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US 4,395,984 AGranted
Electronic fuel supply control system for internal combustion engines
AssigneeNissan Motor Co., Ltd.
InventorsHiroshi Yamaguchi, Kenji Ikeura
Life of this patent
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Abstract
An electronic fuel supply control system for internal combustion engines which carries out the engine fuel cutoff while the engine is decelerated either with a predetermined delay or immediately depending on engine driving conditions, and preferably on the state of the transmission, thus reducing the jolt produced when the fuel cutoff is carried out.
Claims11
A fuel supply control system, for an internal combustion engine having an associated transmission, which cuts off the fuel supplied to said engine during deceleration conditions, comprising:
- (a) first means for determining when an engine fuel cutoff condition is satisfied;
- (b) second means, operative in response to a fuel supply cutoff determination from said first means, for setting a delay in effecting the actual fuel cutoff depending upon instantaneous engine operation;
- and
- (c) third means for cutting off the fuel supplied to the engine, either immediately in response to a fuel cutoff determination from said first means or after a delay set by said second means, depending upon instantaneous transmission operation.
1 more element
Dependencies are inferred from the claim text.