Portable air moving device
First Claim
Patent Images
1. A portable air moving device that is free standing on a support surface, said device comprising:
- a base for engaging said support surface;
an elongate housing having a longitudinal length extending substantially upward from said base;
an interior space defined by said elongate housing;
an overall vertical length of said portable air moving device comprising;
an upper portion defined by the upper half of said overall vertical length;
a lower portion defined by a lower half of said overall vertical length;
at least one air inlet in said elongate housing allowing intake air to enter said interior space;
an air blower assembly disposed substantially within said lower portion of said overall vertical length and within said interior space, said air blower assembly comprising;
an air impeller;
a motor for rotating said air impeller about an axis of rotation;
a center of gravity of said portable air moving device located within said lower half of said overall vertical length;
a vertically oriented elongate air outlet located within said upper portion of said elongate housing;
a high velocity exhaust air stream generated by said air blower assembly, wherein substantially all of said exhaust air stream exits said interior space via said vertically elongate air outlet as said high velocity exhaust air stream at an elevation above said air blower assembly; and
an air passageway directly connecting an exhaust port of said blower assembly to said vertically oriented elongate air outlet, wherein said air passageway comprises an air directing component comprising an elongate curved member that directs said high velocity exhaust air stream from said blower assembly toward said vertically oriented elongate air outlet.
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Abstract
A stable portable air moving device capable of generating an air stream elevated above a support surface allowing the air stream to be directed as desired by the user is provided. The device includes an air blower assembly located within an elongate housing generating an exhaust air stream that exits the elongate housing at an elevation above the air blower assembly.
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Citations
61 Claims
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1. A portable air moving device that is free standing on a support surface, said device comprising:
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a base for engaging said support surface; an elongate housing having a longitudinal length extending substantially upward from said base; an interior space defined by said elongate housing; an overall vertical length of said portable air moving device comprising; an upper portion defined by the upper half of said overall vertical length; a lower portion defined by a lower half of said overall vertical length; at least one air inlet in said elongate housing allowing intake air to enter said interior space; an air blower assembly disposed substantially within said lower portion of said overall vertical length and within said interior space, said air blower assembly comprising; an air impeller; a motor for rotating said air impeller about an axis of rotation; a center of gravity of said portable air moving device located within said lower half of said overall vertical length; a vertically oriented elongate air outlet located within said upper portion of said elongate housing; a high velocity exhaust air stream generated by said air blower assembly, wherein substantially all of said exhaust air stream exits said interior space via said vertically elongate air outlet as said high velocity exhaust air stream at an elevation above said air blower assembly; and an air passageway directly connecting an exhaust port of said blower assembly to said vertically oriented elongate air outlet, wherein said air passageway comprises an air directing component comprising an elongate curved member that directs said high velocity exhaust air stream from said blower assembly toward said vertically oriented elongate air outlet.
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2. A portable air moving device that is free standing on a support surface, said device comprising:
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a base for engaging said support surface; an elongate housing coupled to said base having a longitudinal length extending substantially upward from said support surface; said elongate housing defining an interior space; an overall vertical length of said portable air moving device comprising; an upper portion defined by the upper half of said overall vertical length; a lower portion defined by a lower half of said overall vertical length; at least one air inlet in said elongate housing allowing intake air to enter said interior space; an air blower assembly disposed substantially within said lower portion of said overall vertical length and within said interior space, said air blower assembly comprising; a motor; an air impeller rotated about an axis of rotation by said motor; a high velocity exhaust air stream generated by said air blower assembly; a vertically oriented elongate air outlet located within said upper portion of said elongate housing allowing said high velocity exhaust air stream to exit said interior space; an air directing component that directs said high velocity exhaust air stream from said blower assembly toward said vertically oriented elongate air outlet; a maximum velocity of said high velocity exhaust air stream when measured about 8 feet from said air outlet; a maximum thrust generated by said maximum velocity of said high velocity exhaust air stream in a direction substantially opposite to a direction of a flow of said high velocity exhaust air stream as said high velocity exhaust air stream exits said air outlet; and a velocity to thrust ratio, said velocity to thrust ratio being said maximum velocity of said exhaust air stream divided by said maximum thrust generated by said exhaust air stream, wherein said ratio is about 500;
1 or greater. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 59)
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17. A portable air moving device that is free standing, said device comprising:
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a base for engaging a support surface; an elongate housing coupled to said base having a longitudinal length extending substantially upward from said base; an interior space defined by said elongate housing; an overall vertical length of said portable air moving device comprising; an upper portion defined by the upper half of said overall vertical length; a lower portion defined by a lower half of said overall vertical length; at least one air inlet in said lower portion of said elongate housing allowing intake air to enter said interior space of said elongate housing; an air blower assembly disposed within said interior space of said elongate housing, said air blower assembly comprising; an impeller casing comprising; an intake port; an exhaust port, wherein said exhaust port comprises an exhaust port area defined by a major dimension oriented side to side and a minor dimension oriented front to back relative to said elongate housing; an air impeller disposed in said impeller casing; a motor for rotating said impeller about an axis of rotation; wherein said air blower assembly generates a high velocity exhaust air stream; a vertically oriented elongate air outlet in said elongate housing located within said upper portion allowing said exhaust air stream to exit said interior space of said elongate housing, wherein said air outlet comprises an air outlet area defined by a major dimension oriented top to bottom and a minor dimension oriented side to side relative to said elongate housing; and a first flow path of ambient air, wherein a rotating motion of said air impeller acts to draw said ambient air along said first flow path, through said air inlet and into said interior space of said elongate housing, said ambient air subsequently passing through said intake port and into said air blower assembly along said first flow path; a second flow path comprising a high velocity exhaust air stream generated by rotating motion of said impeller, which accelerates said inlet air in said air blower assembly thereby generating said high velocity exhaust air stream, wherein said high velocity exhaust air stream exits said air blower assembly through said exhaust port of said impeller casing along said second flow path; a transition area within said interior space of said elongate housing fluidly connecting said exhaust port of said air blower assembly in said lower portion of said elongate housing to said vertically oriented elongate air outlet in said upper portion of said elongate housing, wherein said transition area allows said high velocity exhaust air stream to change direction and orientation as said high velocity exhaust air stream flows from said exhaust port of said air blower assembly to said vertically oriented elongate air outlet in said elongate housing; and a third flow path comprising said high velocity exhaust air stream, said third flow path resultant of said change of direction and orientation of said high velocity exhaust air stream in said transition area, wherein substantially all of said high velocity exhaust air stream exits said interior space through said vertically oriented elongate air outlet along said third flow path; wherein said transition area provides a smooth transition between said second flow path and said third flow path to effectively maintain said air flow velocity of said high velocity exhaust air stream. - View Dependent Claims (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, 47, 48, 49, 50, 51, 52, 56, 57, 58, 60)
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53. A portable air moving device that is free standing, said device comprising:
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an elongate housing having a longitudinal length extending substantially upward; an upper portion defined by the upper half of said elongate housing; a lower portion defined by a lower half of said elongate housing; at least one air inlet in said lower portion of said elongate housing allowing intake air to enter said housing; at least one air segregation wall within said elongate housing dividing an interior of said elongate housing into an intake portion and an exhaust portion; an air blower assembly disposed within said lower portion of said elongate housing, said air blower assembly comprising; an impeller casing having at least one intake port located within said intake portion of said interior of said housing and at least one exhaust port, wherein said exhaust port comprises an exhaust port area defined by a major dimension oriented substantially side to side and a minor dimension oriented substantially front to back of said elongate housing; an air impeller rotatably disposed in said impeller casing; a motor for rotating said impeller about an axis of rotation; a high velocity exhaust air stream generated by said air blower assembly and passing through said exhaust port of said air blower assembly; an expansion area in said exhaust portion of said interior of said elongate housing located downstream of and in fluid communication with said impeller casing exhaust port; an elongate air outlet in said elongate housing located substantially within said upper portion of said elongate housing and in fluid communication with said expansion area, wherein said elongate air outlet comprises an air outlet area defined by a major dimension oriented substantially top to bottom and a minor dimension oriented substantially side to side of said elongate housing; a second flow path defined by said high velocity exhaust air stream exiting said at least one exhaust port of said impeller casing, said second flow path comprising a major dimension oriented substantially side to side and a minor dimension oriented front to back of said elongate housing as said second flow path exits said exhaust port of said impeller casing; and a third flow path defined by said high velocity exhaust air stream discharging from said elongate air outlet of said elongate housing, said third flow path comprising a major dimension oriented substantially top to bottom and a minor dimension oriented substantially side to side of said elongate housing as said third flow path exits said elongate air outlet of said elongate housing. - View Dependent Claims (54, 55)
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61. A portable air moving device that is free standing on a support surface, said device comprising:
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a base for engaging said support surface; an elongate housing having a longitudinal length extending substantially upward from said base; an interior space defined by said elongate housing; an overall vertical length of said portable air moving device comprising; an upper portion defined by the upper half of said overall vertical length; a lower portion defined by a lower half of said overall vertical length; at least one air inlet in said elongate housing allowing intake air to enter said interior space; an air blower assembly disposed substantially within said lower portion of said overall vertical length and within said interior space, said air blower assembly comprising; an air impeller; a motor for rotating said air impeller about an axis of rotation; a center of gravity of said portable air moving device located within said lower half of said overall vertical length; a vertically oriented elongate air outlet located within said upper portion of said elongate housing; a high velocity exhaust air stream generated by said air blower assembly, wherein substantially all of said exhaust air stream exits said interior space via said vertically elongate air outlet as said high velocity exhaust air stream at an elevation above said air blower assembly; an air passageway directly connecting an exhaust port of said blower assembly to said vertically oriented elongate air outlet, wherein said air passageway comprises an air directing component comprising an elongate curved member that directs said high velocity exhaust air stream from said blower assembly toward said vertically oriented elongate air outlet; and a velocity to thrust ratio, wherein a maximum velocity of said exhaust air stream measured about 8 feet from said air outlet divided by a maximum thrust generated by said exhaust air stream in a direction substantially opposite to the direction of the flow of said exhaust air stream as it exits said air outlet is about 500;
1 or greater.
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Specification