Company Filing History:
8 out of 1,173 
1 out of 299 
1 out of 832,891 Years Active: 1976-1987
Title: The Innovative Contributions of Alvin D. Toelle
Introduction
Alvin D. Toelle is a notable inventor based in Fenton, Michigan, recognized for his significant contributions to engineering and technology. With a total of nine patents to his name, Toelle has made advancements in fluid control systems and ignition timing mechanisms, showcasing his expertise in the field.
Latest Patents
Among his latest innovations is a fluid control valve designed for controlling fuel flow to gas turbine engines. This control valve features multiple fuel inlet manifolds, a fuel outlet manifold, and a fuel drain manifold, all interconnected through a longitudinal bore in a valve sleeve. A hollow spool valve, which is slidably positioned within the sleeve bore, includes a metering valve that regulates fuel flow from the inlet to the outlet manifold. Additionally, the spool valve incorporates a shut-off valve that halts fuel flow under specific conditions, ensuring efficient operation. Another significant patent is an ignition advance timing system that generates ignition or injection signals in engines. This system combines the benefits of angular-based and time-based mechanisms, utilizing a tooth wheel connected to the crankshaft to optimize ignition timing.
Career Highlights
Toelle has had a distinguished career, working with reputable organizations such as the Bendix Corporation. His work has contributed to advancements in automotive and aerospace technologies, reflecting his commitment to innovation and engineering excellence.
Collaborations
Throughout his career, Toelle has collaborated with talented individuals, including Gene Y. Wen and John J. Schira. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Alvin D. Toelle's contributions to the fields of fluid control and ignition systems exemplify his innovative spirit and dedication to engineering. His patents continue to influence modern technology, making him a significant figure in the world of invention.