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Class Information
Number: 324/378
Name: Electricity: measuring and testing > Internal-combustion engine ignition system or device
Description: Subject matter relating to the testing of electrical systems and devices which cause the rapid combustion of a fuel in an internal-combustion engine.










Sub-classes under this class:

Class Number Class Name Patents
324/402 Apparatus for coupling a measuring instrument to an ignition system 153
324/383 By simulating or substituting for a component under test 10
324/388 Coil 99
324/385 Distributor 9
324/380 Electronic ignition system 102
324/391 Ignition timing 66
324/393 In situ testing of spark plug 69
324/390 Low or high tension lead 16
324/389 Magneto 5
324/400 Spark plug removed or tested in a test fixture 6
324/384 Using plural tests in a conventional ignition system 60
324/379 With analysis of displayed waveform 96


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8482288 Particulate matter detection device and inspection method of the particulate matter detection device Jul. 9, 2013
8248074 Detection of faults in an injector arrangement Aug. 21, 2012
8050813 Powertrain and ignition diagnostic system and method Nov. 1, 2011
8023928 System and method for monitoring an analog data signal Sep. 20, 2011
7977939 Non-contact engine parameter sensor Jul. 12, 2011
7952346 Method for estimating the magnetization level of one or more permanent magnets established in one or more permanent magnet rotors of a wind turbine generator and wind turbine May. 31, 2011
7948240 Abnormality diagnosing apparatus for a glow plug May. 24, 2011
7862230 Method and device for controlling an internal combustion engine Jan. 4, 2011
7859250 Sensor for measuring the position of an actuator Dec. 28, 2010
7836864 Internal-combustion-engine combustion condition detection apparatus and combustion condition detection method Nov. 23, 2010
7818105 Vehicle inspection management system and method Oct. 19, 2010
7750638 Measuring device Jul. 6, 2010
7741973 Drive control device Jun. 22, 2010
7673614 Internal-combustion-engine combustion condition detection apparatus and combustion condition detection method Mar. 9, 2010
7671601 Abnormal condition detecting system for engine Mar. 2, 2010
7469171 Method and system for vehicle emissions testing at a kiosk through on-board diagnostics unit inspection Dec. 23, 2008
7453271 Apparatus and method for sensing water within a fuel-water separator assembly Nov. 18, 2008
7436186 Method for generating a simulated sensor signal pattern for a marking gap in a signal-generating disk Oct. 14, 2008
7348687 Driving circuit for an ignition element of a passenger protection system Mar. 25, 2008
7320317 Auxiliary device for engine spark plug ignition Jan. 22, 2008
7235976 Sensor for measuring the position of an actuating element Jun. 26, 2007
7212005 Ignition coil tester May. 1, 2007
7095234 Device for triggering ignition circuits Aug. 22, 2006
7061081 Resin composition, heat-resistant resin paste and semiconductor device using them and method for manufacture thereof Jun. 13, 2006
6988053 Combined off-board device and starter/charging/battery system tester Jan. 17, 2006
6943554 Ionic current detection apparatus for internal combustion engine Sep. 13, 2005
6914434 Driver circuit Jul. 5, 2005
6861841 Ignition waveform peak display Mar. 1, 2005
6844734 Current detection circuit for A/F sensor Jan. 18, 2005
6842007 Ignition coil durability testing apparatus and method Jan. 11, 2005
6789518 Method and system for identifying valve clearances and position of valve opening cams Sep. 14, 2004
6777941 Alternator testing method and system using timed application of load Aug. 17, 2004
6768308 Flame-cut detecting device for internal combustion engine Jul. 27, 2004
6741925 User interface for electronic controller and timing sensor May. 25, 2004
6720772 Data holding device of an internal combustion engine Apr. 13, 2004
6714015 Apparatus for testing spark plugs Mar. 30, 2004
6664789 Engine ignition timing device Dec. 16, 2003
6611145 Motorcycle having a system for combustion diagnostics Aug. 26, 2003
6600322 Stroke distinction in 4-cycle engines without a cam reference Jul. 29, 2003
6577131 Motor terminal fixture Jun. 10, 2003
6570385 Handheld tester for starting/charging systems May. 27, 2003
6553816 System and method for providing engine diagnostic and prognostic information Apr. 29, 2003
6549013 Ionic current measuring glow plug and process and circuit for its activation Apr. 15, 2003
6518763 Control system for metering fuel to an internal combustion engine Feb. 11, 2003
6459267 Cylinder identifying apparatus for combustion engine Oct. 1, 2002
6429658 Engine ignition timing device Aug. 6, 2002
6426626 Apparatus and method for testing an ignition coil and spark plug Jul. 30, 2002
6415657 Switch monitoring system Jul. 9, 2002
6388444 Adaptive method for detecting misfire in an internal combustion engines using an engine-mounted accelerometer May. 14, 2002
6359439 Compression sense ignition system with fault mode detection and having improved capacitive sensing Mar. 19, 2002

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