NUM FICHE 005
059
CODE DOC 025
REDACTEUR 030
SIMAL Isabelle
ORGANISME 035
ISTI
DATE RED 040
9204
DOM GEN 060
électronique|industrie automobile|
DOM SPEC 065
équipement électronique|suspension du véhicule automobile|
ENT AN 105
limited slip differential
IN ENT AN 110
E; abc
DEF AN 115
Differential in which the rotational speed between the two output shafts is ((electronically)) limited to prevent wheel spin on difficult terrain. |b|
CONT AN 120
Limited slip differentials to improve traction on road surfaces with different grip conditions between the left- and the right-hand sides of the vehicle were first established in commercial vehicles. ((...)) There are a number of mechanical solutions whose effect is based on the difference in the speeds of rotation of the two drive wheels. This means that in normal operation also, for example when driving through tight bends, the locks are actuated and affect the car's behaviour. In some cases the mechanical limited slip differentials also have a reactive effect when braking with ABS systems. Here, electronically slip controlled slip differentials might be an improvement. They can detect whether the car is in a tight bend or whether a rear wheel is really beginning to spin. This means that the design related disadvantages of mechanical limited slip differentials can be avoided, but on the other hand it would involve the additional expense of sensors, electronics, and hydraulic pressure supply for the actuation of the limited slip differentials which in their design are very similar to the purely mechanical lamellar slip differentials. |a|
NOTE AN 125
The definition proposed in 115 states that the "limited slip differential" is mechanically controlled, while the context suggests that the differential now comprises electronic components. This is why the definition has been altered on this precise point. (R)
V A AN 160
automatic stability control|
ENT FR 205
différentiel autobloquant
IN ENT FR 210
n m; F; c
DEF FR 215
Différentiel dans lequel la différence de vitesse de rotation des deux arbres de sortie est limitée électroniquement afin d'empêcher le patinage des roues sur un terrain difficile. (T)|b|
CONT FR 220
NOTE FR 225
La définiton proposée en 215, qui est une traduction du champ 115, indique que le différentiel est contrôlé mécaniquement, alors que le contexte anglais (120) fait état de composantes électroniques. C'est la raison pour laquelle la définition anglaise et sa traduction ont été modifiées sur ce point précis. (R)
V A FR 260
contrôle automatique de stabilité|
SOURCES 295
SOURCE ANNEE VOLUME NUMERO MOIS PAGE MENTION
a WALL-F 1989 134
b GOOD-E 1989 88
c ETAI-C 1986 34

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© Isabelle Simal, 1993.