This inventor holds 5 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1976-1978.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976-1978
Title: Earl R Fischer: Innovator in Vacuum Technology
Introduction
Earl R Fischer is a notable inventor based in Rochester, NY (US), recognized for his contributions to vacuum technology. With a total of 5 patents, Fischer has made significant advancements in the field, particularly in the design of vacuum motors and fuel shut-off systems for internal combustion engines.
Latest Patents
Fischer's latest patents include the "Two-stage vacuum motor," which is designed to actuate a carburetor choke valve. This innovative motor features primary and secondary stages that respond to separate vacuum signals. The secondary stage is supported by the primary stage and includes a valve that opens upon full retraction of the primary stage, allowing a vacuum signal to be applied to the secondary stage. Another significant patent is the "Fuel shut-off valve assembly," which is utilized in internal combustion engine carburetors. This assembly includes an idle mixture adjusting valve with a tapered metering portion that fits into the idle fuel discharge orifice, along with a separate closure portion that engages with a seat. A solenoid, activated during deceleration, moves the valve to engage the closure portion with the seat, effectively interrupting fuel flow through the discharge orifice.
Career Highlights
Earl R Fischer is currently employed at GM Global Technology Operations LLC, where he continues to innovate and develop new technologies. His work has had a lasting impact on the automotive industry, particularly in enhancing engine efficiency and performance.
Collaborations
Fischer has collaborated with several talented individuals throughout his career, including Reed M Brown, III and Roland S Taylor. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
Earl R Fischer's contributions to vacuum technology and internal combustion engine systems highlight his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving automotive performance and efficiency, making him a significant figure in the field of invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile