F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
342/13
F02D 41/04 (2006.01) F02D 41/24 (2006.01) F02D 41/32 (2006.01)
Patent
CA 1305546
ABSTRACT OF THE DISCLOSURE A resistance switching circuit is toggled immediately prior to cranking but subsequent to power application by the output of a manifold absolute pressure sensor effectively responding to ambient atmospheric pressure as indicative of altitude. The switching circuit is connected in series with the resistance element of the potentiometer which serves as the throttle control and alters the transfer characteristic of the control circuit. The gain of the system is such that the output operational amplifier saturates at an intermediate throttle setting such that the response for slow throttle is y=nx over the entire range of manifold pressure, while for fast throttle the response is y=nx for low manifold pressure and changes to y=mx+b for higher manifold pressure.
555075
Brunswick Corporation
Mitchell Richard J.
LandOfFree
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