IGNITION SYSTEM WITH SPARK DISCHARGE TRUNCATION

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United States of America Patent

APP PUB NO 20160363108A1
SERIAL NO

14734129

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Abstract

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An ignition system for a spark ignition internal combustion engine includes a transformer, a switching device, a spark-plug, and a controller. The switching-device is operable to an off-state, an on-state, and a linear-state to control a primary current through a primary coil and a secondary current through a secondary coil. The controller is configured to receive a single control-signal that includes a spark-control portion followed by a snubbing-control portion, and operate the switching-device based on the single control-signal. The controller operates the switching device from the off-state to the on-state and back to the off-state in response to the spark-control portion, whereby the secondary current is sufficient for the spark-plug to generate a spark, and operates the switching-device from the off-state to the on-state followed by the linear-state in response to the snubbing-control portion, whereby the secondary current is suppressed such that the spark-plug does not generate a spark.

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Patent Owner(s)

Patent OwnerAddress
DELPHI TECHNOLOGIES INCLEGAL STAFF - MAIL CODE 480-410-202 P O BOX 5052 TROY MI

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  • 2015 Application Filing Year
  • F02P Class
  • 266 Applications Filed
  • 213 Patents Issued To-Date
  • 80.08 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HAMER, COLIN NOBLESVILLE, US 51 222
SKINNER, ALBERT A WATERFORD, US 20 87

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges281238101 - 1011 - 2061 - 700102030405060708090100110120130

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