Company Filing History:
Years Active: 1999-2005
Title: Innovations of John G Hatfield
Introduction
John G Hatfield is an accomplished inventor based in Leonard, MI (US). He holds 2 patents that showcase his expertise in automotive technology. His innovative contributions have significantly impacted vehicle performance and efficiency.
Latest Patents
One of his latest patents is for a method of estimating the internal temperature of a vehicle battery. This method considers heat transfer from a heat source and the effects of airflow generated by vehicle movement and radiator fans. It estimates the battery's initial internal temperature at engine startup based on the duration the engine was off. The method also updates the current internal temperature by integrating the transfer function and the heat source temperature.
Another notable patent involves an apparatus and method for controlling low engine idle RPM without discharging the vehicle battery. This invention monitors the vehicle alternator field modulation and includes an engine control module, alternator, electrical loads, and a switch module. The system allows for precise control of the engine's idle RPM, ensuring that it meets the necessary current supply for electrical loads.
Career Highlights
Throughout his career, John G Hatfield has worked with prominent companies such as DaimlerChrysler Corporation and Chrysler Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the automotive field.
Collaborations
John has collaborated with notable colleagues, including Zhijian James Wu and Jyh-Laing L Lin. Their combined expertise has fostered advancements in automotive technologies.
Conclusion
John G Hatfield's contributions to automotive innovation through his patents demonstrate his commitment to enhancing vehicle performance and efficiency. His work continues to influence the industry and inspire future innovations.