Impact tubing for pedestrian protection sensor for automotive vehicle

摘要

A sensing and injury mitigation system for a vehicle to identify an object in an impact event is disclosed. The system includes an impact sensing unit comprising an impact sensor and a pressure sensing unit. The impact sensor has fluid-filled first and second tube portions. The pressure sensing unit has a housing and first and second pressure sensors located within the housing. The first tube portion of the impact sensor is attached to the first pressure sensor and the second tube portion of the impact sensor is attached to the second pressure sensor. The pressure sensing unit senses changes in fluid pressure within the tubes. In one embodiment, the tube portions of the impact sensor define a loop. In another embodiment, at least a portion of the first tube portion and at least a portion of the second tube portion share a common axis.

主权项

1. A sensing and injury mitigation system for a vehicle to identify an object in an impact event, the system comprising:
an impact sensor including first and second tubes, each of said tubes including an arcuate portion and a straight portion; a first pressure sensor to which said first tube is attached; a second pressure sensor to which said second tube is attached, said arcuate portion of said first tube being connected to said first pressure sensor and said arcuate portion of said second tube being connected to said second pressure sensor; and a housing within which said pressure sensors are located.