Intelligent Vehicle Safety Restraint System
First Claim
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1. An occupant restraint system comprising;
- a crash recognition module comprising a microprocessor and an inertial measurement unit;
a motorized retractor in communication with said crash recognition module; and
,at least one restraint strap sized to restrain an occupant and retractably disposed on said motorized retractor;
wherein said crash recognition module adjusts a retraction state of said motorized retractor based on inertial data from said inertial measurement unit.
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Abstract
A resettable combat vehicle restraint system prevents secondary impacts within the vehicle cabin during crash, mine blast, or rollover events by positioning the occupant within a load attenuating seat to best survive the dangerous event. The preferred embodiment of the restraint system includes a five point restraint, webbing retractors for each lap and shoulder belt with the capability for both reversible and pyrotechnic pretensioning, an active headrest, and a crash recognition module to electrically activate the pyrotechnic pretensioners and to electrically modulate the actions of the reversible pretensioning retractors and the active headrest.
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Citations
20 Claims
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1. An occupant restraint system comprising;
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a crash recognition module comprising a microprocessor and an inertial measurement unit; a motorized retractor in communication with said crash recognition module; and
,at least one restraint strap sized to restrain an occupant and retractably disposed on said motorized retractor; wherein said crash recognition module adjusts a retraction state of said motorized retractor based on inertial data from said inertial measurement unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An occupant restraint system comprising:
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a first electrically controllable retractor having a first spool position sensor and a first electrically controllable pretensioner;
said first electrically controllable retractor being fixed within a vehicle;a second electrically controllable retractor having a second spool position sensor and a second electrically controllable pretensioner;
said second electrically controllable retractor being fixed within said vehicle;a buckle; a lap strap coupled to said first electrically controllable retractor and selectively engageable with said buckle; a shoulder strap coupled to said second electrically controllable retractor and selectively engageable with said buckle; an inertial measurement unit comprising sensors for measuring acceleration of a vehicle along a longitudinal, lateral and vertical axis; and
,a microprocessor in communication with said first spool position sensor, said second position sensor, said first electrically controllable pretensioner and said second electrically controllable pretensioner; wherein said microprocessor is configured to retract said first electrically controllable pretensioner and said second electrically controllable pretensioner based on longitudinal, lateral and vertical axis acceleration data. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. An occupant restraint system comprising;
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a crash recognition module comprising a microprocessor and an inertial measurement unit; a five point restraint mechanism sized to restrain an occupant; a plurality of retractors coupled to said five point restraint system and in communication with said crash recognition module; wherein said crash recognition module adjusts a retraction state of said plurality of retractors based on inertial data from said inertial measurement unit. - View Dependent Claims (20)
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Specification