Abstract: An altitude compensated vacuum control system for regulating the vacuum servo mechanism of an internal combustion engine of the type having a distributor with a vacuum servo controlled advance mechanism incorporating a positive stop for maximum spark advance, a carburetor to provide a source of vacuum to operate said vacuum servo mechanism and a vacuum control valve assembly for regulating the vacuum servo mechanism of said distributor. The vacuum control valve assembly receives a spark port vacuum signal from the carburetor to maintain a predetermined vacuum spark advance as the engine begins to accelerate.
Type:
Grant
Filed:
March 17, 1975
Date of Patent:
January 20, 1976
Assignee:
The Bendix Corporation
Inventors:
Richard H. Gould, George Ludwig, William J. Walters, Remy J. VanOphem