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English to French translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / Pièces | |  Daniel MarquisKudoZ activityQuestions: 312 (none open) ( 24 closed without grading) Answers: 1074
| | Local time: 19:43
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| | application dans un moteur à interférence | Explanation:
"(*) - Indicates an interference engine that will suffer valve damage if the timing belt fails."
"Ce moteur est à interférence donc, il vaut mieux plus tôt que trop tard!!
Quoiqu'à 96000km ça aurait pu attendre encore un peu. "
http://forum.autonet.ca/Messages/nouv/2821.html
"An Interference engine is a type of internal combustion engine where in the event of a serious valve train failure, or a 180 degree timing error, could lead the valves and pistons to strike each other. The most common cause of this a broken timing belt, but a catastrophic timing chain failure can also bring about this situation.
The reason for this is that for an engine to work properly, the actions of the pistons and valves must be precisely harmonized. This is accomplished in three ways. In racing engines, gears may connect the camshaft and crankshaft. In street engines, that task is accomplished by a timing chain or belt. When the chain or belt is installed, the camshaft and crank must be turned so that the number one cylinder is at Top Dead Center, or when it is at the maximum of its stroke. Generally, there are timing marks on the timing gears. or pulleys to aid in this, and the gears themselves are usually keyed to prevent misalignment. However, some people do screw it up.
If the belt or chain breaks, then this relationship is destroyed, and the valves and pistons move independently. In most automobile engines, this does no serious damage. The motor simply stops running until the belt/chain is replaced and the engine retimed. Even when the valves and pistons are at full extension, a small gap remains between them. We call this a non-interference engine. But such designs are not ubiquitous, and designers seeking a small combustion chamber may produce an interference design. The Porsche 944 3.0, and Volkswagon/Audi 1.8T engines are interference engines."
http://www.everything2.com/index.pl?node_id=1234675
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| Selected response from:
FX Fraipont
Belgium
Local time: 01:43
| Grading comment Merci pour votre recherche.
4 KudoZ points were awarded for this answer |
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Automatic update in 00:
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40 mins confidence:   application dans un moteur à interférence
Explanation:
"(*) - Indicates an interference engine that will suffer valve damage if the timing belt fails."
"Ce moteur est à interférence donc, il vaut mieux plus tôt que trop tard!!
Quoiqu'à 96000km ça aurait pu attendre encore un peu. "
http://forum.autonet.ca/Messages/nouv/2821.html
"An Interference engine is a type of internal combustion engine where in the event of a serious valve train failure, or a 180 degree timing error, could lead the valves and pistons to strike each other. The most common cause of this a broken timing belt, but a catastrophic timing chain failure can also bring about this situation.
The reason for this is that for an engine to work properly, the actions of the pistons and valves must be precisely harmonized. This is accomplished in three ways. In racing engines, gears may connect the camshaft and crankshaft. In street engines, that task is accomplished by a timing chain or belt. When the chain or belt is installed, the camshaft and crank must be turned so that the number one cylinder is at Top Dead Center, or when it is at the maximum of its stroke. Generally, there are timing marks on the timing gears. or pulleys to aid in this, and the gears themselves are usually keyed to prevent misalignment. However, some people do screw it up.
If the belt or chain breaks, then this relationship is destroyed, and the valves and pistons move independently. In most automobile engines, this does no serious damage. The motor simply stops running until the belt/chain is replaced and the engine retimed. Even when the valves and pistons are at full extension, a small gap remains between them. We call this a non-interference engine. But such designs are not ubiquitous, and designers seeking a small combustion chamber may produce an interference design. The Porsche 944 3.0, and Volkswagon/Audi 1.8T engines are interference engines."
http://www.everything2.com/index.pl?node_id=1234675
| FX Fraipont
Belgium
Local time: 01:43
Works in field
Native speaker of:  French
PRO pts in category: 878
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| | Grading comment | Merci pour votre recherche. |
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