System for triggering a protecting device
First Claim
1. An electrical energization system for a D.C. voltage operated ignition device arranged to trigger a safety device in an emergency, comprising:
- a D.C. power supply network operating at a first voltage that is insufficient to activate said ignition device;
a voltage generator arrangement connected to the power supply network and arranged to provide a second D.C. power supply at a second voltage that is higher than said first voltage;
said ignition device connected to said second power supply and configured so as to be electrically activatable by the second voltage but not activatable by said first voltage.
2 Assignments
0 Petitions
Accused Products
Abstract
A system for connecting an ignition device to a direct current network wherein the ignition device is capable of being activated for triggering a safety device in an emergency. For example, the safety device can be constituted of a safety belt tensioner or an airbag in a vehicle arranged to be inflated by a gas generator upon detection of a certain deceleration of the vehicle. At least one safety device is connected to an internal network of the vehicle via an electronic unit including at least one acceleration sensor and an arrangement for the generation of a direct current voltage for activating the ignition device at a given deceleration, the direct current voltage generated being higher than the internal line voltage. The system is dimensioned such that the direct current network of the vehicle does not have a potential that is high enough to activate the ignition device.
-
Citations
16 Claims
-
1. An electrical energization system for a D.C. voltage operated ignition device arranged to trigger a safety device in an emergency, comprising:
-
a D.C. power supply network operating at a first voltage that is insufficient to activate said ignition device; a voltage generator arrangement connected to the power supply network and arranged to provide a second D.C. power supply at a second voltage that is higher than said first voltage; said ignition device connected to said second power supply and configured so as to be electrically activatable by the second voltage but not activatable by said first voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
Specification