A surface mounted device includes a hollowed base body mounted on a building or vehicle exterior, and a hollowed raised body supported and secured on the base body with hollowed elongated members. A free space is formed between the base body and the raised body. An opening or openings are facilitate
A surface mounted device includes a hollowed base body mounted on a building or vehicle exterior, and a hollowed raised body supported and secured on the base body with hollowed elongated members. A free space is formed between the base body and the raised body. An opening or openings are facilitated on, and near the center of, the lower surface of the raised body, to connect the free space with the internal space of the base body through the hollowed raised body and hollowed elongated support members. The base body and the raised body are configured in such a way that the free space between them is narrower at the center than along the perimeter. This forms an airflow path that is first contracting towards the center and then expanding afterwards for any approaching wind direction, providing a venturi mechanism. The device thus creates a low air pressure in the free space near the center and hence suction effect at said opening, and communicates the suction effect to any space that is connected to the internal space of the base body.
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1. A surface mounted device comprising: a hollowed base body being mounted on building or vehicle exterior;a hollowed raised body being supported and secured on said base body with a plurality of hollowed elongated members;a free space being formed between said base body and said raised body;an open
1. A surface mounted device comprising: a hollowed base body being mounted on building or vehicle exterior;a hollowed raised body being supported and secured on said base body with a plurality of hollowed elongated members;a free space being formed between said base body and said raised body;an opening or a plurality of openings being facilitated on, and near the center of, the lower surface of said raised body, and being channeled to the internal space of said base body through the internal spaces of said raised body and elongated members;and means of mounting and securing said base body to building or vehicle exterior; wherein said free space being generally narrower at the center than along the perimeter, forming a first contracting and then expanding airflow path for any approaching wind direction, whereby to create a low pressure or a suction effect at said opening(s) and communicate said suction effect to any space connected to said internal space of said base body. 2. A device, comprising: a first hollow body defining a first surface;a second hollow body defining a second surface, at least one aperture being formed in the second surface, the second hollow body and the first hollow body being spaced apart from one another with the first surface facing the second surface; andat least one hollow member extending between the first body and the second body, the at least one hollow member placing the at least one aperture in fluid communication with the first hollow body;wherein a distance between the first surface and the second surface decreases in a direction approaching the at least one aperture. 3. The device of claim 2, wherein the first surface and the second surface are arranged such that the distance therebetween is narrower near respective centers of the first hollow body and the second hollow body than along outer perimeters thereof. 4. The device of claim 2, wherein at least one of the first surface and the second surface is convex. 5. The device of claim 4, wherein each of the first surface and the second surface is convex. 6. The device of claim 2, wherein at least one of the first surface and the second surface is formed by one or more planar surfaces. 7. The device of claim 6, wherein at least one of the first surface and the second surface is substantially flat. 8. The device of claim 2, wherein the at least one aperture is arranged at a location where the distance between the first surface and the second surface is smallest. 9. The device of claim 2, wherein the first hollow body is configured to be mounted on one of a building and a vehicle exterior. 10. A device, comprising: a first base body defining a first internal space;a second raised body defining a second internal space and including at least one aperture, the second raised body and the first base body being spaced apart from one another; andat least one hollow member extending from the first base body to the second raised body, the at least one hollow member placing the at least one aperture in fluid communication with the first base body;wherein a space defined between the first base body and the second raised body forms a venturi such that a low pressure is formed at the at least one aperture when airflow passes between the first base body and the second raised body. 11. The device of claim 10, wherein the first base body and the second raised body are spaced apart from one another such that a distance therebetween is narrower near respective centers of the first base body and the second raised body than along respective outer perimeters. 12. The device of claim 10, wherein at least one of the first base body and the second raised body includes a convex surface. 13. The device of claim 12, wherein each of the first base body and the second raised body includes a convex surface. 14. The device of claim 10, wherein at least one of the first base body and the second raised body includes one or more planar surfaces. 15. The device of claim 14, wherein at least one of the first base body and the second raised body includes a substantially flat surface. 16. The device of claim 10, wherein the at least one aperture is arranged at a location where the spaced relationship between the first base body and the second raised body is smallest. 17. The device of claim 10, wherein the first base body is configured to be mounted on one of a building and a vehicle exterior. 18. A surface mountable device comprising: a hollowed base body for being mounted on a surface;a hollowed raised body being supported and secured on said base body with at least one hollowed elongated member, wherein a free space is defined between said base body and said raised body; andat least one opening being provided on a surface of said raised body facing said base body, and being channeled to the internal space of said base body through the internal spaces of said raised body and said at least one hollowed elongated member;wherein said free space being generally narrower at the at least one opening than along a surrounding perimeter and forming a first contracting and then expanding airflow path for any approaching wind direction to thereby create a low pressure or a suction effect at said at least one opening and communicate said suction effect to any space connected to said internal space of said base body. 19. The surface mountable device of claim 18, wherein the at least one opening is provided at substantially a center of the surface of said raised body. 20. The surface mountable device of claim 18, wherein said base body includes a mounting device to secure said base body to the surface. 21. An arrangement associated with a roof, comprising: a roof component; andthe device of claim 2;wherein the at least one aperture of the second hollow body of the device is in fluid communication with an underside of the roof component. 22. The arrangement of claim 21, wherein the roof component comprises a roof membrane. 23. A method of facilitating counteraction to wind uplift force on a roof, comprising: creating a suction effect under a surface of the roof via wind flowing between the first surface of the first hollow body and the second surface of the second hollow body of the device of claim 2. 24. The method of claim 23, further comprising securing the device to the roof. 25. The method of claim 23, wherein creating a suction effect under the surface of the roof includes reducing pressure at the at least one aperture in the second surface of the second hollow body. 26. The method of claim 25, wherein creating a suction effect under the surface of the roof includes reducing pressure in the at least one hollow member and in the second hollow body. 27. The method of claim 23, wherein creating a suction effect under the surface of the roof includes pulling a membrane of the roof downward via the suction effect. 28. An arrangement associated with a roof, comprising: a roof component; andthe device of claim 10;wherein the first internal space of the first base body of the device is in fluid communication with an underside of the roof component. 29. The arrangement of claim 28, wherein the roof component comprises a roof membrane. 30. A method of facilitating counteraction to wind uplift force on a roof, comprising: creating a suction effect under a surface of the roof via wind flowing through the space defined between the first base body and the second raised body of the device of claim 10. 31. The method of claim 30, further comprising securing the device to the roof. 32. The method of claim 30, wherein creating a suction effect under the surface of the roof includes reducing pressure at the at least one aperture of the second raised body. 33. The method of claim 32, wherein creating a suction effect under the surface of the roof includes reducing pressure in the at least one hollow member and in the first internal space of the first base body. 34. The method of claim 30, wherein creating a suction effect under the surface of the roof includes pulling a membrane of the roof downward via the suction effect. 35. An arrangement associated with a roof, comprising: a roof component; andthe surface mountable device of claim 18;wherein the internal space of the hollowed base body of the surface mountable device is in fluid communication with an underside of the roof component. 36. The arrangement of claim 35, wherein the roof component comprises a roof membrane. 37. A method of facilitating counteraction to wind uplift force on a roof, comprising: creating a suction effect under a surface of the roof via wind flowing through the free space defined between the hollowed base body and the hollowed raised body of the surface mountable device of claim 18. 38. The method of claim 37, further comprising securing the surface mountable device to the roof. 39. The method of claim 37, wherein creating a suction effect under the surface of the roof includes reducing pressure at the at least one opening on the surface of the hollowed raised body. 40. The method of claim 39, wherein creating a suction effect under the surface of the roof includes reducing pressure in the at least one hollowed elongated member and in the hollowed base body. 41. The method of claim 37, wherein creating a suction effect under the surface of the roof includes pulling a membrane of the roof downward via the suction effect. 42. A roof vent for use with a roof, comprising: a lower body including a top surface;an upper body supported above the lower body, the upper body including a bottom surface and an opening in the bottom surface; andat least one hollow member providing fluid communication between an interior of the upper body and an interior of the lower body;wherein the top surface of the lower body and the bottom surface of the upper body face each other and define a space therebetween; andwherein a distance between the top surface of the lower body and the bottom surface of the upper body decreases from a periphery of at least one of the lower body and the upper body to the opening. 43. The roof vent of claim 42, further comprising a flange circumscribing a bottom of the lower body. 44. The roof vent of claim 43, wherein the opening is situated where the distance between the top surface of the lower body and the bottom surface of the upper body is smallest. 45. The roof vent of claim 43, wherein a portion of at least one of the top surface of the lower body and the bottom surface of the upper body is substantially planar. 46. The roof vent of claim 43, wherein the top surface of the lower body and the bottom surface of the upper body are both convex. 47. The roof vent of claim 42, wherein the opening is situated where the distance between the top surface of the lower body and the bottom surface of the upper body is smallest. 48. The roof vent of claim 42, wherein a portion of at least one of the top surface of the lower body and the bottom surface of the upper body is substantially planar. 49. The roof vent of claim 42, wherein the top surface of the lower body and the bottom surface of the upper body are both convex. 50. The roof vent of claim 42, wherein the at least one hollow member supports the upper body above the lower body. 51. The roof vent of claim 42, wherein the roof vent comprises a plurality of hollow members providing fluid communication between the interior of the upper body and the interior of the lower body. 52. An arrangement associated with a roof, comprising: a roof component; andthe roof vent of claim 42;wherein the interior of the lower body of the roof vent is in fluid communication with an underside of the roof component. 53. The arrangement of claim 52, wherein the roof component comprises a roof membrane. 54. A method of facilitating counteraction to wind uplift force on a roof, comprising: creating a suction effect under a surface of the roof via wind flowing through the space defined between the top surface of the lower body and the bottom surface of the upper body of the roof vent of claim 42. 55. The method of claim 54, further comprising securing the roof vent to the roof. 56. The method of claim 54, wherein creating a suction effect under the surface of the roof includes reducing pressure at the opening in the bottom surface of the upper body. 57. The method of claim 56, wherein creating a suction effect under the surface of the roof includes reducing pressure in the at least one hollow member and in the interior of the lower body. 58. The method of claim 54, wherein creating a suction effect under the surface of the roof includes pulling a membrane of the roof downward via the suction effect. 59. A roof vent for use with a roof, comprising: an upper body including a bottom surface; anda lower body including an interior and a top surface opposite the bottom surface of the upper body;wherein at least one of the top surface of the lower body and the bottom surface of the upper body includes a convex shape so that a portion of said at least one of said top and bottom surfaces curves toward the other of said top and bottom surfaces defining a space therebetween;wherein the bottom surface of the upper body defines at least one opening;wherein the interior of the lower body is in fluid communication with the opening defined by the upper body;wherein said space is configured to allow air to pass between the top surface of the lower body and the bottom surface of the upper body, thereby reducing air pressure at the opening defined by the upper body; andwherein the top surface of the lower body lacks any opening that provides flow directly from the interior of the lower body to the space. 60. A roof vent according to claim 59, wherein at least one of said upper and lower bodies is substantially enclosed. 61. A roof vent according to claim 59, wherein the interior of the lower body is in fluid communication with the opening defined by the upper body via at least one member extending from the upper body to the lower body. 62. A roof vent according to claim 59, wherein the upper body includes an interior and the interior of the lower body is in fluid communication with the interior of the upper body. 63. A roof vent according to claim 59, wherein a portion of at least one of said top and bottom surfaces is substantially planar. 64. A roof vent according to claim 59, wherein both of said top and bottom surfaces are convex. 65. An arrangement associated with a roof, comprising: a roof component; andthe roof vent of claim 59;wherein the opening defined by the bottom surface of the upper body of the roof vent is in fluid communication with an underside of the roof component. 66. The arrangement of claim 65, wherein the roof component comprises a roof membrane. 67. A method of facilitating counteraction to wind uplift force on a roof, comprising: creating a suction effect under a surface of the roof via wind flowing through the space defined between the top surface of the lower body and the bottom surface of the upper body of the roof vent of claim 59. 68. The method of claim 67, further comprising securing the roof vent to the roof. 69. The method of claim 67, wherein creating a suction effect under the surface of the roof includes reducing pressure at the opening defined by the bottom surface of the upper body. 70. The method of claim 69, wherein creating a suction effect under the surface of the roof includes reducing pressure in the interior of the lower body. 71. The method of claim 67, wherein creating a suction effect under the surface of the roof includes pulling a membrane of the roof downward via the suction effect. 72. An arrangement associated with a roof, comprising: a roof component; anda roof vent comprising an upper body including a bottom surface defining at least one opening, anda lower body including a top surface;wherein the top surface of the lower body and the bottom surface of the upper body face each other and define a space therebetween;wherein a distance between the bottom surface of the upper body and the top surface of the lower body decreases in a direction approaching the opening defined by the bottom surface of the upper body;wherein the opening defined by the bottom surface of the upper body of the roof vent is in fluid communication with an underside of the roof component; andwherein the top surface of the lower body lacks any opening that provides flow directly from an interior of the lower body to the space. 73. The arrangement of claim 72, wherein the roof component comprises a roof membrane. 74. The arrangement of claim 72, wherein an interior of the lower body is in fluid communication with the opening defined by the bottom surface of the upper body. 75. The arrangement of claim 72, further comprising at least one hollow member providing fluid communication between an interior of the upper body and an interior of the lower body. 76. The roof vent of claim 42, wherein the top surface of the lower body lacks any opening that provides flow directly from the interior of the lower body to the space. 77. The roof vent of claim 42, wherein the roof vent defines a flow path extending from the interior of the lower body to the opening in the bottom surface of the upper body, wherein the flow path provides fluid communication of the interior of the lower body with the opening in the bottom surface of the lower body, and wherein the flow path does not include said space. 78. A roof vent according to claim 59, wherein the roof vent defines a flow path extending from the interior of the lower body to the opening defined by the upper body, wherein the flow path provides the fluid communication of the interior of the lower body with the opening defined by the upper body, and wherein the flow path does not include said space. 79. The arrangement of claim 72, wherein the arrangement defines a flow path extending from the underside of the roof component to the opening defined by the bottom surface of the upper body, wherein the flow path provides the fluid communication of the underside of the roof component with the opening defined by the bottom surface of the upper body, and wherein the flow path does not include said space. 80. A roof vent for use with a roof, comprising: an upper body including a bottom surface; anda lower body including an interior and a top surface opposite the bottom surface of the upper body;wherein at least one of the top surface of the lower body and the bottom surface of the upper body includes a convex shape so that a portion of said at least one of said top and bottom surfaces curves toward the other of said top and bottom surfaces defining a space therebetween;wherein the bottom surface of the upper body defines at least one opening;wherein the interior of the lower body is in fluid communication with the opening defined by the upper body;wherein said space is configured to allow air to pass between the top surface of the lower body and the bottom surface of the upper body, thereby reducing air pressure at the opening defined by the upper body; andwherein the roof vent defines a flow path extending from the interior of the lower body to the opening defined by the upper body, wherein the flow path provides the fluid communication of the interior of the lower body with the opening defined by the upper body, and wherein the flow path does not include said space. 81. An arrangement associated with a roof, comprising: a roof component; anda roof vent comprising an upper body including a bottom surface defining at least one opening,a lower body including a top surface;wherein the top surface of the lower body and the bottom surface of the upper body face each other and define a space therebetween;wherein a distance between the bottom surface of the upper body and the top surface of the lower body decreases in a direction approaching the opening defined by the bottom surface of the upper body;wherein the opening defined by the bottom surface of the upper body of the roof vent is in fluid communication with an underside of the roof component; andwherein the arrangement defines a flow path extending from the underside of the roof component to the opening defined by the bottom surface of the upper body, wherein the flow path provides the fluid communication of the underside of the roof component with the opening defined by the bottom surface of the upper body, and wherein the flow path does not include said space.
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