Land vehicles – Wheeled – Attachment
Patent
1996-02-09
1998-03-10
English, Peter C.
Land vehicles
Wheeled
Attachment
280741, 1022025, 307 101, B60R 2126, B60R 2132
Patent
active
057252424
ABSTRACT:
A control arrangement for a deployable airbag of a vehicle is provided with first and second airbag controllers for receiving a fault signal at the first airbag controller, and for producing at the second airbag controller a deployment command signal that indicates that the deployable airbag is to be deployed. The second airbag controller receives the deployment command signal, and is provided with a communication controller for receiving the deployment command signal, a squib for firing in response to the deployment command signal whereby the deployable airbag is deployed, and an energy transfer arrangement coupled to the communication controller and the squib for transferring a deployment energy to the squib in response to the deployment command signal. The squib is configured to require a predeterminable minimum quantum of energy to effect the firing thereof in response to the deployment command signal. A heater is coupled to an energy transfer arrangement for receiving a second electrical energy from the energy transfer arrangement and providing preheat to the squib in response to the second electrical energy, whereby the predeterminable minimum quantum of energy applied to effect firing of the squib is exceeded by a combination of the first electrical energy and the preheat energy, which is monitored and controlled.
REFERENCES:
patent: 4819560 (1989-04-01), Patz et al.
patent: 4843964 (1989-07-01), Bickes, Jr. et al.
patent: 5122954 (1992-06-01), Okano
patent: 5400867 (1995-03-01), Muller et al.
patent: 5577768 (1996-11-01), Taguchi et al.
Belau Horst
Cook Jr. Charles R.
Parsons Mark A.
Swart Marten
English Peter C.
Ford Motor Company
Siemens Automotive Corporation
Wells Russel C.
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