| dbo:abstract |
Variable Camshaft Timing (VCT) is an automobile variable valve timing technology developed by Ford. It allows for more optimum engine performance, reduced emissions, and increased fuel efficiency compared to engines with fixed camshafts. It uses electronically controlled hydraulic valves that direct high pressure engine oil into the camshaft phaser cavity. These oil control solenoids are bolted into the cylinder heads towards the front of the engine near the camshaft phasers. The powertrain control module (PCM) transmits a signal to the solenoids to move a valve spool that regulates the flow of oil to the phaser cavity. The phaser cavity changes the valve timing by rotating the camshaft slightly from its initial orientation, which results in the camshaft timing being advanced or retarded. The PCM adjusts the camshaft timing depending on factors such as engine load and RPM. (en) Il sistema VCT (acronimo di Variable Camshaft Timing, in italiano fasatura variabile dell'albero a camme) è una tecnologia sviluppata dalla casa automobilistica statunitense Ford nel 1993 per il controllo della fasatura delle valvole, che utilizza un controllo elettro-idraulico per permettere all'olio motore di essere inviato in una apposita cavità dell'albero a camme. (it) |
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wiki-commons:Special:FilePath/VCT_solenoid.jpg?width=300 |
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| rdfs:comment |
Il sistema VCT (acronimo di Variable Camshaft Timing, in italiano fasatura variabile dell'albero a camme) è una tecnologia sviluppata dalla casa automobilistica statunitense Ford nel 1993 per il controllo della fasatura delle valvole, che utilizza un controllo elettro-idraulico per permettere all'olio motore di essere inviato in una apposita cavità dell'albero a camme. (it) Variable Camshaft Timing (VCT) is an automobile variable valve timing technology developed by Ford. It allows for more optimum engine performance, reduced emissions, and increased fuel efficiency compared to engines with fixed camshafts. It uses electronically controlled hydraulic valves that direct high pressure engine oil into the camshaft phaser cavity. These oil control solenoids are bolted into the cylinder heads towards the front of the engine near the camshaft phasers. The powertrain control module (PCM) transmits a signal to the solenoids to move a valve spool that regulates the flow of oil to the phaser cavity. The phaser cavity changes the valve timing by rotating the camshaft slightly from its initial orientation, which results in the camshaft timing being advanced or retarded. (en) |
| rdfs:label |
Variable Camshaft Timing (it) Variable Cam Timing (en) |
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freebase:Variable Cam Timing yago-res:Variable Cam Timing wikidata:Variable Cam Timing dbpedia-it:Variable Cam Timing https://global.dbpedia.org/id/3hvxH |
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wikipedia-en:Variable_Cam_Timing?oldid=1121384761&ns=0 |
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wiki-commons:Special:FilePath/VCT_solenoid.jpg |
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dbr:VCT |
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