Internal combustion engine control device

US9309858B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9309858-B2
Application numberUS-201314364084-A
CountryUS
Kind codeB2
Filing dateJan 23, 2013
Priority dateJan 25, 2012
Publication dateApr 12, 2016
Grant dateApr 12, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

In an internal combustion engine control device, a predetermined margin torque is set such that it is possible to maintain a predetermined engine idling speed by adjusting ignition timing with respect to load fluctuations during idling operation. The margin torque is set to decrease, as a load, acting on the internal combustion engine during idling operation, increases. Accordingly, the margin torque can be set to an appropriate value, and thus it is possible to improve a fuel economy performance during idling operation of the internal combustion engine.

First claim

Opening claim text (preview).

The invention claimed is: 1. An internal combustion engine control device, in which a margin torque that can be increased by ignition-timing adjustment such that ignition timing is shifted to an ignition-timing change side on which an engine output is decreased, while supplying an intake air quantity exceeding a given quantity corresponding to an actual engine output torque with respect to load fluctuations during idling operation is set, comprising: an engine control unit compris…

Assignees

Inventors

Classifications

  • Mechanical Engineering · mapped topic

  • F02P5/145Primary

    Mechanical Engineering · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • F02D41/083Primary

    Mechanical Engineering · mapped topic

  • Cross-Sectional Technologies · mapped topic

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Frequently asked questions

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What does patent US9309858B2 cover?
In an internal combustion engine control device, a predetermined margin torque is set such that it is possible to maintain a predetermined engine idling speed by adjusting ignition timing with respect to load fluctuations during idling operation. The margin torque is set to decrease, as a load, acting on the internal combustion engine during idling operation, increases. Accordingly, the margin …
Who is the assignee on this patent?
Nissan Motor
What technology area does this patent fall under?
Primary CPC classification F02P5/145. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Apr 12 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).