This inventor holds 4 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1994-1999.
Company Filing History:
Years Active: 1994-1999
Title: Michael C. Lewman: Innovator in Solenoid Valve Technology
Introduction
Michael C. Lewman is a notable inventor based in Muncie, IN (US). He has made significant contributions to the field of solenoid valve technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and functionality of solenoid valves.
Latest Patents
Among his latest patents is the "Proportional Pressure Control Solenoid Valve." This invention features a valve spool with dual feedback pins that are slidable within a common bore. The design incorporates feedback pins with unequal cross-sectional areas, which define an operative feedback area, allowing for a minimized valve size in a cost-efficient manner. The valve controls output pressure based on control current, utilizing an electro-magnetically generated force to modulate the valve, assisted by a hydraulic feedback force and countered by a modulating spring.
Another significant patent is the "Filter for Installation in an Annular Groove." This fluid filter for a solenoid includes a flexible filter element and two plastic tips designed for installation in an annular groove. The arcuate-shaped plastic tips fit tightly against the outside diameter of the groove during installation, ensuring a secure bond that holds the filter in place.
Career Highlights
Michael C. Lewman is currently employed at GM Global Technology Operations, Inc. His work has been instrumental in advancing solenoid valve technology, contributing to the efficiency and reliability of various applications.
Collaborations
Throughout his career, Lewman has collaborated with notable colleagues, including William J. Chafin and David M. Kroll. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
Michael C. Lewman's contributions to solenoid valve technology exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of engineering principles and a dedication to improving industrial applications.