Company Filing History:
Years Active: 1993-2000
Title: Innovative Contributions of Errol W. Davis in Hydraulic Control Systems
Introduction: Errol W. Davis is an accomplished inventor based in Chillicothe, IL, known for his innovative advancements in hydraulic control systems. With three patents to his name, his work focuses on improving fuel injection signals and solenoid driver circuits. His contributions significantly enhance the efficiency and functionality of hydraulic actuator systems.
Latest Patents: Among Errol W. Davis's latest patents is an electronic control system for hydraulically activated units. This invention describes an apparatus and method for varying the current levels of a fuel injection signal used in electronically controlled hydraulic actuator unit injector fuel systems. The system adapts the current level of the fuel injection signal according to sensed engine parameters, such as hydraulic fluid pressure and engine temperature. Another notable patent is for a solenoid injector driver circuit, which is governed by an electronic control module (ECM). This advanced circuit minimizes the need for a high voltage power supply by utilizing a high voltage select switch, a select switch, and a modulation switch, all controlled by the ECM. The innovation allows for the back electromotive force (EMF) generated by the solenoid coil to be recaptured for energizing the coil.
Career Highlights: Errol W. Davis has established his career at Caterpillar Inc., where he has been instrumental in developing advanced hydraulic systems. His efforts have led to more efficient machinery and improved operational performance within the industry. His noteworthy inventions contribute to Caterpillar's reputation for innovation in heavy machinery and engine systems.
Collaborations: Throughout his professional journey, Errol has collaborated with esteemed colleagues such as John J. Wunning and Larry E. Schmidt. These collaborations have fostered a creative environment that encourages the sharing of ideas and the development of cutting-edge technologies.
Conclusion: Errol W. Davis is a pioneering inventor whose work in hydraulic control systems has made significant strides in the field. His patents not only enhance the efficiency of fuel injection systems but also embody the spirit of innovation that drives advancements in engineering. As an integral part of Caterpillar Inc., Davis continues to influence the future of hydraulic technology through his inventive spirit and collaborative efforts.