Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent
1989-12-21
1990-09-11
Cross, E. Rollins
Internal-combustion engines
Engine speed regulator
Having condition responsive means with engine being part of...
123478, F02D 700
Patent
active
049553453
ABSTRACT:
A vehicle engine fuel control adapted for multi-fuel operation uses a fuel injection system in which fuel in a liquid mixture of first and second combustible fuels is injected in pulses of controlled duration at a predetermined pressure to achieve a predetermined air/fuel ratio. The first and second combustible fuels have different viscosities, so that the viscosity of the mixture changes with its composition as well as fuel temperature. The duration of the portion of the pulse duration in which fuel flows is varied in response to fuel composition and fuel temperature so as to compensate for the variation in viscosity of the fuel mixture and thus deliver the required amount of fuel with each pulse.
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Brown David B.
Gonze Eugene V.
Cross E. Rollins
General Motors Corporation
Sigler Robert M.
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