Saab Direct Ignition is a capacitor discharge ignition developed by Saab Automobile, then known as Saab-Scania, and Mecel AB during the 1980s. It was first shown in 1985 and put into series production in the Saab 9000 in 1988. One of the first instances of using the system was for a Formula Three racing engine (on B202 basis) developed with the help of engine builder John Nicholson, first shown in the spring of 1985. The system has been revised several times over the years. The ignition system together with the ignition coils form a single transformer oil filled cassette (or two cassettes in the case of a V6 engine) which is placed directly on the spark plugs, without the need for a distributor.
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- Saab Direct ignition (sv)
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| - Saab Direct Ignition is a capacitor discharge ignition developed by Saab Automobile, then known as Saab-Scania, and Mecel AB during the 1980s. It was first shown in 1985 and put into series production in the Saab 9000 in 1988. One of the first instances of using the system was for a Formula Three racing engine (on B202 basis) developed with the help of engine builder John Nicholson, first shown in the spring of 1985. The system has been revised several times over the years. The ignition system together with the ignition coils form a single transformer oil filled cassette (or two cassettes in the case of a V6 engine) which is placed directly on the spark plugs, without the need for a distributor. (en)
- Saab Direct Ignition (DI) är ett tändsystem av CDI-typ för bilmotorer utvecklat av svenska Saab och Mecel i mitten av 1980-talet. Det introducerades i produktion på modellen Saab 9000 1988B. Direct Ignition-systemet är placerat i en kassett som sitter ovanför tändstiften på motorns ventilkåpa i direkt kontakt med tändstiften. Kassetten innehåller elektronik och fyra tändspolar. (sv)
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| - Saab Direct Ignition is a capacitor discharge ignition developed by Saab Automobile, then known as Saab-Scania, and Mecel AB during the 1980s. It was first shown in 1985 and put into series production in the Saab 9000 in 1988. One of the first instances of using the system was for a Formula Three racing engine (on B202 basis) developed with the help of engine builder John Nicholson, first shown in the spring of 1985. The system has been revised several times over the years. The ignition system together with the ignition coils form a single transformer oil filled cassette (or two cassettes in the case of a V6 engine) which is placed directly on the spark plugs, without the need for a distributor. It was later implemented with the Saab Trionic Engine Management Systems as one of the first ion sensing ignition system on a production car.The system puts a low voltage over the spark plugs when they are not fired to measure ionization in the cylinders. The ionic current measurement is used to replace the ordinary knock sensor and misfire measurement function. (en)
- Saab Direct Ignition (DI) är ett tändsystem av CDI-typ för bilmotorer utvecklat av svenska Saab och Mecel i mitten av 1980-talet. Det introducerades i produktion på modellen Saab 9000 1988B. Direct Ignition-systemet är placerat i en kassett som sitter ovanför tändstiften på motorns ventilkåpa i direkt kontakt med tändstiften. Kassetten innehåller elektronik och fyra tändspolar. Systemet kan via tändstiften känna av vilken cylinder som skall tändas samt hur förbränningen blev. Saabs motorer med Direct Ignition saknar därför . Senare modeller, från 1993, arbetar dessutom utan då knackdetektering görs med hjälp av tändstiften och Direct Ignition-systemet. Direct Ignition-kassetten har producerats i ett antal olika modeller och versioner men kan i huvudsak delas in den röda och den svarta modellen. Den röda sitter i DI/APC-motorer producerade 1988–1993 och motorgenerationen T5 1993–1998. Den svarta sitter i den senare motorgenerationen T7. En typ av kassett med tre tändspolar (snarare än fyra) finns till V6-motorn, och då används två kassetter per motor. (sv)
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