William T. Groff is an accomplished inventor based in Metamora, IL (US). He has made significant contributions to the field of engineering, particularly in the development of advanced control systems for fuel injectors and electromagnetic valves. With a total of 2 patents to his name, Groff's work exemplifies innovation and practical application in modern technology.

Latest Patents

One of Groff's latest patents is for a "Rapidly Opening Electromagnetic Valve." This invention features a spool that slides in a bore to open and close a valve. An armature, which is moveable relative to the spool, is biased in a first direction. A coupling biasing member biases both the armature and the spool toward each other. When the solenoid is actuated, the armature and spool move in a second direction, opposite the first, until the spool forcibly engages a seat in the bore, effectively closing the valve. The armature continues to move, applying additional force to keep the spool engaged against the seat until it reaches a second position where it engages with the spool, preventing further movement. Upon de-energizing the solenoid, the armature returns to its original position, causing the spool to rapidly unseat and open the valve.

Another notable patent is the "Method and Apparatus for Controlling a Fuel Injector Assembly of an Internal Combustion Engine." This method involves generating a first injection pulse with an engine control module and injecting fuel into a cylinder in response. It also includes detecting when fuel is injected and generating a control signal accordingly. The time period between the first injection pulse and the control signal is determined, allowing for the adjustment of a second injection pulse based on this timing.

Career Highlights

William T. Groff is currently employed at Caterpillar Inc., a leading company in the manufacturing of construction and mining equipment. His work at Caterpillar has allowed him to apply his innovative ideas in practical settings, contributing to the advancement of technology in the industry.

Collaborations

Throughout his career, Groff has collaborated with notable colleagues, including Stephen Robert Lewis and David C. Mack. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

William T. Groff's contributions to the field of engineering through

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