US20070213003A1 - Powered ridge ventilation system and method - Google Patents
Powered ridge ventilation system and method Download PDFInfo
- Publication number
- US20070213003A1 US20070213003A1 US11/371,963 US37196306A US2007213003A1 US 20070213003 A1 US20070213003 A1 US 20070213003A1 US 37196306 A US37196306 A US 37196306A US 2007213003 A1 US2007213003 A1 US 2007213003A1
- Authority
- US
- United States
- Prior art keywords
- ridge
- roof
- fan
- ventilation system
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
- F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
- E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge of the roof
Definitions
- the present invention generally relates to roof ridge vents. More specifically, the present invention is directed to a powered ridge ventilation system and method for actively ventilating an upper part (e.g., attic) of a structure (e.g., building or house).
- an upper part e.g., attic
- a structure e.g., building or house
- Ventilation systems have been used in buildings for ventilation of inner parts of the buildings. These ventilation systems include combinations of roof vents, ridge vents, gable vents, soffit vents and the like.
- a roof ridge vent is incorporated into a ridge or apex of a roof that encloses the attic to ventilate (exhaust) excessive heated air that becomes trapped therein. More specifically, as solar heat becomes incident on the roof, the air in the attic is heated and becomes trapped if it remains unventilated.
- roof ridge vents are static vents. More specifically, a fraction of the trapped hot air escapes through the static roof ridge vent from air currents in the surrounding environment and from hot air expanding and escaping through the roof ridge vent.
- the static roof ridge vent cannot ventilate all the excess heated air in the attic.
- the roof ridge vent depends on incoming external air through a soffit/eave vent to ventilate the hotter air trapped in the attic. The incoming cooler air entering the attic displaces the heated air, which is exhausted through the roof ridge vent.
- the static roof ridge vent's ability to exhaust air is reduced by the transiency of wind speed, which affects the volume of air entering the soffit/eave vent. This increases energy costs associated with the cooling and the heating of the building.
- the present invention is directed to a powered ridge venting system and method for actively ventilating the attic of a building.
- a ridge ventilation system comprising a ridge slot disposed longitudinally in a ridge of a roof and a fan disposed in the ridge slot for actively exhausting air from an attic substantially enclosed by the roof, sidewalls and a ceiling into the ambient atmosphere.
- a method for ventilating an attic substantially enclosed by a root sidewalls and a ceiling comprising disposing a ridge slot longitudinally in a ridge of the roof and operating a fan disposed in the ridge slot to actively exhaust air from the attic or crawl space into the ambient atmosphere.
- a method for installing a ridge ventilation system for ventilating an attic substantially enclosed by a roof, sidewalls and a ceiling comprising constructing a ridge slot longitudinally disposed in a ridge of the roof and disposing a fan in the ridge slot to actively exhaust air from the attic into the ambient atmosphere.
- FIG. 1 illustrates a partial view of an upper part of a structure that incorporates the powered ridge ventilation system according to the present invention
- FIG. 2 illustrates a cross-sectional perspective view of the upper part of the structure in FIG. 1 , which incorporates the powered ridge ventilation system according to the present invention
- FIG. 3 illustrates a side perspective view of the upper part of the structure in FIGS. 1 and 2 , which incorporates the powered ridge ventilation system according to the present invention.
- FIG. 1 is an exemplary illustration depicting a partial view 100 of an upper part of a structure that incorporates the powered ridge ventilation system according to the present invention.
- the upper part of the structure includes conventional roof 104 and ceiling 116 that substantially enclose a space typically referred to as the attic 114 .
- Conventional sidewalls 102 may further bound the attic.
- the powered ridge ventilation system 120 comprises a ridge slot 112 , a fan 122 , and a roof ridge vent 106 for exhausting or ventilating air from the attic 114 or crawl space through the ridge slot 112 , fan 122 and roof ridge vent 105 into the ambient atmosphere.
- the ridge slot 112 is an opening in the ridge 118 of the roof 104 . More specifically, the ridge slot 112 is constructed at the ridge of the roof 104 .
- the fan 122 is disposed within the ridge slot 112 and the roof ridge vent 106 covers the ridge slot 112 and overlaps the roof 104 to prevent precipitation (e.g., rain, snow), insects and debris from entering the attic 114 .
- the roof ridge vent 106 is conventionally secured to the roof 104 .
- the fan 122 is vertically disposed in the ridge slot 112 to be within a close, predetermined distance to the roof ridge vent 106 .
- the fan 122 is preferably disposed from about one to about twelve inches below the roof ridge vent 106 in the ridge slot 112 .
- the roof ridge vent 106 comprises a plurality of vent slots 108 on both sides of the roof ridge vent 106 to exhaust or ventilate air from the attic 114 into the ambient atmosphere and a plurality of external baffles 110 to control the flow of precipitation that is incident on the roof ridge vent 106 .
- the roof ridge vent 106 is depicted with external baffles, it is to be noted that the roof ridge vent 106 may instead comprise a plurality of internal baffles (not shown).
- any other known apparatus, device or vent that allows the exhaust of air from the attic 114 into the ambient atmosphere, while preventing precipitation and other unwanted elements from entering the ridge slot 112 from the ambient atmosphere is applicable herein and is considered within the scope of the present invention.
- the powered ridge ventilation system 120 will be described in greater detail with reference to FIGS. 2 and 3 below.
- FIG. 2 is an exemplary illustration depicting a cross-sectional perspective view 200 of the upper part of the structure in FIG. 1 , which incorporates the powered ridge ventilation system according to the present invention.
- the fan 122 is preferably a centrifugal fan disposed in the ridge slot 112 longitudinally along the ridge 118 of the roof 104 .
- An inlet fan guard 204 prevents human injury during operation of the fan 122 and further prevents debris and insulation in the attic 114 from entering the fan 122 .
- the inlet fan guard 204 is preferably a wire mesh guard.
- the fan guard 204 is a fiberglass filter.
- the fan guard 204 may be any other known filter. It is noted that the fan guard 204 is not limited and may be anything that can prevent human injury during operation of the fan 112 and further protect the fan 112 from debris and insulation in the attic 114 .
- the fan 112 comprises a plurality of blades 202 that create a radial flow of air 210 through the fan 122 when powered via any conventional electrical power source 206 .
- the electrical power source 206 may instead be a solar power source (not shown).
- the fan 122 intakes air from the attic 114 and exhausts that air via flow 212 into the ambient atmosphere. That is, the fan 122 creates a pressure differential between the attic 114 and the ambient atmosphere, thereby actively exhausting the trapped air from the attic 114 through the roof ridge vent 106 into the ambient atmosphere.
- the combination of the centrifugal fan and the roof ridge vent 106 optimally ventilates the attic 114 .
- the powered ridge ventilation system 120 depicts one fan 122 and one roof ridge vent 106 , it is within the scope of the present invention that there may be a plurality of centrifugal fans (not shown) and corresponding roof ridge vents disposed longitudinally along the ridge 118 of the roof 104 .
- an axial fan (not shown) may be disposed in the ridge slot 112 perpendicularly to the ridge 118 of the roof 104 , to provide flow of air from the attic 114 through the roof ridge vent 106 into the ambient atmosphere.
- a plurality of axial fans and roof ridge vents 106 may be disposed along the ridge 118 of the roof 104 .
- other known types of fans and combinations thereof may easily be incorporated into the powered ridge ventilation system 120 and are considered to be within the scope of the present invention.
- the power ridge ventilation system 120 can also be installed for ridge board applications and truss style attic designs.
- FIG. 3 is an exemplary illustration depicting a side perspective view 300 of the upper part of the structure in FIGS. 1 and 2 , which incorporates the powered ridge ventilation system according to the present invention.
- the fan 122 of the power ridge ventilation system 102 is housed in a fan housing 302 and is protected by the inlet fan guard 204 .
- the powered ridge ventilation system may further preferably comprise a temperature sensor 304 that is enabled to detect when the temperature in the attic 114 exceeds a first predetermined temperature and signal the fan 122 to switch on and begin operating.
- the sensor 304 is further enabled to detect when the temperature in the attic 114 is equal to or falls below a second predetermined temperature and signal the fan 122 to switch off and stop operating.
- Other known sensing techniques may easily be incorporated into the powered ridge ventilation system 120 and are considered to be within the scope of the present invention. That is, alternatively to the temperature sensor 304 , a pressure sensor or a moisture sensor may be installed in the attic 114 and provide signals to the fan 122 . Yet further, a light sensor may be installed at a location where daylight is incident on the sensor.
- an automatic switch such as a timer switch, a manual toggle switch, or an automatic/manual combination switch may be provided for signaling the fan 122 to start and to stop.
- the temperature sensor 304 detects when the temperature is equal to or exceeds a first predetermined temperature and signals the fan 122 to begin operating.
- the operation of the fan creates a pressure differential between the attic 114 and the ambient atmosphere.
- This pressure differential causes air currents 306 to flow from the attic 114 into the roof ridge ventilation system 120 . More specifically, air currents 306 enter through the inlet fan guard 204 and the fan housing 302 and radially flow through the fan 122 .
- the air currents 306 are actively exhausted via flows 210 from the fan 122 through vent slots 108 on both sides of the roof ridge vent 106 into flows 212 in the ambient atmosphere.
- the temperature sensor 304 detects that the temperature is equal to or below the second predetermined temperature, it signals the fan 122 to stop operating.
- the cycles of operation of the roof ventilation system 120 are preferably controlled in accordance with the temperature sensor 304 .
Abstract
Description
- 1. Technical Field of the Invention
- The present invention generally relates to roof ridge vents. More specifically, the present invention is directed to a powered ridge ventilation system and method for actively ventilating an upper part (e.g., attic) of a structure (e.g., building or house).
- 2. Description of the Prior Art
- Ventilation systems have been used in buildings for ventilation of inner parts of the buildings. These ventilation systems include combinations of roof vents, ridge vents, gable vents, soffit vents and the like. In particular, a roof ridge vent is incorporated into a ridge or apex of a roof that encloses the attic to ventilate (exhaust) excessive heated air that becomes trapped therein. More specifically, as solar heat becomes incident on the roof, the air in the attic is heated and becomes trapped if it remains unventilated.
- Known roof ridge vents are static vents. More specifically, a fraction of the trapped hot air escapes through the static roof ridge vent from air currents in the surrounding environment and from hot air expanding and escaping through the roof ridge vent. However, the static roof ridge vent cannot ventilate all the excess heated air in the attic. In addition, the roof ridge vent depends on incoming external air through a soffit/eave vent to ventilate the hotter air trapped in the attic. The incoming cooler air entering the attic displaces the heated air, which is exhausted through the roof ridge vent. However the static roof ridge vent's ability to exhaust air is reduced by the transiency of wind speed, which affects the volume of air entering the soffit/eave vent. This increases energy costs associated with the cooling and the heating of the building.
- Therefore, there is a need in the art for providing a ridge ventilation system and method to overcome the limitation imposed by the transient wind speed and to improve the efficiency of the ventilation achieved by a roof ridge vent.
- The present invention is directed to a powered ridge venting system and method for actively ventilating the attic of a building.
- According to an embodiment of the present invention, there is provided a ridge ventilation system comprising a ridge slot disposed longitudinally in a ridge of a roof and a fan disposed in the ridge slot for actively exhausting air from an attic substantially enclosed by the roof, sidewalls and a ceiling into the ambient atmosphere.
- According to another embodiment of the present invention, there is provided a method for ventilating an attic substantially enclosed by a root sidewalls and a ceiling, the method comprising disposing a ridge slot longitudinally in a ridge of the roof and operating a fan disposed in the ridge slot to actively exhaust air from the attic or crawl space into the ambient atmosphere.
- According to a further embodiment of the present invention, there is provided a method for installing a ridge ventilation system for ventilating an attic substantially enclosed by a roof, sidewalls and a ceiling, the method comprising constructing a ridge slot longitudinally disposed in a ridge of the roof and disposing a fan in the ridge slot to actively exhaust air from the attic into the ambient atmosphere.
- The features and advantages of the present invention will become apparent to one skilled in the art, in view of the following detailed description taken in combination with the attached drawings, in which:
-
FIG. 1 illustrates a partial view of an upper part of a structure that incorporates the powered ridge ventilation system according to the present invention; -
FIG. 2 illustrates a cross-sectional perspective view of the upper part of the structure inFIG. 1 , which incorporates the powered ridge ventilation system according to the present invention; and -
FIG. 3 illustrates a side perspective view of the upper part of the structure inFIGS. 1 and 2 , which incorporates the powered ridge ventilation system according to the present invention. -
FIG. 1 is an exemplary illustration depicting apartial view 100 of an upper part of a structure that incorporates the powered ridge ventilation system according to the present invention. As depicted in thepartial view 100, the upper part of the structure includesconventional roof 104 andceiling 116 that substantially enclose a space typically referred to as theattic 114.Conventional sidewalls 102 may further bound the attic. The poweredridge ventilation system 120 comprises aridge slot 112, afan 122, and aroof ridge vent 106 for exhausting or ventilating air from theattic 114 or crawl space through theridge slot 112,fan 122 and roof ridge vent 105 into the ambient atmosphere. - The
ridge slot 112 is an opening in theridge 118 of theroof 104. More specifically, theridge slot 112 is constructed at the ridge of theroof 104. Thefan 122 is disposed within theridge slot 112 and theroof ridge vent 106 covers theridge slot 112 and overlaps theroof 104 to prevent precipitation (e.g., rain, snow), insects and debris from entering theattic 114. Theroof ridge vent 106 is conventionally secured to theroof 104. - For best operation, it is preferable that the
fan 122 is vertically disposed in theridge slot 112 to be within a close, predetermined distance to theroof ridge vent 106. Thefan 122 is preferably disposed from about one to about twelve inches below theroof ridge vent 106 in theridge slot 112. - The
roof ridge vent 106 comprises a plurality ofvent slots 108 on both sides of theroof ridge vent 106 to exhaust or ventilate air from theattic 114 into the ambient atmosphere and a plurality ofexternal baffles 110 to control the flow of precipitation that is incident on theroof ridge vent 106. Although theroof ridge vent 106 is depicted with external baffles, it is to be noted that theroof ridge vent 106 may instead comprise a plurality of internal baffles (not shown). However, any other known apparatus, device or vent that allows the exhaust of air from theattic 114 into the ambient atmosphere, while preventing precipitation and other unwanted elements from entering theridge slot 112 from the ambient atmosphere is applicable herein and is considered within the scope of the present invention. The poweredridge ventilation system 120 will be described in greater detail with reference toFIGS. 2 and 3 below. -
FIG. 2 is an exemplary illustration depicting across-sectional perspective view 200 of the upper part of the structure inFIG. 1 , which incorporates the powered ridge ventilation system according to the present invention. As depicted in thecross-sectional view 200, thefan 122 is preferably a centrifugal fan disposed in theridge slot 112 longitudinally along theridge 118 of theroof 104. Aninlet fan guard 204 prevents human injury during operation of thefan 122 and further prevents debris and insulation in theattic 114 from entering thefan 122. Theinlet fan guard 204 is preferably a wire mesh guard. Alternatively, thefan guard 204 is a fiberglass filter. Furthermore, thefan guard 204 may be any other known filter. It is noted that thefan guard 204 is not limited and may be anything that can prevent human injury during operation of thefan 112 and further protect thefan 112 from debris and insulation in theattic 114. - Further with reference to
FIG. 2 , thefan 112 comprises a plurality ofblades 202 that create a radial flow ofair 210 through thefan 122 when powered via any conventionalelectrical power source 206. It is noted theelectrical power source 206 may instead be a solar power source (not shown). More specifically, in operation thefan 122 intakes air from theattic 114 and exhausts that air viaflow 212 into the ambient atmosphere. That is, thefan 122 creates a pressure differential between theattic 114 and the ambient atmosphere, thereby actively exhausting the trapped air from theattic 114 through theroof ridge vent 106 into the ambient atmosphere. The combination of the centrifugal fan and theroof ridge vent 106 optimally ventilates theattic 114. Although for clarity and brevity the poweredridge ventilation system 120 depicts onefan 122 and oneroof ridge vent 106, it is within the scope of the present invention that there may be a plurality of centrifugal fans (not shown) and corresponding roof ridge vents disposed longitudinally along theridge 118 of theroof 104. - Alternatively to the preferred
centrifugal fan 122 of the poweredridge ventilation system 120, an axial fan (not shown) may be disposed in theridge slot 112 perpendicularly to theridge 118 of theroof 104, to provide flow of air from theattic 114 through theroof ridge vent 106 into the ambient atmosphere. In addition, a plurality of axial fans androof ridge vents 106 may be disposed along theridge 118 of theroof 104. Furthermore, other known types of fans and combinations thereof may easily be incorporated into the poweredridge ventilation system 120 and are considered to be within the scope of the present invention. - The power
ridge ventilation system 120 can also be installed for ridge board applications and truss style attic designs. -
FIG. 3 is an exemplary illustration depicting a side perspective view 300 of the upper part of the structure inFIGS. 1 and 2 , which incorporates the powered ridge ventilation system according to the present invention. As depicted in theside perspective view 300, thefan 122 of the powerridge ventilation system 102 is housed in afan housing 302 and is protected by theinlet fan guard 204. The powered ridge ventilation system may further preferably comprise atemperature sensor 304 that is enabled to detect when the temperature in theattic 114 exceeds a first predetermined temperature and signal thefan 122 to switch on and begin operating. In addition, thesensor 304 is further enabled to detect when the temperature in theattic 114 is equal to or falls below a second predetermined temperature and signal thefan 122 to switch off and stop operating. Other known sensing techniques may easily be incorporated into the poweredridge ventilation system 120 and are considered to be within the scope of the present invention. That is, alternatively to thetemperature sensor 304, a pressure sensor or a moisture sensor may be installed in theattic 114 and provide signals to thefan 122. Yet further, a light sensor may be installed at a location where daylight is incident on the sensor. Furthermore, an automatic switch such as a timer switch, a manual toggle switch, or an automatic/manual combination switch may be provided for signaling thefan 122 to start and to stop. - In operation of the
roof ventilation system 120 in accordance with the preferred implementation ofFIG. 3 , when solar heat becomes incident on theroof 104 and heats the air in theattic 114, thetemperature sensor 304 detects when the temperature is equal to or exceeds a first predetermined temperature and signals thefan 122 to begin operating. The operation of the fan creates a pressure differential between the attic 114 and the ambient atmosphere. This pressure differential causesair currents 306 to flow from theattic 114 into the roofridge ventilation system 120. More specifically,air currents 306 enter through theinlet fan guard 204 and thefan housing 302 and radially flow through thefan 122. Theair currents 306 are actively exhausted viaflows 210 from thefan 122 throughvent slots 108 on both sides of theroof ridge vent 106 intoflows 212 in the ambient atmosphere. Once thetemperature sensor 304 detects that the temperature is equal to or below the second predetermined temperature, it signals thefan 122 to stop operating. The cycles of operation of theroof ventilation system 120 are preferably controlled in accordance with thetemperature sensor 304. - While the invention has been particularly shown and described with regard to a preferred embodiment thereof it will be understood by those skilled in the art that the foregoing and other changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/371,963 US20070213003A1 (en) | 2006-03-09 | 2006-03-09 | Powered ridge ventilation system and method |
PCT/US2007/005601 WO2007103316A2 (en) | 2006-03-09 | 2007-03-06 | Powered ridge ventilation system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/371,963 US20070213003A1 (en) | 2006-03-09 | 2006-03-09 | Powered ridge ventilation system and method |
Publications (1)
Publication Number | Publication Date |
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US20070213003A1 true US20070213003A1 (en) | 2007-09-13 |
Family
ID=38475470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/371,963 Abandoned US20070213003A1 (en) | 2006-03-09 | 2006-03-09 | Powered ridge ventilation system and method |
Country Status (2)
Country | Link |
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US (1) | US20070213003A1 (en) |
WO (1) | WO2007103316A2 (en) |
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USD628718S1 (en) | 2008-10-31 | 2010-12-07 | Owens Corning Intellectual Capital, Llc | Shingle ridge vent |
US20110124280A1 (en) * | 2009-11-20 | 2011-05-26 | Sudhir Railkar | Ridge Vent with Powered Forced Air Ventilation |
US20120055104A1 (en) * | 2010-09-07 | 2012-03-08 | Michael Dean Brown | Solar attic pressurizer |
US20130122798A1 (en) * | 2010-08-03 | 2013-05-16 | Sms Concast Italia S.P.A. | Building provided with a hood for drawing fumes produced in metallurgical environment |
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US9157239B2 (en) | 2011-09-22 | 2015-10-13 | Digital Control Systems, Inc. | Roof ridge ventilation system |
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