A VOYAGE DATA RECORDER CAPSULE UNIT

摘要

A VDR CAPSULE UNIT (100) COMPRISING A CAPSULE (102); A FIRST CHAMBER DISPOSED INSIDE THE CAPSULE (102), A DATA STORAGE COMPONENT DISPOSED INSIDE THE FIRST CHAMBER; A THERMAL MASS LIQUID DISPOSED INSIDE THE FIRST CHAMBER; AND A VENT MECHANISM FOR VENTING GAS OR STEAM FROM THE FIRST CHAMBER WHEN A TEMPERATURE AMBIENT AROUND THE CAPSULE (102) CAUSES A PHASE CHANGE IN THE THERMAL MASS LIQUID. FIG. 1