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Technical Paper

ECE Regulation 44 - An Update on the Current Revision

1993-11-01
933084
After 12 years since the introduction and approx. 500 approvals according to ECE Regulation 44 on Child Restraint Systems a major revision is now being done. The revision is scheduled to be completed in 1993. The main features of the update are: Better Definitions and instructions Air Bag interaction Mandatory strong crotch straps Higher buckle opening forces New mass group and dummy More realistic dynamic testing Compatibility checks on vehicle seating positions Side impacts Various other improvements Conformity of production Longer term solutions dependant on ISO The paper will present an update on some of the most interesting parts of this work.
Technical Paper

Load Transfer From the Striking Vehicle in Side and Pedestrian Impacts

1985-01-01
856082
The level at which forces are transmitted from the striking vehicle in side impacts may influence the response of the struck car in several different ways. A better contact between the front bumper of the striking and the sill area of the struck car has been considered to be desirable in this respect. In side impacts, the most frequent direction of the impact is from 3 and 9 o'clock, while the direction of the forces is usually from 2 and 10 o'clock due to the velocity of the struck car. A European car and the EEVC moving deformable barrier have, therefore, been used in a crabbed mode to study the problem of load transfer at different levels above the ground. Volvo and Saab cars were used as targets in 55 km/h side impact with an APROD-81 side impact dummy placed on the struck side in the front seat. The results indicate that a difference in the level at which the loads were applied could influence the deformations, the kinematics of the struck cars, and the loading of the occupant.
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