Operator station emergency visual assurance method and apparatus

• US 4,832,287 A
• Filed: 07/22/1987
• Issued: 05/23/1989
• Est. Priority Date: 07/22/1987
• Status: Expired due to Term

• Current Assignee: VisionSafe Corp.
• Original Assignee: Bertil Werjefelt
• Inventors: Werjefelt, Bertil
• Primary Examiner(s): Barefoot, Galen
• Application Number:
  US07/076,597
• Time in Patent Office: 671 Days
• Field of Search: 244/118.5, 244/121, 244/129.2, 169/50, 169/54, 128/200.28, 128/200.29, 128/205.26, 128/201.23, 128/201.25, 128/201.29, 340/705, 340/712, 280/732, 280/731, 296/21, 296/97 R, 296/84 M, 52/2
• US Class Current: 244/118.5
• CPC Class Codes: B60R 1/00 Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
• CPC Class Codes: B60R 2300/80 characterised by the intended use of the viewing arrangement
• CPC Class Codes: B64D 11/00 Passenger or crew accommodation; Flight-deck installations not otherwise provided for
• CPC Class Codes: B64D 2231/025 Oxygen masks; Mask storages seats combined with storage means, said storage means being specially adapted for emergency equipment B64D11/0629; Features related to mask deployment
• CPC Class Codes: Y02T 50/40 Weight reduction

Abstract

The invention includes an operator station emergency visual assurance system for providing the operator with substantially uninterrupted access to operationally necessary visual information under emergency conditions of a progressive invasion by heavy smoke and/or particulate matter toward and/or into the space between the source of said visual information and the operator. The system includes a station with a source of visual information. An operator position is provided spaced from said source of visual information with positionable means for providing a clear path of visibility between said source of visual information and the operator when in the operator position, when the positionable means is positioned between the source of visual information and the operator. The invention also includes the method of utilizing the system.

Claims

1. An operator station emergency visual assurance system for providing the operator with substantially uninterrupted access to operationally necessary visual information under emergency conditions of a progressive invasion by heavy smoke and/or particulate matter toward and/or into the space between the source of said visual information and the operator, comprising:

(a) a station

(b) said station having a source of visual information

(c) an operator position at said station spaced from said source of visual information,

(d) movable structural positionable means for providing a clear path of visibility between said source of visual information and said operator when in said operator position; and

(e) said positionable means comprising a container which is movable between said operator and said source of visual information and operable to completely fill the visual path between said operator and said source of visual information.

2. An operator station assembly visual assurance system as in claim 1, including:

(a) life support means for said operator associated with said operator position.

3. An operator station emergency visual assurance system as in claim 1, wherein:

(a) said positionable means is transparent.

4. An operator station emergency visual assurance system as in claim 3, wherein:

(a) said transparent positionable means is deformable.

5. An operator station emergency visual assurance system as in claim 3, wherein:

(a) said transparent positionable means is inflatable.

6. An operator station emergency visual assurance system as in claim 3, wherein:

(a) said transparent positionable means is expandable.

7. An operator station emergency visual assurance system as in claim 3, wherein:

(a) said transparent positionable means is manually operable.

8. An operator station emergency visual assurance system as in claim 7, wherein:

(a) said transparent positionable means comprises an expandable enclosed space which is operable to completely fill the visual path between the operator and said source of visual information.

9. An operator station emergency visual assurance system as in claim 7, wherein:

(a) said transparent positionable means comprises an inflatable bag-like enclosed space means which is operable to completely fill the visual path between the operator and said source of visual information.

10. An operator station emergency visual assurance system as in claim 9, wherein:

(a) said inflatable bag-like enclosed space means is enclosed by a resilient and deformable material which adapts it to fill visual paths of a range of distances and to intimately engage transparent window means over the source of the visual information responsive to various inflation pressures.

11. An operator station emergency visual assurance system as in claim 10, wherein:

(a) said inflatable bag-like enclosed space with the inner space of an attached inflatable helmet portion which is adapted to be hand fitted over the operator'"'"'s head and in sealing relationship to the operator'"'"'s upper body by the operator.

12. An operator station emergency visual assurance system as in claim 11, including:

(a) life support means for the operator mounted on and communicating with the interior of said helmet portion.

13. An operator station emergency visual assurance system as in claim 9, including:

(a) life support means for the operator separate from and outside said inflatable bag-like enclosed space means.

14. An operator station emergency visual assurance system as in claim 13, wherein:

(a) said life support means comprises a separate inflatable helmet which is adapted to be hand-fitted over the operator'"'"'s head and in sealing relationship to the operator'"'"'s upper body by the operator, and in which that portion of the helmet surface which faces toward the source of the visual information is sufficiently elastic to enable it to closely engage said inflatable bag-like enclosed space means, so that said inflatable bag-like enclosed space means and said separate inflatable helmet together comprise said clear path of visibility between said source of visual information and the operator.

15. An operator station emergency visual assurance system as in claim 1, wherein:

(a) said positionable means having an emergency operative-deployed position and a non-emergency inoperative stored position

(b) means for storing said positionable means in said inoperative position during non-emergency conditions, and

(c) means for deploying said positionable means from said stored position to said operative position when said emergency conditions occur.

16. An operator station emergency visual assurance system as in claim 15, wherein:

(a) said positionable means is transparent.

17. An operator station emergency visual assurance system as in claim 16, wherein:

(a) said positionable means comprises movable means mounted in stored position at the operator station and adapted to be deployed so as to completely fill the visual path between the operator and said source of visual information.

18. An operator station emergency visual assurance system as in claim 17, wherein:

(a) said movable means in its stored position is mounted over the said source of visual information and is sealed about the periphery of the said source of visual information so that said visual information is totally enveloped within and protected by said movable means from said emergency conditions of smoke and/or particulate matter in both the stored and deployed positions of said positionable means.

19. An operator station emergency visual assurance system as in claim 18, wherein:

(a) said movable means comprises at least one separate section which is expandable.

20. An operator station emergency visual assurance system as in claim 18, wherein:

(a) said section which is expandable is manually operable.

21. An operator station emergency visual assurance system as in claim 17, wherein:

(a) said movable means comprises at least one separate section which is inflatable.

22. An operator station emergency visual assurance system as in claim 17, wherein:

(a) said movable means comprises at least two separate sections which are inflatable, each of said inflatable sections having a contact surface which is adapted to face and to contact the contact surface of the other section along a common plane generally transverse to the said visual path between the said source of visual information and the operator when the said two separate sections are inflated.

23. An operator station emergency visual assurance system as in claim 22, wherein:

(a) one of the said two separate inflatable sections of said movable means comprises a hood means which is adapted to be sealed about the upper body of the operator, and

(b) said hood means having connected thereto life support means for said operator.

24. An operator station emergency visual assurance system as in claim 23, wherein:

(a) the other of the said two separate inflatable sections of said movable means comprises a hand held unit.

25. An operator station emergency visual assurance system as in claim 17, wherein:

(a) said movable means comprises at least three separate sections which are inflatable in series so that each section comprises a part of said clear visual path between the said source of visual information and the operator.

26. An operator station emergency visual assurance system as in claim 25, wherein:

(a) one of the said three separate inflatable sections of said movable means comprises a hood means which is adapted to be sealed about the upper body of the operator, and

(b) said hood means having connected thereto life support means for said operator.

27. An operator station emergency visual assurance system as in claim 26, wherein:

(a) a second of the said three separate inflatable sections of said movable means is mounted in close proximity to said source of visual information and is sized and configured such that, when inflated, it will be directed toward the said source of visual information to first displace all vision obstructing smoke and/or particulate matter from the said visual path between the said source of visual information and the operator and, thereafter, to seal against said source of visual information, thereby assuring a clear path of visibility to the said source of visual information through said second separate inflatable section of said movable means.

28. An operator station emergency visual assurance system as in claim 27, wherein:

(a) the third of the said three separate inflatable sections of said movable means comprises a hand-held unit which, when inflated, bridges the space between the said first operator hood inflatable section and the second visual information source sealing inflatable section, thereby assuring a clear path of visibility between the said source of visual information and the operator.

29. An operator station emergency visual assurance system as in claim 15, including:

(a) normally stored auxiliary backup instrument means associated with said positionable means

(b) said auxiliary backup instrument means being adapted to be deployed simultaneously with said positionable means and so as to be within the confines of the clear path of visibility provided by said positionable means, and

(c) said positionable means and said auxiliary backup instrument means being so associated with one another that, when both said means are deployed, said positionable means precludes all vision obstructing smoke and/or particulate matter from the visual path between the operator and said-auxiliary backup instrument means.

30. An operator station emergency visual assurance system as in claim 15, including:

(a) fixed position auxiliary backup instrument means associated with said positionable means

(b) said auxiliary backup instrument means being mounted within the confines of the clear path of visibility provided by said positionable means, and

(c) said positionable means and said auxiliary backup instrument means being so associated with one another that said positionable means when deployed precludes all vision obstructing smoke and/or particulate matter from the visual path between the operator and said auxiliary backup instrument means.

31. An operator station emergency visual assurance system as in claim 2, wherein:

(a) said life support means for said operator comprises conventional separate face sealing eye goggle and clean breathing gas mask means such as worn by aviators in unpressurized cockpit conditions.

32. An operator station emergency visual assurance system as in claim 2, wherein:

(a) said life support means includes operator eye shielding means, and

(b) said positionable means includes a collapsible chamber having a transparent movable contact surface for engagement with said operator eye shielding means.

33. An operator station emergency visual assurance system as in claim 32, wherein:

(a) said contact surface is substantially rigid, and

(b) said collapsible chamber includes pivot means for pivoting said transparent rigid contact surface of said collapsible chamber into engagement and out of engagement with said eye shielding means.

34. An operator station emergency visual assurance system as in claim 1, including:

(a) automatic sensing means for sensing the onset of said emergency conditions, and

(b) signaling means associated with said sensing means for signaling the operator of the onset of said emergency conditions, whereby the operator is notified of the necessity to position said positionable means in the space between said source of visual information and the said operator position.

35. An operator station emergency visual assurance system as in claim 15, including:

(a) automatic sensing means for sensing the onset of said emergency conditions, and

(b) automatic deploying means associated with said sensing means for automatically deploying said positionable means from said storage means into the space between said source of visual information and said operator position responsive to a sensing by said sensing means of the onset of said emergency conditions.

36. An operator station emergency visual assurance system as in claim 1, including:

(a) auxiliary light means which is so associated with said positionable means that when said positionable means is positioned in the space between said source of visual information and the operator said auxiliary light means illuminates said source of visual information.

37. An operator station emergency visual assurance system as in claim 1, including:

(a) printed material means concerning operator emergency procedures, said printed material means being so associated with said positionable means that when said positionable means is positioned in the space between said source of visual information and the operator said printed material means will be viewable in said clear path of visibility.

38. An operator station emergency visual assurance system as in claim 5, wherein:

(a) said inflatable transparent positionable means comprises multiple chamber means

(b) at least one of said multiple chamber means being a low pressure chamber means made of soft pliable material for making close sealing contact with, over and around the source of visual information and/or the visage of the operator and/or another low pressure chamber means of said positionable means

(c) a source of low pressure inflating gas connectable to said low pressure sealing contact chamber means

(d) at least one other of said multiple chamber means being a high pressure chamber means made of high strength low-stretch material fixed to said low pressure chamber means for providing form reinforcing support for said low pressure chamber means

(e) a source of high pressure inflating gas connectable to said high pressure form reinforcing chamber means, and

(f) whereby upon inflation of said low pressure and said high pressure chamber means by their respective sources of inflation gas, when the said positionable means is positioned between said source of visual information and said operator, the said high pressure chamber means will reinforcingly support the said low pressure chamber means in its desired form and position while the low pressure chamber means makes and maintains close sealing contact with, over and around the said source of visual information and/or the visage of the operator and/or another low pressure chamber means of said positionable means.

39. An operator station emergency visual assurance system as in claim 3, wherein:

(a) said positionable means being provided at its point of contact with said source of visual information and/or the visage of said operator with a peripheral closed loop means of a compliant springy material, fixed on said positionable means about the periphery of said clear path of visibility, for sealing with, over and around irregularities on the surface of the said source of visual information and/or visage of said operator.

65. An operator station emergency visual assurance system as in claim 5, wherein:

(a) said inflatable transparent positionable means comprises inflatable chamber means;

(b) said inflatable chamber means comprising at least one low pressure chamber means made of soft pliable material for making close sealing contact with, over and around the source of visual information and/or the visage of the operator and/or another low pressure chamber means of said positionable means;

(c) a source of low pressure inflating gas connectable to said low pressure sealing contact chamber means;

(d) form and position reinforcing means fixed to said low pressure sealing contact chamber means for providing form and position reinforcing support for said low pressure sealing contact chamber means, and

(e) whereby upon inflation of said low pressure sealing contact chamber means by said source of low pressure inflating gas, when the said positionable means is positioned between said source of visual information and said operator, the said form and position reinforcing means will reinforcingly support the said low pressure chamber means in its desired form and position while the low pressure chamber means makes and maintains close sealing contact with, over and around the said source of visual information and/or the visage of the operator and/or another low pressure chamber means of said positionable means.

66. An operator station emergency visual assurance system as in claim 65, wherein:

(a) said form and position reinforcing means comprises at least one length of rigid material.

67. An operator station emergency visual assurance system as in claim 65, wherein:

(a) said form and position reinforcing means comprises at least one length of semi-rigid material.

68. An operator station emergency visual assurance system as in claim 65, wherein:

(a) said form and position reinforcing means comprises at least one high pressure chamber means made of high strength low-stretch material;

(b) a source of high pressure inflating gas connectable to said high pressure chamber means, and

(c) whereby upon inflation of said high pressure chamber means by said source of high pressure inflating gas, the said high pressure chamber means will reinforcingly support the desired form and position of said low pressure sealing contact chamber means.

40. An operator station emergency visual assurance method, for use at a station including a source of operationally necessary visual information and an operator position spaced from said source of visual information, and for assuring said operator substantially uninterrupted access to said source of visual information under emergency conditions of a progressive invasion by heavy smoke and/or particulate matter toward and/or into the space between the said source of visual information and the operator, comprising the steps of:

(a) providing a positionable clear path of visibility means having a container movable between said operator and said source of visual information enabling it to completely fill such of the space between said source of visual information and said operator as includes the visual path between said source of visual information and the operator,

(b) positioning said positionable means in the space between said source of visual information and the operator, and

(c) thereby preempting and/or displacing any smoke and/or particulate matter from said visual path and thus assuring the provision of a clear path of visibility between said source of visual information and said operator under such emergency conditions.

42. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing life support means for said operator.

43. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing transparent positionable means.

44. An operator station emergency visual assurance method as in claim 43, and including:

(a) providing deformable positionable means.

45. An operator station emergency visual assurance method as in claim 44, and including:

(a) providing expansible positionable means.

46. An operator station emergency visual assurance method as in claim 45, and including:

(a) providing inflatable positionable means.

47. An operator station emergency visual assurance method as in claim 45, and including:

(a) manually expanding said positionable means.

48. An operator station emergency visual assurance method as in claim 46, and including:

(a) manually positioning said positionable means.

49. An operator station emergency visual assurance method as in claim 46, and including:

(a) providing elastic inflatable positionable means, and

(b) expanding and contracting said elastic inflatable positionable means to compensate for different distances of the operator from said source of visual information.

50. An operator station emergency visual assurance method as in claim 49, and including:

(a) stretching that portion of said positionable means which is on the source of visual information side thereof.

51. An operator station emergency visual assurance method as in claim 50, and including:

(a) providing life support means for said operator.

52. An operator station emergency visual assurance method as in claim 40, and including:

(a) sensing the onset of said emergency conditions,

(b) signalling said operator that the onset of said emergency conditions has been sensed, and

(c) thereby notifying the operator of the necessity to position said positionable means in the space between said source of visual information and the said operator position.

53. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing storage means for storing said positionable means in an inoperative position during non-emergency conditions, and

(b) storing said positionable means in said storage means during non-emergency conditions.

54. An operator station emergency visual assurance method as in claim 53, and including:

(a) causing said positionable means to automatically deploy from said storage means into the space between said source of visual information and the operator, and to fill said space, responsive to a sensing of the onset of said emergency conditions.

55. An operator station emergency visual assurance method as in claim 54, and including:

(a) providing inflatable positionable means,

(b) deploying and automatically inflating said inflatable positionable means, and

(c) filling the space between said source of visual information and the operator with said inflatable positionable means.

56. An operator station emergency visual assurance method as in claim 55, and including:

(a) sealing at least part of said inflatable positionable means over and about the edges of said source of visual information.

57. An operator station emergency visual assurance method as in claim 55, and including:

(a) sealing at least a part of said inflatable positionable means about the upper body of the operator.

58. An operator station emergency visual assurance method as in claim 57, and including:

(a) providing life support means for said operator.

59. An operator station emergency visual assurance method as in claim 53, and including:

(a) providing inflatable positionable means,

(b) causing portions of said inflatable positionable means to automatically deploy from said storage means into the space between said source of visual information and the operator responsive to a sensing of the onset of said emergency conditions, and

(c) hand deploying another portion of said inflatable positionable means from said storage means into the space between said source of visual information and the operator so that said hand deployed portion and said automatically deployed portions of said inflatable positionable means together constitute said clear visual path between said source of visual information and said operator.

60. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing auxiliary backup instrument means for said source of visual information, and

(b) positioning said auxiliary backup instrument means within the confines of said clear path of visibility.

61. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing auxiliary light means associated with said positionable clear path of visibility means, and

(b) illuminating the said source of visual information with said auxiliary light means.

62. An operator station emergency visual assurance method as in claim 40, and including:

(a) providing printed material means concerning emergency procedures in association with said positionable clear path of visibility means, and

(b) locating said printed material means in relationship to said positionable clear path of visibility means so that said printed material means will be viewable by the operator in the said clear path of visibility when the said positionable clear path of visibility means is positioned in the space between said source of visual information and the operator.

63. An operator station emergency visual assurance method as in claim 46, and including:

(a) providing inflatable positionable means having multiple separately sealed chamber means which are physically connected, but not inflatably connected, to one another, at least one of said chamber means being made of soft pliable material and having a contact surface means, and at least one other of said chamber means being made of high strength low-stretch material,

(b) inflating said soft pliable chamber means with low pressure inflating gas so that the contact surface means thereof will make close sealing contact with, over and around the source of visual information and/or the visage of the operator when said inflatable positionable means is positioned in the space between said source of visual information and the operator, and

(c) inflating said high strength low-stretch chamber means with high pressure inflating gas so that said high strength low-stretch chamber means will provide form reinforcing support for said low pressure soft pliable chamber means when said inflatable means is positioned in the space between said source of visual information and the operator.

64. An operator station emergency visual assurance method as in claim 49, and including:

(a) fixing on said elastic inflatable positionable means, at its point of contact with said source of visual information and/or the visage of said operator, and about the periphery of said clear path of visibility, a peripheral closed loop means of compliant springy material for sealing over and around irregularities on the surface of the said source of visual information and/or the visage of said operator.

41. In a work station area which includes an operator position and visual acquisition material for said operator which is spaced from said operator position, the method for providing clear visibility between said operator and said acquisition material when vision impeding fluids, vapors, and/or particulate matter interpose in the space between the operator and the visual acquisition material which includes the steps of:

(a) inserting into the space between said operator and said acquisition material a container for excluding said vision impeding fluids, vapors, and/or particulate matter,

(b) providing light transmitting means from said operator to said acquisition material in said inserted container, and

(c) thereby maintaining said operator'"'"'s visibility to said acquisition material at all times when said vision impeding fluids, vapors and/or particulate matter are present in said work station area.