hard disk drive having a plurality of disks mounted on the rotor of a current limited, electronically commutated dc motor. Windings on the stator of the motor are divided into serially connected run and start sections and first and seconds drive circuit... | 06/01/1993 |
| 4906060 | Apparatus and method for controlling the output frequency of a wind-driven alternator Method and apparatus for controlling the output frequency of an alternator by maintaining a relatively constant speed of rotation of the alternator rotor are disclosed. The rotor includes an annular stator and a rotor rotatably mounted within. In one embo... | 03/06/1990 |
| 4500819 | Auxiliary electric power supply for electric work vehicles An electric work vehicle with a battery powered traction motor and pump motor is provided with an auxiliary power supply for a load circuit requiring voltage lower than that of the battery. The pump motor is provided with an auxiliary brush at a location ... | 02/19/1985 |
| 4395669 | Electrical machine having controlled characteristics and its application to a wind-driven machine The invention provides an electrical machine having an inductor and an armature at least one of which has at least two independent winding assemblies. The switching into and out of circuit of each winding assembly is controlled by a processor which receiv... | 07/26/1983 |
