Company Filing History:
Years Active: 2003-2006
Title: The Innovative Contributions of Ernest John Noble
Introduction
Ernest John Noble is a notable inventor based in Auckland, New Zealand. He has made significant contributions to the field of dynamoelectric machines, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of electric motors and related technologies.
Latest Patents
One of Noble's latest patents is for a stator designed for a dynamoelectric machine featuring a split ferromagnetic core. This invention provides a method and apparatus for producing stator windings for dynamoelectric machines of various configurations. The windings are typically formed on a bobbin or similar article, which can then be transferred onto an appropriate carrier, such as a ferromagnetic core. The core may be provided as a substantial linear article that can be bent into the desired shape, allowing the assembly to function as the stator of a dynamoelectric machine. In this configuration, only a portion of each winding faces the magnetic poles of the rotor, making it operative, while the return path of the windings remains unused.
Another significant patent by Noble is for a variable electric motor that reduces audible noise. This innovation is achieved by minimizing or eliminating ripple torque, allowing the individual phase torques to follow a specific profile. As a result, when the torques are summed, they remain substantially constant. The motor's back EMF is utilized as a reference waveform to control the winding currents, effectively reducing ripple torque. The back EMF reference can be amplified and provided to the motor windings, derived through various methods, including sense windings and electronic derivation.
Career Highlights
Noble is currently associated with Wellington Drive Technologies Limited, where he continues to develop innovative solutions in the field of electric motors and dynamoelectric machines. His expertise and inventions have contributed to advancements in motor technology, enhancing performance and efficiency.
Collaborations
Throughout his career, Noble has collaborated with talented individuals such as David James Howell and Tomer Eliahu. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Ernest John Noble's contributions to the field of dynamoelectric machines and electric motors demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a desire to improve existing technologies.