Omnidirectional Wind Driven Intake and Exhaust

Abstract

This application discloses a passive ventilation system, including intake and exhaust, both driven by natural wind invariably regardless of wind direction, without a necessity for electric or other power supply. The intake assembly is an improved wind catcher, with multiple wind collectors arranged around a common chamber, each having an outer end open to ambient air, an inflow valve, and an inner end connecting the common chamber, which connects a conduit allowing fresh air and positive pressure to enter an indoor space being ventilated. The exhaust assembly is an augmented negative pressure generator to induce stale air to exit the space being ventilated through another conduit. The inflow and outflow conduits are configured to form a pipe-in-pipe or shell-and-tubes heat exchanger to mitigate heating or cooling energy loss and draft discomfort. Rainwater proof and condensation draining mechanisms, and optional inflow air filter mounting, are also provided.

I claim: 
     
         1 . A ventilation system to be capable of being mounted onto an enclosed object's exterior, comprising an intake assembly and an exhaust assembly:
 said intake assembly comprising a plurality of tunnels to be arranged around a common chamber, each of said tunnels having an outer end to be open to ambient air, an inflow valve, and an inner end to connect said common chamber, said inflow valve to allow only inward flow through each of said tunnels into said common chamber, at least one first conduit extending from said common chamber to connect a space to be ventilated within said enclosed object; and   said exhaust assembly comprising a raised member to be spaced from, and secured over, said intake assembly with a plurality of support members, said raised member having a surface to face an end opening of at least one second conduit, said at least one second conduit to extend through said common chamber to connect said space to be ventilated.   
     
     
         2 . The system of  claim 1 , wherein said at least one second conduit to extend in parallel with, and to be encircled by, said at least one first conduit. 
     
     
         3 . The system of  claim 2 , wherein said at least one second conduit having a pleated tubular wall with axial troughs and ridges. 
     
     
         4 . The system of  claim 1 , wherein an air filter to be facilitated to said at least one first conduit. 
     
     
         5 . The system of  claim 4 , wherein said air filter being a circumferential air filter to encircle said at least one first conduit's exit end(s), and having a disc to face said exit end(s) and deflect axial airflow to disperse radially in passing said air filter. 
     
     
         6 . A ventilation system to be capable of being mounted onto an enclosed object's exterior, comprising an intake assembly and an exhaust assembly:
 said intake assembly comprising a plurality of tunnels to be arranged around a common chamber, each of said tunnels having an outer end to be open to ambient air, an inflow valve, and an inner end to connect said common chamber, said inflow valve to allow only inward flow through each of said tunnels into said common chamber, at least one first conduit extending from said common chamber to connect a space to be ventilated within said enclosed object; and   said exhaust assembly comprising a hollow body with a base to be attached to said intake assembly and to encircle all end opening(s) of at least one second conduit facilitated to extend from said base through said intake assembly to connect said space to be ventilated, at least one first aperture being facilitated on said hollow body's outer part opposite said base, to be in fluid communication with said all end opening(s) of said at least one second conduit by way of said hollow body; and a raised member to be spaced from said outer part of said hollow body, to be secured over at least one of said hollow body and said intake assembly with a plurality of support members, and to have a surface facing said at least one first aperture on said outer part of said hollow body.   
     
     
         7 . The system of  claim 6 , wherein at least one internal cap to be housed and supported inside said hollow body, positioned between said base of said hollow body and said outer part of said hollow body, and spaced from said at least one first aperture and from said all end opening(s). 
     
     
         8 . The system of  claim 7 , wherein said at least one internal cap having at least one edge portion to tilt toward said base and at least one other edge portion to tilt toward said outer part. 
     
     
         9 . The system of  claim 6 , wherein at least one of said surface of said raised member and said outer part of said hollow body being convex toward the other. 
     
     
         10 . The system of  claim 6 , wherein said raised member being a raised hollow body and secured on said hollow body with said plurality of support members, said surface having at least one second aperture opposite said at least one first aperture, and at least one of said plurality of support members being a tubular member to channel said raised hollow body's internal space to said hollow body's internal space. 
     
     
         11 . A ventilation system to be capable of being mounted to a side wall's exterior of an enclosed object, comprising an exhaust assembly, said exhaust assembly comprising:
 a hollow body having a base and an outer part opposite each other, at least one first aperture being facilitated on said outer part in fluid communication with a first internal space in said hollow body, and said base to be in parallel with said side wall's exterior;   a raised member to be spaced from, and secured over, said hollow body with a plurality of support members, and having a surface of substantial area to face said at least one first aperture;   at least one drain orifice being facilitated only on a lowest portion of said hollow body, therein to drain rainwater having invaded said first internal space;   at least one conduit to extend from said base of said hollow body to channel said first internal space with a space to be ventilated within said enclosed object.   
     
     
         12 . The system of  claim 11 , wherein said raised member being a raised plate having said surface to face said at least one first aperture. 
     
     
         13 . The system of  claim 12 , wherein at least one of said plurality of support members having an elongate convex cross-section with its long axis perpendicular to a nearest segment of said base's perimeter. 
     
     
         14 . The system of  claim 11 , wherein said raised member being a raised hollow body having said surface to face said at least one first aperture, said surface having at least one second aperture, said at least one second aperture being opposite said at least one first aperture on said outer part of said hollow body and in fluid communication with a second internal space in said raised hollow body, at least one of said plurality of support members being a tubular member to allow fluid communication between said second internal space of said raised hollow body and said first internal space of said hollow body, and at least one drain orifice being facilitated only on a lowest portion of said raised hollow body, therein to drain rainwater having invaded said second internal space. 
     
     
         15 . The system of  claim 14 , wherein at least one of said plurality of support members having an elongate convex cross-section with its long axis perpendicular to a nearest segment of said base's perimeter. 
     
     
         16 . A ventilation system to be capable of being mounted onto a rooftop of an enclosed object, comprising an exhaust assembly, said exhaust assembly comprising:
 a hollow body having a base and an upper part opposite each other, at least one first aperture being facilitated on said upper part in fluid communication with a first internal space in said hollow body, and said base to be in parallel with said rooftop;   a raised member to be spaced from, and secured over, said hollow body with a plurality of support members, and having a surface of substantial area to face said at least one first aperture;   at least one drain orifice being facilitated only on a lowest portion of said hollow body, therein to drain rainwater having invaded said first internal space;   at least one conduit to extend from said base of said hollow body to channel said first internal space with a space to be ventilated within said enclosed object;   at least one internal cap to be housed and supported in said hollow body, positioned between said base of said hollow body and said upper part of said hollow body, and spaced from said at least one first aperture and from all end opening(s) of said at least one conduit, said at least one internal cap having at least one edge portion to tilt toward said base and at least one other edge portion to tilt toward said upper part.   
     
     
         17 . The system of  claim 16 , wherein said raised member being a raised plate having said surface to face said at least one first aperture. 
     
     
         18 . The system of  claim 17 , wherein at least one of said plurality of support members having an elongate convex cross-section with its long axis perpendicular to a nearest segment of said base's perimeter. 
     
     
         19 . The system of  claim 16 , wherein said raised member being a raised hollow body having said surface to face said at least one first aperture, said surface having at least one second aperture, said at least one second aperture being opposite said at least one first aperture on said upper part of said hollow body and in fluid communication with a second internal space in said raised hollow body, at least one of said plurality of support members being a tubular member to allow fluid communication between said second internal space of said raised hollow body and said first internal space of said hollow body. 
     
     
         20 . The system of  claim 19 , wherein at least one of said plurality of support members having an elongate convex cross-section with its long axis perpendicular to a nearest segment of said base's perimeter, whereby to force wind flow that passes through an external space between said outer part and said surface to converge toward said at least one first aperture. 
     
     
         21 . A ventilation system to be capable of being mounted onto an enclosed object's exterior, comprising an exhaust assembly, said exhaust assembly comprising:
 a raised elongate member to be spaced from, and secured over, an elongate base member with a plurality of support members, said raised elongate member and said elongate base member extending in a direction to parallel with one another and parallel with an exterior surface of said enclosed object for said system to be mounted onto, said raised elongate member having a surface to face at least one first aperture facilitated on said elongate base member, said at least one first aperture in fluid communication with at least one conduit extending from said elongate base member to connect a space to be ventilated within said enclosed object.   
     
     
         22 . The system of  claim 21 , wherein said elongate base member being an elongate hollow body having a base and an outer part, with said outer part to face said surface of said raised elongate member, and said at least one first aperture being facilitated on said outer part of said elongate hollow body and in fluid communication with said space to be ventilated via a first internal space in said elongate hollow body and via said at least one conduit. 
     
     
         23 . The system of  claim 22 , wherein at least one internal cap to be housed and supported inside said elongate hollow body, positioned between said base and said outer part of said elongate hollow body, and spaced from said at least one first aperture and from all end opening(s) of said at least one conduit, said at least one internal cap having at least one edge portion to tilt toward said base and at least one other edge portion to tilt toward said outer part. 
     
     
         24 . The system of  claim 23 , wherein said raised elongate member being a raised elongate hollow body having said surface. 
     
     
         25 . The system of  claim 24 , wherein said raised elongate hollow body having at least one second aperture to be opposite said at least one first aperture on said outer part of said elongate hollow body, and at least one of said plurality of support members being a tubular member to allow fluid communication between a second internal space in said raised elongate hollow body and said first internal space of said elongate hollow body. 
     
     
         26 . The system of  claim 21 , wherein at least one of said plurality of support members having an elongate convex cross-section with its long axis perpendicular to a plane defined by long axes of said raised elongate hollow body and said elongate hollow body, whereby to force wind flow that passes through an external space between said raised elongate hollow body and said elongate hollow body to converge toward said at least one first aperture. 
     
     
         27 . A ventilation system to be capable of being mounted onto an enclosed object's exterior, comprising an intake assembly, said intake assembly comprising:
 a plurality of tunnels to be arranged around an elongate common chamber, said elongate common chamber extending in a direction to parallel with an exterior surface of said enclosed object for said system to be mounted onto, each of said plurality of tunnels having an outer end to be open to ambient air, an inflow valve, and an inner end to connect said elongate common chamber, said inflow valve to allow only inward flow through each of said plurality of tunnels into said elongate common chamber, at least one conduit extending from said elongate common chamber to connect a space to be ventilated within said enclosed object.   
     
     
         28 . The system of  claim 27 , wherein at least one of said plurality of tunnels being a straight tunnel with parallel walls extending between said inner end and said outer end.