DEVICE FOR PREVENTING UNAUTHORIZED USE OF VEHICLE ENGINE Russian patent published in 2002 - IPC

FIELD: transport engineering; antitheft devices. SUBSTANCE: interlockable device, partially or completely, and interlocking elements are installed in protective housing and are fixed by special means which prevent their removal from mounting places in vehicle without breaking of said means, and communication line is protected from connection of external devices. In particular cases tear-off head elements are used or elements are provided with drilled out places for mounting tools, or electromechanical lock. Fiber-optic, narrow- directed air-optic or shielded communication line can be used. If external devices are connected to this line serviceability of engine cannot be restored. EFFECT: improved efficiency of antitheft protection of vehicle by complicating process of restoration of engine serviceability. 14 cl, 4 dwg