Vehicle air bag minimum distance enforcement apparatus, method and system
First Claim
1. A vehicle air-bag minimum safe clearance distance apparatus for use with a first air-bag and a first seat mounted within a passenger compartment of a vehicle, the apparatus comprising:
- a first seat position adjusting mechanism movably connecting the first seat with respect to the vehicle, and to allowing the first seat to move relative to the first air-bag along a first axis between a forward-most position and a rearward-most position; and
an occupant protrusion determining arrangement to determine an occupant protrusion;
wherein;
the forward-most position is a position of the first seat in which a distance between a passenger seated in the first seat and the first air-bag is equal to a minimum safe clearance distance, displacement of the first seat away from the forward-most position increasing the distance between the first seat and the first air-bag, and the first air-bag is fixedly positioned with respect to one of a steering wheel assembly for a driver and a dashboard arrangement for a passenger other than the driver.
1 Assignment
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Accused Products
Abstract
A vehicle air-bag apparatus for use with a first air-bag and a first seat mounted within a passenger compartment of a vehicle, the apparatus including a first seat position adjusting mechanism to movably connect the first seat with respect to the vehicle, and to allow the first seat to move relative to the first air-bag along a first axis between a forward-most position and a rearward-most position, in which the forward-most position is a position of the first seat in which a distance between a passenger seated in the first seat and the first air-bag is equal to a minimum clearance distance, displacement of the first seat away from the forward-most position increasing the distance between the first seat and the first air-bag, and the first air-bag is fixedly positioned with respect to one of a steering wheel assembly for a driver and a dashboard arrangement for a passenger other than the driver, in which the minimum clearance distance is the distance between a reference line of a seat-back of the first seat less a predetermined protrusion of an occupant. The predetermined protrusion of the occupant is one of a fixed distance, and an actual occupant protrusion. The actual occupant protrusion is determinable based on an extracted seat belt length.
52 Citations
59 Claims
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1. A vehicle air-bag minimum safe clearance distance apparatus for use with a first air-bag and a first seat mounted within a passenger compartment of a vehicle, the apparatus comprising:
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a first seat position adjusting mechanism movably connecting the first seat with respect to the vehicle, and to allowing the first seat to move relative to the first air-bag along a first axis between a forward-most position and a rearward-most position; and
an occupant protrusion determining arrangement to determine an occupant protrusion;
wherein;
the forward-most position is a position of the first seat in which a distance between a passenger seated in the first seat and the first air-bag is equal to a minimum safe clearance distance, displacement of the first seat away from the forward-most position increasing the distance between the first seat and the first air-bag, and the first air-bag is fixedly positioned with respect to one of a steering wheel assembly for a driver and a dashboard arrangement for a passenger other than the driver. - View Dependent Claims (2, 3, 4, 5, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
a distance sensor which detects a distance between a passenger seated in the first seat and the first air-bag, the distance sensor being coupled to a computer, wherein the control unit includes the computer, and wherein the computer determines the location of the forward-most position of the first seat so that, when the first seat is in the forward-most position, a distance between a passenger seated in the first seat and the first air-bag is equal to the minimum safe clearance distance.
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23. The apparatus of claim 22, further comprising a pedal mount to which at least one vehicle control pedal is mounted, wherein, when the first seat is in the forward-most position, upon actuation of the seat position switch to request forward motion of the first seat, the pedal mount is movable toward the first seat.
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24. The apparatus of claim 23, further comprising a memory in which preferred first seat and pedal mount positions are stored.
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25. The apparatus of claim 23, further comprising an override switch which allows a passenger to select a personal forward-most position so that, when the first seat is in the personal forward-most position, actuation of the seat position switch to request further forward motion of the first seat initiates rearward motion of the at least one vehicle control pedal.
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26. The apparatus of claim 22, wherein the first seat is movable vertically.
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27. The apparatus of claim 26, further comprising a height sensor for sensing a height of eyes of a passenger in the first seat, wherein the height sensor is coupled to, the computer for use in moving the first seat vertically until an optimum eye height is achieved.
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28. The apparatus of claim 22, wherein, when the distance sensor indicates that a passenger seated in the first seat has encroached within the minimum safe clearance distance, the computer controls operation of the first air-bag in a reduced clearance mode.
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29. The apparatus of claim 28, wherein in the reduced clearance mode, the computer prohibits deployment of the first air-bag.
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30. The apparatus of claim 28, wherein in the reduced clearance mode, the computer reduces an inflation pressure of the first air-bag.
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31. The apparatus of claim 28, wherein in the reduced clearance mode, the computer directs staged inflation of the air-bag.
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32. The apparatus of claims 1 and 6, further comprising a pedal switch, operation of the pedal switch causing a corresponding motion of a pedal mount.
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33. The apparatus of claims 1 and 6, further comprising:
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a height sensor for sensing a height of eyes of a passenger in the first seat; and
a seat position controller for use in moving the first seat vertically until an optimum eye height is achieved.
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34. The apparatus of claims 1 and 6, further comprising:
a distance sensor to sense a position of a passenger seated in the first seat corresponding to a distance between the passenger and the first air-bag, and to provide data to a control unit for use in horizontally moving the first seat along the first axis until the distance sensor indicates that the first seat is in the forward-most position.
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35. The apparatus of claims 1 and 6, further comprising:
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a pedal position adjusting mechanism for moving at least one pedal toward and away from the first seat, the first seat being a driver seat;
a distance sensor for determining an actual distance and for providing it to a control unit for defining the forward-most position based on a distance between a passenger seated in the first seat and the first air-bag; and
a passenger notification device coupled to the control unit for notifying the passenger, when the passenger moves forward within the minimum safe clearance distance, that the minimum safe clearance distance has been encroached upon.
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36. The apparatus of claims 1 and 6, further comprising:
a pedal adjusting arrangement to move a plurality of pedals between a first position and a second position, the at least one pedal being positioned in the passenger compartment forward of the first seat, and when one of the plurality of pedals is moved, the plurality of pedals moves together, so as to maintain a predetermined positioning of each of the plurality of pedals relative to one another.
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37. The apparatus of claim 36, wherein the first position and the second position are separated by a distance of about six inches.
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38. The apparatus of claim 36, wherein the front-seat arrangement and the pedal adjusting arrangement are operated so that the passenger may operate the plurality of pedals while seated at the minimum safe clearance distance.
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39. The apparatus of claim 36, wherein the pedal adjusting arrangement includes a positioning arrangement that is movable to move the plurality of pedals between the first position and the second position, and the pedal adjusting arrangement is operable to move the plurality of pedals linearly between the first position and the second position.
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40. The apparatus of claim 39, wherein the first position and the second position are separated by a distance of about six inches.
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41. The apparatus of claims 36, wherein the minimum safe clearance distance provides a distance of about 10 inches between a portion of a chest of the passenger and the air-bag.
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42. The apparatus of claim 41, wherein the first seat and the pedal adjusting arrangement are operated so that the passenger may operate the plurality of pedals while seated at the minimum safe clearance distance.
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43. The apparatus of claims 1 and 6, further comprising:
a distance determining arrangement that includes a distance sensor to obtain a measure of the distance between the passenger and the first air-bag.
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44. The apparatus of claims 1 and 6, further comprising:
- a passenger position determining arrangement to determine a position corresponding to an eye-level height of the passenger.
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45. The apparatus of claim 44, wherein the air-bag is mounted in a steering wheel of the vehicle.
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46. The apparatus of claims 1 and 6, wherein the occupant protrusion is determined using computations expressed for an average chord c of arcs XY and YZ, where c=an average seat chord length, h=the occupant (chest) protrusion from a predetermined seat-back line, and L=an average arc, length, where:
- c2/4/h+h=D, where D/2=r, so that 3.1416*D=circumference, and c/(R*2)=sin ½
angle a, so that 360/3.1416*D=angle a (degrees)/L, so that L is used to determine an extracted seat belt length ESBL, where ESBL=2(L−
c)=extracted belt length in excess of chords XY and YZ, which represent shoulder and lap seat belt lengths for an unoccupied seat.
- c2/4/h+h=D, where D/2=r, so that 3.1416*D=circumference, and c/(R*2)=sin ½
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6. A vehicle air-bag minimum safe clearence distance apparatus for use with a first air-bag and a first seat mounted within a passenger compartment of a vehicle, the apparatus comprising:
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means for providing first seat position adjustment by movably connecting the first seat with respect to the vehicle, and allowing the first seat to move relative to the first air-bag along a first axis between a forward-most position and a rearward-most position; and
means for determining an occupant protrusion;
wherein;
the forward-most position is a position of the first seat in which a distance between a passenger seated in the first seat and the first air-bag is equal to a minimum safe clearance distance, displacement of the first seat away from the forward-most position increasing the distance between the first seat and the first air-bag, and the first air-bag is fixedly positioned with respect to one of a steering wheel assembly for a driver and a dashboard arrangement for a passenger other than the driver. - View Dependent Claims (7, 8, 9)
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47. A method of maintaining a minimum safe clearance between an air-bag mounted in a vehicle and a vehicle passenger to be protected by the air-bag, wherein the vehicle includes a seat which may be moved toward and away from the air-bag, the method comprising:
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limiting motion of the seat toward the air bag to prevent motion of the seat beyond a forward-most position wherein, when in the forward-most position, a passenger seated in the seat is separated from the air-bag by a predetermined minimum safe clearance;
adjusting a position of at least one vehicle control pedal to achieve a desired distance between the seat and the at least one pedal; and
determining an occupant protrusion based on an extracted seat belt length;
wherein the air-bag is fixedly positioned with respect to one of a steering wheel assembly for a driver and a dashboard arrangement for a passenger other than the driver. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
wherein the vehicle includes a computer and a sensor for detecting a distance between a passenger seated in the seat and the air-bag, the step of limiting motion of the seat being performed to prohibit further forward directed movement of the seat when the sensor indicates that the distance between a passenger seated in the seat and the air-bag is equal to the minimum safe clearance.
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49. The method of claim 47, wherein the vehicle further includes a pedal moving arrangement for moving the at least one pedal toward and away from the seat, the method further comprising:
operating the pedal moving arrangement to move the at least one pedal rearward toward the seat while the seat is in the forward-most position.
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50. The method of claim 47, further comprising:
preventing the air-bag from deploying when the sensor indicates that a passenger seated in the seat has encroached within the minimum safe clearance.
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51. The method of claim 47, further comprising:
reducing an inflation rate of the air-bag when the sensor indicates that a passenger seated in the seat has encroached within the minimum safe clearance.
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52. The method of claim 47, further comprising:
inflating the air-bag in stages when the sensor indicates that a passenger seated in the seat has encroached within the minimum safe clearance.
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53. The method of claim 47, further comprising:
moving the at least one pedal between a first position and a second position using a pedal adjusting arrangement, the at least one pedal being positioned in a passenger compartment forward of the seat.
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54. The method of claim 53, wherein the at least one pedal includes a plurality of pedals, and when one of the plurality of pedals is moved, the plurality of pedals moves together, so as to maintain a predetermined positioning of each of the plurality of pedals relative to one another.
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55. The method of claim 53, wherein the first position and the second position are separated by a distance of about six inches.
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56. The method of claim 53, wherein the seat and the pedal adjusting arrangement are operated so that the passenger may operate the at least one pedal while seated at the minimum safe clearance.
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57. The method of claim 53, wherein the pedal adjusting arrangement includes a positioning arrangement that is movable to move the at least one pedal between the first position and the second position, wherein the pedal adjusting arrangement is operable to move the at least one pedal linearly between the first position and the second position.
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58. The method of claim 47, wherein a distance sensor obtains a measure of the distance between the passenger and the air-bag.
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59. The method of claim 47, further comprising:
- determining a position corresponding to an eye-level height of the passenger.
Specification