US20220268014A1 - Affordable energy efficient and disaster proof residential structures - Google Patents
Affordable energy efficient and disaster proof residential structures Download PDFInfo
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- US20220268014A1 US20220268014A1 US17/662,426 US202217662426A US2022268014A1 US 20220268014 A1 US20220268014 A1 US 20220268014A1 US 202217662426 A US202217662426 A US 202217662426A US 2022268014 A1 US2022268014 A1 US 2022268014A1
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Classifications
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- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3205—Structures with a longitudinal horizontal axis, e.g. cylindrical or prismatic structures
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- E—FIXED CONSTRUCTIONS
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- E—FIXED CONSTRUCTIONS
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- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/06—Structures arranged in or forming part of buildings
- E04H9/08—Structures arranged underneath buildings, e.g. air-raid shelters
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/14—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods
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- E—FIXED CONSTRUCTIONS
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
- E04B1/166—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with curved surfaces, at least partially cast in situ in order to make a continuous concrete shell structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Definitions
- the disclosed technology regards affordable, energy efficient, durable building structures and components thereof, including a plurality of modules, each module having a vacuous chamber substantially void of structural elements, materials and gaseous molecules.
- the disclosed technology further includes an apparatus for creating and maintaining a vacuum within the vacuous chamber of a structural module.
- Planet Earth is experiencing dramatic environmental changes that are negatively affecting civilization.
- the polar ice caps are melting, causing the oceans to rise and increase in temperature. These changes are causing a dramatic increase in flooding, droughts, hurricanes, tornadoes, wildfires, etc.
- Much of the scientific community attributes this “Global Warming” to a dramatic increase in carbon dioxide in our atmosphere caused by the excessive burning of fossil fuels. A small percentage believe that this is just a natural cycle that will complete itself in due time.
- Thermal energy is transferred by three primary means: conduction, convection and radiation.
- Conduction is the transfer of thermal energy through an object by a series of collisions between adjacent atoms, molecules, or other forms of mass. For example, if the end of a steel rod is placed on a hot plate, the heat will be transferred through the rod until the temperature of the opposite end of the rod becomes the same as the first end on the hot plate. Specifically, the energy from the hot plate causes the molecules in the first end of the steel rod to move faster, which molecules transfer some of their extra kinetic energy to neighboring molecules and these, in turn, affect their neighbors. Therefore, the temperature of the entire steel rod increases. How rapidly an object transfers thermal energy by conductivity depends, in part, on the object's material.
- Convection is the transfer of thermal energy due to the motion of the substance (gas or liquid) that contains the thermal energy. Natural convection results from the tendency of most fluids to expand when heated—i.e., to become less dense and to rise as a result of the increased buoyancy. Circulation caused by this effect accounts for the uniform heating of water in a kettle or air in a heated room: the heated molecules expand the space they move in through increased speed against one another, rise, and then cool and come closer together again, with increase in density and a resultant sinking.
- thermal energy can be transferred from one location to another, even without a medium (e.g., air or water).
- the thermal energy can pass through a perfect vacuum, as energy from the sun does in reaching Earth. If a person stands near an open fire, the side of her facing the fire becomes much warmer than the other side. Most of the energy is transferred from the burning material to the person by means of electromagnetic radiation (a portion of heat energy is also transferred by means of thermal conduction and convection).
- heat energy to be transferred between two points For heat energy to be transferred between two points, a temperature differential between those two points must exist. Unless forced otherwise, heat flows from regions of higher temperature to regions of lower temperature. To transfer thermal energy as heat from a cooler to a warmer region, work is required. It is important to note that heat energy moved by radiation can be mitigated by using materials to absorb or reflect the energy. For example, different colors, materials and structures can be used to affect the absorption or reflection of radiant energy.
- insulating material's resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value—the higher the R-value, the greater the insulating effectiveness.
- the R-value depends on the type of material used in the insulation, its thickness, and its density and porosity.
- the R-value of some insulations also depends on temperature, aging, and moisture accumulation.
- Current materials offered for purposes of insulating a structure include insulation having vacuum cavities or ‘dead’ air space, such as impregnated foams, which achieve a high R-value as compared to standard insulation materials. However, these products will eventually lose their vacuum (and thereby their effectiveness), and tend to be too expensive to use as building materials for residential structures, finding more suitable applications in doors and refrigeration units.
- the energy efficiency of the disclosed technology maximizes the afore-described principle that heat cannot be transferred by conduction or convection through a vacuum, overcomes the challenges in creating and maintaining such a vacuum, and further mitigates heat transfer by radiation.
- Structures manufactured using the disclosed technology and the methods herein described are both economical and resist the forces of natural disasters such as hurricanes, tornados and wildfires.
- the present invention includes one or more modules, each module having a vacuous chamber substantially void of structural elements, materials and gaseous molecules which would otherwise transfer heat energy.
- This vacuous chamber is provided in the ceiling and at least a portion of the walls of a structure, thereby mitigating heat loss through conduction and convection.
- Creating and maintaining a vacuum on a small scale is fairly simple, as demonstrated in thermos bottles, and various commercially available insulation panels commonly used in freezers and residential entrance doors. Creating and maintaining a vacuum on a larger scale presents a significant challenge.
- the net volume of a vacuum chamber needed to effect proper insulation of an 1,800 ft 2 residential structure is estimated at or greater than 2,400 ft 3 .
- Commercially available vacuum pumps suitable to create and maintain the vacuum in the large vacuous chambers of the modules of the disclosed technology are expensive, and require significant energy to operate. Therefore, the disclosed technology further provides a novel apparatus for economically creating and maintaining a vacuum within the vacuous chambers of the structural module, requiring minimum energy to operate.
- the module chamber is free from structural elements, but no vacuum is created in the chamber. Preliminary testing reveals that such modules provide a standard insulation R value of about 34.
- the disclosed technology provides a module useful in constructing an energy efficient, durable building structure.
- the module includes an exterior wall, an interior wall and side walls, joined to form a vacuous, sealed chamber substantially void of structural elements, materials and gaseous molecules.
- One or more ribs are affixed to or formed integral with an exterior surface of the exterior wall of the module, extending the width of the module.
- a vacuum apparatus may be incorporated in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module.
- the module may be arc-shaped to increase the strength of the module and reinforce the exterior wall and the interior wall against the stresses created by an internal vacuum.
- the module may be formed from a pair of module segments, each module segment being semi-arc shaped, and having an independent vacuous, sealed chamber.
- the disclosed technology further provides an inexpensive, replaceable vacuum apparatus for creating and maintaining a vacuum within a vacuous, sealed chamber of a module useful in constructing an energy efficient, durable building structure, wherein the module includes an exterior wall, an interior wall and side walls, joined to form the vacuous, sealed chamber.
- the vacuum apparatus may include a pair of tubes in communication with the vacuous, sealed chamber.
- each tube is in liquid communication with the other tube at one end, and with the vacuous, sealed chamber at the other end.
- As liquid is pumped into one tube air is released to the environment from that tube, and air is drawn from the vacuous, sealed chamber in the other tube; as the flow of liquid among the tubes is reversed, the flow of air is reversed as well.
- Systems using this disclosed technology are intended to achieve an atmospheric pressure within the vacuous, sealed chamber, of between 8-25 inHg, or 10-15 inHg.
- the disclosed technology further provides a method of controlling heat transfer within a structure, by providing at least one module as the ceiling and at least a portion of the walls of the structure, the module having an exterior wall, an interior wall and side walls, joined to form a vacuous, sealed chamber substantially void of structural elements
- One or more ribs are affixed to or formed integral with an exterior surface of the exterior wall.
- Each module is coupled with a vacuum apparatus in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module.
- the method further includes operating the vacuum apparatus to draw air out of the vacuous, sealed chamber, until the chamber has an atmospheric pressure of between 8-25 inHg, or 10-15 inHg.
- the method further includes monitoring the atmospheric pressure within the vacuous, sealed chamber, and further operating the vacuum apparatus when the atmospheric pressure is above a pre-defined level.
- FIG. 1A is a peripheral view of an embodiment of the modules of the disclosed technology
- FIG. 1B is a peripheral view of another embodiment of the modules of the disclosed technology, with a side wall removed;
- FIG. 1C is a side of an embodiment of internal bracing within a module of the disclosed technology
- FIG. 2 is a peripheral view of an embodiment of module segments of the disclosed technology, conjoined to form a module;
- FIG. 3 is a peripheral view of an embodiment of conjoined modules of the disclosed technology
- FIG. 4 is a peripheral view of an embodiment of a structure, having a module and an end wall of the disclosed technology
- FIG. 5A is a schematic view of an embodiment of a vacuum apparatus of the disclosed technology
- FIG. 5B is a peripheral view of the vacuum apparatus of FIG. 5A installed on an embodiment of the module of the disclosed technology
- FIG. 6A is a peripheral view of an embodiment of a module of the disclosed technology, having a window
- FIG. 6B is a peripheral view of an embodiment of a module of the disclosed technology, having a door and a foyer area;
- FIG. 7A is a peripheral view of an embodiment of a replaceable roofing system useful with the modules of the disclosed technology
- FIG. 7B is a closer view of portions of the roofing system of FIG. 7A ;
- FIG. 7C is a view of an embodiment of an embodiment of a machined bracket of the roofing system of the disclosed technology
- FIG. 7D is a side view of the ends of an embodiment of the roofing slats of the roofing system of the disclosed technology
- FIG. 7E is an exploded view of the installment of a roofing slat on a bar of a roofing system of the disclosed technology
- FIG. 8A is aside view of an embodiment of the module of the disclosed technology installed with raised flooring
- FIG. 8B is a side view of an embodiment of the module of the disclosed technology installed on a flat surface
- FIG. 8C is a peripheral view of an embodiment of floor support walls of the disclosed technology.
- FIG. 8D is another view of the embodiment of floor support walls shown in FIG. 8C ;
- FIG. 9A is a side view of an embodiment of a module of the disclosed technology secured to the ground by means of earth spikes;
- FIG. 9B is a side view of an embodiment of a module of the disclosed technology supported by end support walls and having a trussed flooring, secured to the ground by means of earth spikes;
- FIG. 9C is a side view of an embodiment of earth spikes suitable for use in securing the modules of the disclosed technology to the ground;
- FIG. 10A is a side view of an embodiment of a module of the disclosed technology supported by floor support walls and having a trussed flooring, installed in trenches;
- FIG. 10B is a partial view of the floor support walls of FIG. 10A as installed in the trenches.
- FIG. 11 is a peripheral view of an embodiment of modular flooring assembly of the disclosed technology.
- Embodiments of the disclosed technology provide affordable, energy efficient, durable building structures 200 and components thereof, and further methods of construction of structures including the building structures of the disclosed technology or components thereof.
- the structures of the disclosed technology include one or more modules 1 , an embodiment of which is shown in FIGS. 1A, 1B, 2-4, 5B, 6A, 6B, 8A, 8B, 9A, 9B, and 10A .
- Each module has at least one vacuous, sealed chamber 10 substantially void of structural elements, materials and gaseous molecules.
- the modules may be arc-shaped to increase the strength of the structure and reinforce the walls against the stresses created by the internal vacuum. When conjoined as hereinafter described, the modules form the building structure 200 .
- the chamber 10 is herein described as a vacuous, sealed chamber, by which vacuum the chamber achieves a very high R value; however, in some embodiments the chamber are void of structural elements, but are not supplied with a vacuum, which preliminary testing shows can achieve a standard insulation R value. In larger chambers, structural elements may be provided to support the integrity thereof, as herein described.
- the disclosed technology is not intended to limit the embodiments of the chamber to one in which a vacuum has been applied or which is substantially void of structural elements, but rather is intended to also cover embodiments with chambers to which a vacuum has not been applied, or includes structural elements.
- Embodiments of the modules of the disclosed technology may have a length of between 8-14 ft., and a width of at least 12 ft., or between about 24-40 ft.
- the modules may be semi-arc-shaped forming module segments 1 A, so that when the segments are conjoined by bolting or other means as hereinafter described, they form the module 1 , having two chambers 10 .
- a plurality of modules 1 or module segments may be conjoined by bolting or other means, to form structures of varying lengths.
- the design of these modules and module segments provide a method of construction which enables the construction of a large size structure, while keeping the transportation of the structure (by its components, to a provided site for assembly) practical.
- Each module has an exterior wall 11 and an interior wall 12 .
- the exterior and interior walls are defined by an outer surface and an inner surface, wherein the inner surfaces of the walls form the chamber 10 .
- the exterior wall and the interior wall are formed in corresponding arc shapes, wherein the degree of curvature of each of the interior wall 11 and the exterior wall 12 are the same.
- One or more of the sides of the module or module segments are sealed with a correspondingly shaped side wall 14 traversing the width of the module as shown in FIG. 1A , which with the exterior and interior walls form the chamber 10 .
- each of the ends of the exterior wall and the interior wall of the module or the module segment may be affixed to a rectangular base 13 , extending the length of each side of the module, thereby providing uniform depth along the width of the chamber.
- the depth of the chamber (the space between the exterior wall and the interior wall) plays a critical role in the net thermal resistance or R value of the module.
- the depth of the chamber may be consistent along the width thereof, between, for example, 6′′-24′′, or 12′′-18′′, although for larger sized modules the depth of the vacuous chamber may be greater.
- the depth of a module is 12′′, and the vacuum in the chamber (established as hereinafter described) has an atmospheric pressure of between 8-25 inHg, or 10-15 inHg; theoretically it is believed that in such an embodiment an R value of up to 300 can be achieved. Increasing the depth of the module chamber and/or the pressure therewithin increases the R value of the chamber.
- bracing elements such as ribs 15
- the ribs 15 may be formed integral with, and extend from the side walls 14 .
- internal reinforcement ribs 15 C may be provided within the vacuum chamber, as shown in FIG. 1B .
- the design of these internal reinforcement ribs may have cutouts 15 D, as shown, to minimize heat transfer.
- Each of the ribs 15 may extend the width of the arced exterior surface of the exterior wall. As shown for example in FIGS. 2, 3, 4 , four ribs may be equidistantly position along the length of a module segment or module; more ribs may be necessary for larger modules. These ribs may have an architectural design, or may as shown in FIGS. 2, 3 and 4 , may have a plurality of slots or cutouts 15 A, which mitigate the transfer of heat by means of conduction, and/or facilitate attaching a roof (as shown in FIGS. 7A-7E , and hereinafter described), and further as hereinafter described may provide a means to bolt together modules to increase the length of the structure.
- the outer surface of the exterior walls of the modules or module segments and the ribs may be coated with reflective materials to reflect solar rays and mitigate radiant heat transfer.
- Structures constructed from modules or module segments as hereinabove described may include a plurality of modules, affixed one-to-another along their sides, as shown in FIG. 3 , thereby providing flexibility in structural size.
- a low thermal conductive gasket material 21 may be placed between conjoined modules, to prevent air seepage and reduce the thermal conductive properties of the sides of the modules.
- structures 200 of the disclosed technology may also include one or more end walls 40 affixed to a side of an end module 1 (or module formed from module segments).
- the end walls may have a uniform thickness, with a chamber between an exterior wall and an interior wall.
- the end walls are reinforced by external bracing.
- standard insulation may be positioned within the interior and exterior walls of the end walls, allowing bracing between the interior and exterior walls to reinforce the structure.
- foam insulation or low thermal conductive gasket material may be installed between the adjacent surfaces of the end walls and the corresponding module, to minimize thermal conduction between the components.
- the modules can further accommodate windows 201 , doors 202 , and a foyer 202 A, each of which may be fabricated between the external reinforcement ribs 15 , and extending through the chamber 10 , while maintaining the integrity of the sealed chamber.
- any or all of the modules, bracing elements, and side walls of the disclosed technology, and/or components thereof are constructed from rolled or step-broke steel, including carbon steel, which while a high thermal conductor is strong, fireproof, non-permeable, easy to fabricate, relativity inexpensive and able to maintain the vacuum within the vacuous chamber over a long period of time.
- Other durable materials may also be suitable for use in these elements of the disclosed technology.
- Robotic straight seam welding can be used to increase quality and dramatically reduce the cost of construction of modules or module segments, walls and bracing elements of the disclosed technology.
- An exemplary structure includes a plurality of modules 1 , each module having a width of less than 40 feet and a length of 8 to 14 feet, with an internal height of 8 feet; this height can be extended either by increasing the internal height of the module, or by walls installed below the module, as hereinafter described.
- modules and other structural components of the disclosed technology may be fabricated at a remote fabrication facility and then transported to the construction site. Manufacturers of pre-fabricated structural components of the disclosed technology may want to be mindful of state regulations regarding load width/height/length.
- the structures may be assembled by conjoining modules (or module segments) along their sides as shown in FIG. 3 , by bolting their external ribs together, thereby retaining the structural integrity and functionality of the chambers 10 .
- module segments the same may be conjoined to form modules by bolting an endplate from a first module segment to the corresponding endplate of the second module segment, to form a module as shown in FIG. 2 .
- each module having dimensions of 35 1 ⁇ 3 ft. ⁇ 17 ft., to in the aggregate make a structure of 1,800 ft 2 .
- 1,800 ft 2 structure it is estimated that over 2,400 ft 3 of vacuous space will be required to achieve desired insulation, although the climate of the intended use may be considered in determining the vacuous space required to achieve the requisite R value based upon the requirements of the local climate.
- the cubic foot volume of a vacuous chamber having a 12-inch depth would likely provide over 2,400 ft 3 over all modules.
- Structures constructed from the disclosed technology may also include a floor 203 .
- the floor may include a plurality of trusses 203 A, secured to floor support walls 204 to which the trusses are bolted or otherwise secured.
- the floor support walls may have angle iron 203 C welded or otherwise secured therein to support and secure alignment of the trusses.
- Plywood or other suitable flooring material 203 D may then be affixed to the tops of the trusses, as shown in FIG. 11 .
- the trusses may be made from any suitable materials, including for example wood or steel.
- An insulating gasket may be positioned between the floor or the floor support walls, the base of the modules and/or any the end walls 40 .
- the floor support walls 204 may be made at any reasonable height above or below ground. In some embodiments, as shown in FIG. 8D these walls 204 have a base 204 A wider than the width of the wall 204 . Cavities within the floor support walls may include standard insulation, or may be insulated by a vacuum within a vacuous cavity, using the herein-described technology. In an embodiment, as shown in FIGS. 10A and 10B , the base 204 A sets upon and is bolted to a foundation 300 . In some embodiments, such as the embodiment of FIGS. 8A, 9B, and 10A , the use of floor support walls to raise the floor of the structure yields a higher interior ceiling within the structure, and provides a crawl-space below the floor suitable for utilities, equipment and storage.
- the floor support walls may be installed in trenches.
- the depth of the trenches may be determined based upon the soil quality at the site; a trench of at least 3 feet is recommended.
- Reinforcing rods 302 may be driven into the base of each trench, and concrete is poured into the trenches. All thread rods 303 may be positioned and cast into the concrete, sized and configured to align with corresponding apertures of the base 204 A.
- the trenches may be backfilled using tamped soil, concrete or other suitable materials.
- a large earth spike 310 may be coupled with the modules or base of the floor support walls to secure the structure to the ground.
- the structure of the disclosed technology may be constructed in remote locations (inaccessible to drench digging equipment, for example), and/or easily moved from one site to another.
- the spike may be made from galvanized steel, for example, or other suitable material.
- a hole is augured into the ground, and the spike may then be hydraulically pushed into the ground. As shown in FIG.
- the spike 310 has a top plate 311 , the position of which may be adjusted (by adjusting the position of one or more corners of the top plate 311 relative to the bottom plate 312 ), to ensure the structure is supported horizontal with the horizon.
- corners of the module(s) or module segments are then secured to the top plate 311 of the spike, by welding or otherwise.
- floor and base embodiments may be partially or wholly pre-fabricated, an example of which is shown in FIG. 11 .
- a pre-fabricated base inclusive of any of the floor 203 , floor support walls 204 , trusses 203 A, and/or flooring material 203 D may be supplied with each module (or set of module segments), conjoined with the module at the construction site.
- accommodations are made on the bottom side of the floor and base to support utility wiring and other piping or structure, thereby further decreasing the cost and time of assembly at the construction site.
- the floor 203 may be a concrete pad 50 upon which the assembled structure is positioned; as hereinabove described, floor support walls may provide additional height to the structure, with or without raised flooring.
- the modules may be affixed to a foundation which is anchored to the earth, such as a plurality of prefabricated wide and hollow steel walls of any height.
- the foundation may be a foot wider than the dimensions of the modules or the structure including a plurality of modules.
- the cavities of the walls forming the foundation can be filled with soil or other types of heavy insulation.
- Concrete walls may be bolted to the foundation anchored to the earth to provide a platform to which the structure of the disclosed technology may anchor.
- the foundation may provide a vacuous space sufficient to accommodate a basement.
- embodiments of the disclosed technology may further include a vacuum apparatus 100 for creating and maintaining a vacuum within a module 1 or a module segment 1 A.
- the apparatus may be positioned between two of the external ribs of each module (see, e.g., FIG. 5B ).
- the modules may be connected with plumbing, connecting one or more vacuum chambers so a single vacuum pump could be used to create and maintain the vacuum levels in some or all of the modules of a structure.
- This plumbing may be designed so that each module may still remain separate from the others, which would permit control of the R values of each module independently of the others.
- an inexpensive, replaceable, vacuum apparatus 100 includes two tubes 101 , 102 .
- the tubes may have an inner diameter of 6-12′′, wherein the diameter of the tubes control the rate at which the vacuum is created. Further, the tubes may be 5-8 ft. long, and in some embodiments (not shown) may have a curvature corresponding with the curvature of the exterior walls of the corresponding module.
- the tubes may be made from schedule 80 polyvinyl chloride (PVC) or steel, or other suitable materials.
- each tube of the vacuum apparatus has a top inlet 101 A, 102 A, each in sealed communication with the chamber 10 , and a top outlet 102 A, 102 B, which emits air to the environment.
- Each of the inlet/outlet pairs are controlled by a shutoff valve 101 C, 102 C, which valve directs whether air is drawn by the respective tube from the vacuum chamber or emitted to the environment.
- the valves may be electrically operated, and are normally closed until energized.
- the tubes are mounted in a vertical or angular position to the module, such as for example the exterior surface, between two ribs.
- each tube has a base outlet 101 D, 102 D, and a base inlet, 101 E, 102 E, each pair of which are also controlled by a shutoff valve 101 F, 102 F, the valves being normally closed until energized.
- a first outlet of each tube 101 D, 102 D is connected to the corresponding inlet 102 E, 101 E of the other tube, in each case through a liquid transfer pump 110 .
- One way check valves may be positioned throughout the system to prevent any vacuum from escaping from the vacuum chamber, or liquid to pass in an unintended direction.
- the shutoff valves control the flow of liquid within the system, and permit air to escape from the tubes being filled and draw the vacuum from the chamber at the end of each stroke.
- the liquid transfer pump 110 of the vacuum apparatus may be a single phase 120 v system, having a flow rate of at least 4,000 gallons per hour (gph), requiring less than 8 amps of power. With this low energy requirement, the pump can be powered by wind or solar power.
- the first tube 101 is filled with the intended liquid (e.g., brake fluid, or other or other high-boiling point liquid), and the second tube 102 is partially filled with the same liquid.
- the inlet valve 101 A of the first tube is set to draw air from the vacuum chamber, and the outlet valve of the second tube is set to deliver air to the environment.
- the liquid is drawn from the first tube through the base outlet 101 D by means of the liquid transfer pump, and delivered to the second tube at its base inlet 102 E, which creates a vacuum at the top of the first tube, and by this configuration pulls gasses (air) from the vacuum chamber 10 of the module into the first tube, and expels air into the environment from the second tube.
- the electrically operated valves reverse, so that the inlet of the second tube is set to draw air from the vacuum chamber, and the inlet of the first tube is set to deliver air to the environment.
- the liquid is drawn from the base outlet 102 D of the second tube by means of the liquid transfer pump, and delivered to the first tube at its inlet 102 E, which creates a vacuum at the top of the second tube, and by this configuration pulls gasses (air) from the vacuum chamber 10 of the module into the second tube, and expels air into the environment from the first tube, until the first tube is full of liquid.
- the cycle is automatically repeated until the proper vacuum has been achieved within the vacuum chamber of the module.
- shutoff valves 101 C, 102 C, 101 F and 102 F are all de-energized, preventing any vacuum from escaping the module.
- the vacuum apparatus may include an electrical controller or logic computer program to control the cycles and overall operation of the vacuum apparatus
- the vacuum apparatus may also include a pressure sensor within the module which can communicate a pressure level within the module to the electrical controller to stop operation of the system and de-energize the shutoff valves when the pressure within the vacuum chamber is above a predetermined vacuum level; and to start operation of the system and energize the shutoff valves when the vacuum falls below a predetermined value.
- the controller can detect any air leaks within a module by a rapid change in pressure therewithin.
- the vacuum apparatus may be a hydraulic plunger system coupled with a hydraulic pump or cable winch.
- a low pressure high volume impeller fan e.g., fans used in cyclone dust collection systems
- a vacuum apparatus as hereinabove described may be positioned on the vacuum chamber to complete the evacuation process, and maintain the vacuum within the chamber.
- Commercially available vacuum pumps although expensive, can be used with one or more modules of the disclosed technology.
- a series of roofing slats may be positioned among the ribs of the module.
- a series of flat bars 400 to support the roofing slats may be welded to the top of the ribs 15 .
- Each flat bar supports a plurality of roofing slats 401 , which collectively form the roof.
- the slats may comprise a material resistant to radiant heat from the sun.
- slats can be attached to the flat bars 400 using bolts, although over time bolts can become corroded and become difficult to remove. Further, it may be difficult to align the bolts with the holes in the flat bar after the slats 401 are removed to conduct a repair. To mitigate this problem, machined brackets 402 may be bolted to the roof forming slats 401 , distanced so that they may receive (in the machined part thereof) and hang on the flat bars 400 , removably supporting the roof slats.
- a removable stop bar 303 may be positioned between the ribs, to contain upward movement of the roofing slats; once this stop bar is removed, the slat bars may likewise be removed to expose a hole or area needing repair, and then repositioned on the flat bars.
- any point on the outer surface of the module (where, for example, a leek has developed) can be accessed by removing the proximate one or more slats, without removing a large section of the roof. Further, by this design individual roofing slats which have deteriorated over time can be easily removed and replaced.
- the material/structure tested was positioned between a hot room and a test room.
- the hot room was heated to a temperature of 84° F., and the test room was cooled to a temperature of 60° F.
- the amount of time it took for the rooms to achieve the same temperature was measured, which revealed the following:
- Material/structure Time R Value 6′′ polystyrene insulation 6 hrs. 30 Module, no vacuum applied 7 hrs. 34 Module, 5 inHg vacuum applied 9.5 hrs. 46 Module, 10 inHg vacuum applied 14 hrs. 71 Module, 15 inHg vacuum applied 15.5 hrs. 78 Module, 20 inHg vacuum applied 20 hrs. 100
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Abstract
The disclosed technology provides a module useful in constructing an energy efficient, durable building structure, the module including walls to form a vacuous, sealed chamber substantially void of structural elements, materials and gaseous molecules. One or more ribs are affixed to or formed integral with an exterior surface of the exterior wall of the module, extending the width of the module. The disclosed technology further provides a vacuum apparatus which may be incorporated in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module. A method of controlling heat transfer within a structure is also provided, utilizing the modules as herein disclosed, each module being coupled with a vacuum apparatus in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module.
Description
- The disclosed technology regards affordable, energy efficient, durable building structures and components thereof, including a plurality of modules, each module having a vacuous chamber substantially void of structural elements, materials and gaseous molecules. The disclosed technology further includes an apparatus for creating and maintaining a vacuum within the vacuous chamber of a structural module.
- Planet Earth is experiencing dramatic environmental changes that are negatively affecting humanity. The polar ice caps are melting, causing the oceans to rise and increase in temperature. These changes are causing a dramatic increase in flooding, droughts, hurricanes, tornadoes, wildfires, etc. Much of the scientific community attributes this “Global Warming” to a dramatic increase in carbon dioxide in our atmosphere caused by the excessive burning of fossil fuels. A small percentage believe that this is just a natural cycle that will complete itself in due time.
- In addition, as the world's population increases so does the world's need for residential structures. This increase raises the demand for energy consumption used in heating and cooling the same. This demand is compounded by natural disasters, such as hurricanes, tornados, and wildfires, which are destroying residential structures at an alarming rate. Energy used to deal with heating and cooling of residential and commercial structures, and for the construction of new structures and replacement of destroyed structures, represents a significant portion of the strain placed upon the environment and our economy.
- Ultimately, if we are to survive as a human race we must come up with a plan of action that can practically deal with these problems. A step in the right direction is the continued search for more energy efficient and storm proof residential and commercial structures.
- An understanding of heat transfer is foundational in the development of energy efficient and storm proof residential and commercial structures. Thermal energy is transferred by three primary means: conduction, convection and radiation.
- Conduction is the transfer of thermal energy through an object by a series of collisions between adjacent atoms, molecules, or other forms of mass. For example, if the end of a steel rod is placed on a hot plate, the heat will be transferred through the rod until the temperature of the opposite end of the rod becomes the same as the first end on the hot plate. Specifically, the energy from the hot plate causes the molecules in the first end of the steel rod to move faster, which molecules transfer some of their extra kinetic energy to neighboring molecules and these, in turn, affect their neighbors. Therefore, the temperature of the entire steel rod increases. How rapidly an object transfers thermal energy by conductivity depends, in part, on the object's material.
- Convection is the transfer of thermal energy due to the motion of the substance (gas or liquid) that contains the thermal energy. Natural convection results from the tendency of most fluids to expand when heated—i.e., to become less dense and to rise as a result of the increased buoyancy. Circulation caused by this effect accounts for the uniform heating of water in a kettle or air in a heated room: the heated molecules expand the space they move in through increased speed against one another, rise, and then cool and come closer together again, with increase in density and a resultant sinking.
- In radiation (also known as electromagnetic radiation), thermal energy can be transferred from one location to another, even without a medium (e.g., air or water). The thermal energy can pass through a perfect vacuum, as energy from the sun does in reaching Earth. If a person stands near an open fire, the side of her facing the fire becomes much warmer than the other side. Most of the energy is transferred from the burning material to the person by means of electromagnetic radiation (a portion of heat energy is also transferred by means of thermal conduction and convection).
- For heat energy to be transferred between two points, a temperature differential between those two points must exist. Unless forced otherwise, heat flows from regions of higher temperature to regions of lower temperature. To transfer thermal energy as heat from a cooler to a warmer region, work is required. It is important to note that heat energy moved by radiation can be mitigated by using materials to absorb or reflect the energy. For example, different colors, materials and structures can be used to affect the absorption or reflection of radiant energy.
- Traditionally, heat transfer is mitigated in residential and commercial structures by insulation used in the structure's walls, ceilings and floors. An insulating material's resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value—the higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of material used in the insulation, its thickness, and its density and porosity. The R-value of some insulations also depends on temperature, aging, and moisture accumulation. Current materials offered for purposes of insulating a structure include insulation having vacuum cavities or ‘dead’ air space, such as impregnated foams, which achieve a high R-value as compared to standard insulation materials. However, these products will eventually lose their vacuum (and thereby their effectiveness), and tend to be too expensive to use as building materials for residential structures, finding more suitable applications in doors and refrigeration units.
- In developing the disclosed technology, it was imperative to aggressively deal with all three methods of heat transfer, each of which present challenges to the fabrication of an economical, energy efficient residential or commercial structure. In particular, the energy efficiency of the disclosed technology maximizes the afore-described principle that heat cannot be transferred by conduction or convection through a vacuum, overcomes the challenges in creating and maintaining such a vacuum, and further mitigates heat transfer by radiation. Structures manufactured using the disclosed technology and the methods herein described are both economical and resist the forces of natural disasters such as hurricanes, tornados and wildfires.
- The disclosed technology provides affordable, energy efficient, durable building structures and components thereof, and methods of constructing the same. As herein described, the present invention includes one or more modules, each module having a vacuous chamber substantially void of structural elements, materials and gaseous molecules which would otherwise transfer heat energy. This vacuous chamber is provided in the ceiling and at least a portion of the walls of a structure, thereby mitigating heat loss through conduction and convection.
- Acknowledging that the vacuum in the chamber will present significant stress on the walls of the module, and that walls of the modules will likely be exposed to stress from external high atmospheric pressures and natural weather phenomenon, external bracing is provided to support the modules and the integrity of the chambers, while not interfering with the chamber's highly effective resistance to heat flow. Further, modules damaged beyond repair by storms, falling trees, etc., may be easily replaced in structures of the disclosed technology.
- Creating and maintaining a vacuum on a small scale is fairly simple, as demonstrated in thermos bottles, and various commercially available insulation panels commonly used in freezers and residential entrance doors. Creating and maintaining a vacuum on a larger scale presents a significant challenge. The net volume of a vacuum chamber needed to effect proper insulation of an 1,800 ft2 residential structure is estimated at or greater than 2,400 ft3. Further, over time there will be eventual loss or degradation of the vacuum in the vacuum chamber, and there is always a potential for leaks in the chambers. Commercially available vacuum pumps suitable to create and maintain the vacuum in the large vacuous chambers of the modules of the disclosed technology are expensive, and require significant energy to operate. Therefore, the disclosed technology further provides a novel apparatus for economically creating and maintaining a vacuum within the vacuous chambers of the structural module, requiring minimum energy to operate.
- As stated above, no medium, such as air or water, is needed for the radiation (e.g., from the sun) to travel and transfer heat energy. To minimize the effect of thermal radiation, exterior elements of the disclosed technology may be coated with reflective material. Further, a roof structure made from material or covered in a coating designed to reflect radiant heat may be affixed to the modules of the disclosed technology. It is also believed that the distance between the walls of the vacuum chamber have some effect upon the amount of heat energy that is transferred via radiation; separating the internal wall of a module from the external wall by at least 12 inches may significantly reduce remnants of thermal radiation.
- In certain embodiments, the module chamber is free from structural elements, but no vacuum is created in the chamber. Preliminary testing reveals that such modules provide a standard insulation R value of about 34.
- The disclosed technology provides a module useful in constructing an energy efficient, durable building structure. The module includes an exterior wall, an interior wall and side walls, joined to form a vacuous, sealed chamber substantially void of structural elements, materials and gaseous molecules. One or more ribs are affixed to or formed integral with an exterior surface of the exterior wall of the module, extending the width of the module. A vacuum apparatus may be incorporated in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module.
- In embodiments as hereinafter described, the module may be arc-shaped to increase the strength of the module and reinforce the exterior wall and the interior wall against the stresses created by an internal vacuum. In these and other embodiments, the module may be formed from a pair of module segments, each module segment being semi-arc shaped, and having an independent vacuous, sealed chamber.
- The disclosed technology further provides an inexpensive, replaceable vacuum apparatus for creating and maintaining a vacuum within a vacuous, sealed chamber of a module useful in constructing an energy efficient, durable building structure, wherein the module includes an exterior wall, an interior wall and side walls, joined to form the vacuous, sealed chamber. The vacuum apparatus may include a pair of tubes in communication with the vacuous, sealed chamber. In some embodiments, as hereinafter described, each tube is in liquid communication with the other tube at one end, and with the vacuous, sealed chamber at the other end. As liquid is pumped into one tube, air is released to the environment from that tube, and air is drawn from the vacuous, sealed chamber in the other tube; as the flow of liquid among the tubes is reversed, the flow of air is reversed as well. Systems using this disclosed technology are intended to achieve an atmospheric pressure within the vacuous, sealed chamber, of between 8-25 inHg, or 10-15 inHg.
- The disclosed technology further provides a method of controlling heat transfer within a structure, by providing at least one module as the ceiling and at least a portion of the walls of the structure, the module having an exterior wall, an interior wall and side walls, joined to form a vacuous, sealed chamber substantially void of structural elements One or more ribs are affixed to or formed integral with an exterior surface of the exterior wall. Each module is coupled with a vacuum apparatus in communication with the vacuous, sealed chamber, for creating and maintaining a vacuum within the module. The method further includes operating the vacuum apparatus to draw air out of the vacuous, sealed chamber, until the chamber has an atmospheric pressure of between 8-25 inHg, or 10-15 inHg. In embodiments of this technology, the method further includes monitoring the atmospheric pressure within the vacuous, sealed chamber, and further operating the vacuum apparatus when the atmospheric pressure is above a pre-defined level.
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FIG. 1A is a peripheral view of an embodiment of the modules of the disclosed technology; -
FIG. 1B is a peripheral view of another embodiment of the modules of the disclosed technology, with a side wall removed; -
FIG. 1C is a side of an embodiment of internal bracing within a module of the disclosed technology; -
FIG. 2 is a peripheral view of an embodiment of module segments of the disclosed technology, conjoined to form a module; -
FIG. 3 is a peripheral view of an embodiment of conjoined modules of the disclosed technology; -
FIG. 4 is a peripheral view of an embodiment of a structure, having a module and an end wall of the disclosed technology; -
FIG. 5A is a schematic view of an embodiment of a vacuum apparatus of the disclosed technology; -
FIG. 5B is a peripheral view of the vacuum apparatus ofFIG. 5A installed on an embodiment of the module of the disclosed technology; -
FIG. 6A is a peripheral view of an embodiment of a module of the disclosed technology, having a window; -
FIG. 6B is a peripheral view of an embodiment of a module of the disclosed technology, having a door and a foyer area; -
FIG. 7A is a peripheral view of an embodiment of a replaceable roofing system useful with the modules of the disclosed technology; -
FIG. 7B is a closer view of portions of the roofing system ofFIG. 7A ; -
FIG. 7C is a view of an embodiment of an embodiment of a machined bracket of the roofing system of the disclosed technology; -
FIG. 7D is a side view of the ends of an embodiment of the roofing slats of the roofing system of the disclosed technology; -
FIG. 7E is an exploded view of the installment of a roofing slat on a bar of a roofing system of the disclosed technology; -
FIG. 8A is aside view of an embodiment of the module of the disclosed technology installed with raised flooring; -
FIG. 8B is a side view of an embodiment of the module of the disclosed technology installed on a flat surface; -
FIG. 8C is a peripheral view of an embodiment of floor support walls of the disclosed technology; -
FIG. 8D is another view of the embodiment of floor support walls shown inFIG. 8C ; -
FIG. 9A is a side view of an embodiment of a module of the disclosed technology secured to the ground by means of earth spikes; -
FIG. 9B is a side view of an embodiment of a module of the disclosed technology supported by end support walls and having a trussed flooring, secured to the ground by means of earth spikes; -
FIG. 9C is a side view of an embodiment of earth spikes suitable for use in securing the modules of the disclosed technology to the ground; -
FIG. 10A is a side view of an embodiment of a module of the disclosed technology supported by floor support walls and having a trussed flooring, installed in trenches; -
FIG. 10B is a partial view of the floor support walls ofFIG. 10A as installed in the trenches; and -
FIG. 11 is a peripheral view of an embodiment of modular flooring assembly of the disclosed technology. - Embodiments of the disclosed technology provide affordable, energy efficient,
durable building structures 200 and components thereof, and further methods of construction of structures including the building structures of the disclosed technology or components thereof. - Generally, the structures of the disclosed technology include one or more modules 1, an embodiment of which is shown in
FIGS. 1A, 1B, 2-4, 5B, 6A, 6B, 8A, 8B, 9A, 9B, and 10A . Each module has at least one vacuous, sealedchamber 10 substantially void of structural elements, materials and gaseous molecules. The modules may be arc-shaped to increase the strength of the structure and reinforce the walls against the stresses created by the internal vacuum. When conjoined as hereinafter described, the modules form thebuilding structure 200. Thechamber 10 is herein described as a vacuous, sealed chamber, by which vacuum the chamber achieves a very high R value; however, in some embodiments the chamber are void of structural elements, but are not supplied with a vacuum, which preliminary testing shows can achieve a standard insulation R value. In larger chambers, structural elements may be provided to support the integrity thereof, as herein described. The disclosed technology is not intended to limit the embodiments of the chamber to one in which a vacuum has been applied or which is substantially void of structural elements, but rather is intended to also cover embodiments with chambers to which a vacuum has not been applied, or includes structural elements. Embodiments of the modules of the disclosed technology may have a length of between 8-14 ft., and a width of at least 12 ft., or between about 24-40 ft. - As shown in
FIG. 2 , in some embodiments the modules may be semi-arc-shaped forming module segments 1A, so that when the segments are conjoined by bolting or other means as hereinafter described, they form the module 1, having twochambers 10. - Further, as shown in
FIG. 3 , a plurality of modules 1 or module segments may be conjoined by bolting or other means, to form structures of varying lengths. The design of these modules and module segments provide a method of construction which enables the construction of a large size structure, while keeping the transportation of the structure (by its components, to a provided site for assembly) practical. - Each module (or module segment) has an
exterior wall 11 and an interior wall 12. The exterior and interior walls are defined by an outer surface and an inner surface, wherein the inner surfaces of the walls form thechamber 10. In some embodiments, such as shown inFIGS. 1A, 1B, 2-4, 5B, 6A, 6B, 8A, 8B, 9A, 9B, and 10A , the exterior wall and the interior wall are formed in corresponding arc shapes, wherein the degree of curvature of each of theinterior wall 11 and the exterior wall 12 are the same. One or more of the sides of the module or module segments are sealed with a correspondingly shaped side wall 14 traversing the width of the module as shown inFIG. 1A , which with the exterior and interior walls form thechamber 10. Further, each of the ends of the exterior wall and the interior wall of the module or the module segment may be affixed to arectangular base 13, extending the length of each side of the module, thereby providing uniform depth along the width of the chamber. The depth of the chamber (the space between the exterior wall and the interior wall) plays a critical role in the net thermal resistance or R value of the module. In arc shaped and segmented embodiments, the depth of the chamber may be consistent along the width thereof, between, for example, 6″-24″, or 12″-18″, although for larger sized modules the depth of the vacuous chamber may be greater. In an embodiment, the depth of a module is 12″, and the vacuum in the chamber (established as hereinafter described) has an atmospheric pressure of between 8-25 inHg, or 10-15 inHg; theoretically it is believed that in such an embodiment an R value of up to 300 can be achieved. Increasing the depth of the module chamber and/or the pressure therewithin increases the R value of the chamber. - In the exemplary embodiment shown in
FIGS. 1A, 8A, 8B, 9A, 9B and 10A , no materials or structural elements are present within the chamber. To ensure physical integrity of the chambers when substantially void of gas molecules, one or more bracing elements, such asribs 15, may be affixed to or formed integral with the exterior surface of the exterior wall of the module. At the sides of the module, theribs 15 may be formed integral with, and extend from the side walls 14. As herein discussed, bracing the modules and their vacuous chambers on the exterior of the module, rather than within the chamber, eliminates thermal transferring materials within the chamber, and significantly increases the R-value of the modules. If internal bracing is required to maintain the structural integrity of the modules and the vacuum chamber (e.g., in larger modules, or where the modules are constructed from weaker materials), internal reinforcement ribs 15C may be provided within the vacuum chamber, as shown inFIG. 1B . The design of these internal reinforcement ribs may have cutouts 15D, as shown, to minimize heat transfer. - Each of the
ribs 15 may extend the width of the arced exterior surface of the exterior wall. As shown for example inFIGS. 2, 3, 4 , four ribs may be equidistantly position along the length of a module segment or module; more ribs may be necessary for larger modules. These ribs may have an architectural design, or may as shown inFIGS. 2, 3 and 4 , may have a plurality of slots orcutouts 15A, which mitigate the transfer of heat by means of conduction, and/or facilitate attaching a roof (as shown inFIGS. 7A-7E , and hereinafter described), and further as hereinafter described may provide a means to bolt together modules to increase the length of the structure. - In some embodiments the outer surface of the exterior walls of the modules or module segments and the ribs may be coated with reflective materials to reflect solar rays and mitigate radiant heat transfer.
- Structures constructed from modules or module segments as hereinabove described may include a plurality of modules, affixed one-to-another along their sides, as shown in
FIG. 3 , thereby providing flexibility in structural size. A low thermalconductive gasket material 21 may be placed between conjoined modules, to prevent air seepage and reduce the thermal conductive properties of the sides of the modules. - As shown in
FIG. 4 ,structures 200 of the disclosed technology may also include one ormore end walls 40 affixed to a side of an end module 1 (or module formed from module segments). The end walls may have a uniform thickness, with a chamber between an exterior wall and an interior wall. In this embodiment, and to mitigate heat transfer, the end walls are reinforced by external bracing. Alternatively, standard insulation may be positioned within the interior and exterior walls of the end walls, allowing bracing between the interior and exterior walls to reinforce the structure. In either embodiment, foam insulation or low thermal conductive gasket material may be installed between the adjacent surfaces of the end walls and the corresponding module, to minimize thermal conduction between the components. - As shown in
FIGS. 6A and 6B , the modules (or conjoined module segments) can further accommodate windows 201, doors 202, and a foyer 202A, each of which may be fabricated between theexternal reinforcement ribs 15, and extending through thechamber 10, while maintaining the integrity of the sealed chamber. - In an embodiment, any or all of the modules, bracing elements, and side walls of the disclosed technology, and/or components thereof, are constructed from rolled or step-broke steel, including carbon steel, which while a high thermal conductor is strong, fireproof, non-permeable, easy to fabricate, relativity inexpensive and able to maintain the vacuum within the vacuous chamber over a long period of time. Other durable materials may also be suitable for use in these elements of the disclosed technology. Robotic straight seam welding can be used to increase quality and dramatically reduce the cost of construction of modules or module segments, walls and bracing elements of the disclosed technology.
- An exemplary structure includes a plurality of modules 1, each module having a width of less than 40 feet and a length of 8 to 14 feet, with an internal height of 8 feet; this height can be extended either by increasing the internal height of the module, or by walls installed below the module, as hereinafter described. These modules and other structural components of the disclosed technology may be fabricated at a remote fabrication facility and then transported to the construction site. Manufacturers of pre-fabricated structural components of the disclosed technology may want to be mindful of state regulations regarding load width/height/length.
- At the construction site, the structures may be assembled by conjoining modules (or module segments) along their sides as shown in
FIG. 3 , by bolting their external ribs together, thereby retaining the structural integrity and functionality of thechambers 10. When using module segments, the same may be conjoined to form modules by bolting an endplate from a first module segment to the corresponding endplate of the second module segment, to form a module as shown inFIG. 2 . - In an exemplary embodiment, three modules are conjoined as herein provided, each module having dimensions of 35 ⅓ ft.×17 ft., to in the aggregate make a structure of 1,800 ft2. For an 1,800 ft2 structure, it is estimated that over 2,400 ft3 of vacuous space will be required to achieve desired insulation, although the climate of the intended use may be considered in determining the vacuous space required to achieve the requisite R value based upon the requirements of the local climate. The cubic foot volume of a vacuous chamber having a 12-inch depth would likely provide over 2,400 ft3 over all modules.
- Structures constructed from the disclosed technology may also include a
floor 203. As shown inFIGS. 8A, 9B, 10A, and 11 , the floor may include a plurality of trusses 203A, secured tofloor support walls 204 to which the trusses are bolted or otherwise secured. As shown inFIG. 8C , the floor support walls may haveangle iron 203C welded or otherwise secured therein to support and secure alignment of the trusses. Plywood or other suitable flooring material 203D may then be affixed to the tops of the trusses, as shown inFIG. 11 . The trusses may be made from any suitable materials, including for example wood or steel. By this configuration, forces created by the vacuum in themodules 10, if any, which tend to pull the bases of the vacuum chamber together are mitigated. An insulating gasket may be positioned between the floor or the floor support walls, the base of the modules and/or any theend walls 40. - Further, the
floor support walls 204 may be made at any reasonable height above or below ground. In some embodiments, as shown inFIG. 8D thesewalls 204 have a base 204A wider than the width of thewall 204. Cavities within the floor support walls may include standard insulation, or may be insulated by a vacuum within a vacuous cavity, using the herein-described technology. In an embodiment, as shown inFIGS. 10A and 10B , the base 204A sets upon and is bolted to afoundation 300. In some embodiments, such as the embodiment ofFIGS. 8A, 9B, and 10A , the use of floor support walls to raise the floor of the structure yields a higher interior ceiling within the structure, and provides a crawl-space below the floor suitable for utilities, equipment and storage. - As shown in
FIGS. 10A and 10B , in an embodiment the floor support walls may be installed in trenches. The depth of the trenches may be determined based upon the soil quality at the site; a trench of at least 3 feet is recommended. Reinforcing rods 302 may be driven into the base of each trench, and concrete is poured into the trenches. Allthread rods 303 may be positioned and cast into the concrete, sized and configured to align with corresponding apertures of the base 204A. Finally, once the floor support walls are positioned, the trenches may be backfilled using tamped soil, concrete or other suitable materials. - In an alternative configuration, as shown in
FIGS. 9A and 9B , alarge earth spike 310 may be coupled with the modules or base of the floor support walls to secure the structure to the ground. In this configuration, the structure of the disclosed technology may be constructed in remote locations (inaccessible to drench digging equipment, for example), and/or easily moved from one site to another. The spike may be made from galvanized steel, for example, or other suitable material. To install the spikes, a hole is augured into the ground, and the spike may then be hydraulically pushed into the ground. As shown inFIG. 9C , thespike 310 has a top plate 311, the position of which may be adjusted (by adjusting the position of one or more corners of the top plate 311 relative to the bottom plate 312), to ensure the structure is supported horizontal with the horizon. In this embodiment, corners of the module(s) or module segments are then secured to the top plate 311 of the spike, by welding or otherwise. - These floor and base embodiments may be partially or wholly pre-fabricated, an example of which is shown in
FIG. 11 . In this embodiment, a pre-fabricated base inclusive of any of thefloor 203,floor support walls 204, trusses 203A, and/or flooring material 203D may be supplied with each module (or set of module segments), conjoined with the module at the construction site. In some further embodiments, accommodations are made on the bottom side of the floor and base to support utility wiring and other piping or structure, thereby further decreasing the cost and time of assembly at the construction site. - In yet another embodiment, as shown in
FIGS. 8B and 9A , thefloor 203 may be aconcrete pad 50 upon which the assembled structure is positioned; as hereinabove described, floor support walls may provide additional height to the structure, with or without raised flooring. - In yet another embodiment, the modules may be affixed to a foundation which is anchored to the earth, such as a plurality of prefabricated wide and hollow steel walls of any height. The foundation may be a foot wider than the dimensions of the modules or the structure including a plurality of modules. The cavities of the walls forming the foundation can be filled with soil or other types of heavy insulation. Concrete walls may be bolted to the foundation anchored to the earth to provide a platform to which the structure of the disclosed technology may anchor. In this and other embodiments, the foundation may provide a vacuous space sufficient to accommodate a basement.
- As shown in
FIG. 5A , embodiments of the disclosed technology may further include avacuum apparatus 100 for creating and maintaining a vacuum within a module 1 or a module segment 1A. The apparatus may be positioned between two of the external ribs of each module (see, e.g.,FIG. 5B ). By having a vacuum apparatus for each module, no plumbing between modules would be required. In other embodiments, the modules may be connected with plumbing, connecting one or more vacuum chambers so a single vacuum pump could be used to create and maintain the vacuum levels in some or all of the modules of a structure. This plumbing may be designed so that each module may still remain separate from the others, which would permit control of the R values of each module independently of the others. - In one embodiment, as shown in
FIG. 5A , an inexpensive, replaceable,vacuum apparatus 100 includes two tubes 101, 102. The tubes may have an inner diameter of 6-12″, wherein the diameter of the tubes control the rate at which the vacuum is created. Further, the tubes may be 5-8 ft. long, and in some embodiments (not shown) may have a curvature corresponding with the curvature of the exterior walls of the corresponding module. The tubes may be made from schedule 80 polyvinyl chloride (PVC) or steel, or other suitable materials. - As shown in
FIG. 5B , the top of each tube of the vacuum apparatus has a top inlet 101A, 102A, each in sealed communication with thechamber 10, and a top outlet 102A, 102B, which emits air to the environment. Each of the inlet/outlet pairs are controlled by a shutoff valve 101C, 102C, which valve directs whether air is drawn by the respective tube from the vacuum chamber or emitted to the environment. The valves may be electrically operated, and are normally closed until energized. As shown inFIG. 5B , the tubes are mounted in a vertical or angular position to the module, such as for example the exterior surface, between two ribs. - Likewise, the base of each tube has a base outlet 101D, 102D, and a base inlet, 101E, 102E, each pair of which are also controlled by a shutoff valve 101F, 102F, the valves being normally closed until energized. A first outlet of each tube 101D, 102D is connected to the corresponding inlet 102E, 101E of the other tube, in each case through a
liquid transfer pump 110. One way check valves may be positioned throughout the system to prevent any vacuum from escaping from the vacuum chamber, or liquid to pass in an unintended direction. The shutoff valves control the flow of liquid within the system, and permit air to escape from the tubes being filled and draw the vacuum from the chamber at the end of each stroke. - The
liquid transfer pump 110 of the vacuum apparatus may be a single phase 120 v system, having a flow rate of at least 4,000 gallons per hour (gph), requiring less than 8 amps of power. With this low energy requirement, the pump can be powered by wind or solar power. - As shown in
FIG. 5A , in operation, the first tube 101 is filled with the intended liquid (e.g., brake fluid, or other or other high-boiling point liquid), and the second tube 102 is partially filled with the same liquid. The inlet valve 101A of the first tube is set to draw air from the vacuum chamber, and the outlet valve of the second tube is set to deliver air to the environment. The liquid is drawn from the first tube through the base outlet 101D by means of the liquid transfer pump, and delivered to the second tube at its base inlet 102E, which creates a vacuum at the top of the first tube, and by this configuration pulls gasses (air) from thevacuum chamber 10 of the module into the first tube, and expels air into the environment from the second tube. When the second tube is full of liquid, the electrically operated valves reverse, so that the inlet of the second tube is set to draw air from the vacuum chamber, and the inlet of the first tube is set to deliver air to the environment. The liquid is drawn from the base outlet 102D of the second tube by means of the liquid transfer pump, and delivered to the first tube at its inlet 102E, which creates a vacuum at the top of the second tube, and by this configuration pulls gasses (air) from thevacuum chamber 10 of the module into the second tube, and expels air into the environment from the first tube, until the first tube is full of liquid. The cycle is automatically repeated until the proper vacuum has been achieved within the vacuum chamber of the module. - As shown in
FIG. 5D , when the apparatus has achieved the desired vacuum within the chamber of the modules, the shutoff valves 101C, 102C, 101F and 102F, are all de-energized, preventing any vacuum from escaping the module. - The vacuum apparatus may include an electrical controller or logic computer program to control the cycles and overall operation of the vacuum apparatus The vacuum apparatus may also include a pressure sensor within the module which can communicate a pressure level within the module to the electrical controller to stop operation of the system and de-energize the shutoff valves when the pressure within the vacuum chamber is above a predetermined vacuum level; and to start operation of the system and energize the shutoff valves when the vacuum falls below a predetermined value. By this configuration, the controller can detect any air leaks within a module by a rapid change in pressure therewithin.
- In other embodiments, the vacuum apparatus may be a hydraulic plunger system coupled with a hydraulic pump or cable winch.
- In larger structures a low pressure high volume impeller fan (e.g., fans used in cyclone dust collection systems) can be used to initially rapidly remove a large portion of the air from the vacuum chamber when coupled with the chamber; thereafter a vacuum apparatus as hereinabove described may be positioned on the vacuum chamber to complete the evacuation process, and maintain the vacuum within the chamber. Commercially available vacuum pumps, although expensive, can be used with one or more modules of the disclosed technology.
- Acknowledging that holes could appear in a wall of the modules, it is important that this this hole can be easily accessed for repair. While a hole would be fully accessible when a roof is not provided, as shown in
FIGS. 7A, 7B, 7C, 7D and 7E , a series of roofing slats may be positioned among the ribs of the module. In this embodiment, and as shown inFIGS. 7A, 7B and 7E , a series offlat bars 400 to support the roofing slats may be welded to the top of theribs 15. Each flat bar supports a plurality ofroofing slats 401, which collectively form the roof. The slats may comprise a material resistant to radiant heat from the sun. These slats can be attached to theflat bars 400 using bolts, although over time bolts can become corroded and become difficult to remove. Further, it may be difficult to align the bolts with the holes in the flat bar after theslats 401 are removed to conduct a repair. To mitigate this problem, machinedbrackets 402 may be bolted to theroof forming slats 401, distanced so that they may receive (in the machined part thereof) and hang on theflat bars 400, removably supporting the roof slats. Aremovable stop bar 303 may be positioned between the ribs, to contain upward movement of the roofing slats; once this stop bar is removed, the slat bars may likewise be removed to expose a hole or area needing repair, and then repositioned on the flat bars. Using this method, any point on the outer surface of the module (where, for example, a leek has developed) can be accessed by removing the proximate one or more slats, without removing a large section of the roof. Further, by this design individual roofing slats which have deteriorated over time can be easily removed and replaced. - Tests conducted on current technologies as compared to an rectangular-shaped module having a length of 36″, a width of 24″, and a depth of 12″, void of structural elements within the vacuous chamber of the module. The material/structure tested was positioned between a hot room and a test room. The hot room was heated to a temperature of 84° F., and the test room was cooled to a temperature of 60° F. In the test the amount of time it took for the rooms to achieve the same temperature was measured, which revealed the following:
-
Material/structure Time R Value 6″ polystyrene insulation 6 hrs. 30 Module, no vacuum applied 7 hrs. 34 Module, 5 inHg vacuum applied 9.5 hrs. 46 Module, 10 inHg vacuum applied 14 hrs. 71 Module, 15 inHg vacuum applied 15.5 hrs. 78 Module, 20 inHg vacuum applied 20 hrs. 100
Claims (20)
1. A module useful in constructing an energy efficient, durable building structure, the module comprising a plurality of walls, joined to form a vacuous, sealed chamber substantially void of structural elements, materials and gaseous molecules.
2. The module of claim 1 , wherein the module is arc-shaped to increase the strength of the module and reinforce the plurality of module walls against the stresses created by an internal vacuum.
3. The module of claim 2 , wherein the degree of curvature of at least some of the plurality of walls is the same.
4. The module of claim 2 , wherein at least two of the arc-shaped plurality of walls are affixed to another wall of rectangular shape.
5. The module of claim 1 , wherein the module comprises a pair of module segments, each module segment being semi-arc shaped, and having a vacuous, sealed chamber so that when conjoined to form the module, the module also has a second vacuous, sealed chamber.
6. The module of claim 1 , wherein the depth of the chamber is at least 12 inches.
7. The module of claim 1 , further comprising a plurality of ribs which extends a width of the module and is positioned on the exterior of at least one of the plurality of walls.
8. The module of claim 7 , further comprising a roofing system including a plurality of flat bars secured to and between the ribs, and a plurality of roof slats, each roof slat having a plurality of machined brackets affixed along the length thereof, to receive and removably secure the roof slats to the flat bars.
9. The module of claim 1 , wherein the module has a length of between about 8-14 ft., and a width of between about 24-40 ft.
10. A method of controlling heat transfer within a structure, the method comprising:
a. providing at least one module to serve as at least a portion of the ceiling or walls of the structure, the module having a plurality of walls joined to form
a first vacuous, sealed chamber substantially void of structural elements; and
b. drawing air out of the vacuous, sealed chamber.
11. The method of claim 10 , the module further having one or more ribs affixed to or formed integral with an exterior surface of at least one of the plurality of walls.
12. The method of claim 11 , further comprising providing a vacuum apparatus in communication with the first vacuous, sealed chamber, for creating and maintaining a vacuum within the module.
13. The method of claim 12 , wherein the method further comprises monitoring the atmospheric pressure within the first vacuous, sealed chamber, and further operating the vacuum apparatus when the atmospheric pressure is above a pre-defined level.
14. The method of claim 10 , wherein the structure comprises a plurality of modules.
15. The method of claim 13 , wherein the structure is supported on floor support walls, which floor support walls further support a plurality of trusses to which a flooring may be secured.
16. The method of claim 13 , wherein the module is arc-shaped to increase the strength of the module and reinforce the plurality of walls forming the chamber wall against the stresses created by an internal vacuum.
17. The method of claim 16 , wherein the degree of curvature of at least two of the plurality of walls is the same
18. The method of claim 13 , wherein the module comprises a pair of module segments, each module segment being semi-arc shaped, and each module having an independent vacuous, sealed chamber so that when conjoined to form the module, the module also has a second vacuous, sealed chamber.
19. The method of claim 13 , wherein the ends of at least two of the plurality of walls are affixed to a rectangular base.
20. The method of claim 13 , wherein the module has a length of between 8-14 ft., a width of between about 12-40 ft., and a depth of at least 12 inches.
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US17/662,426 US20220268014A1 (en) | 2019-08-23 | 2022-05-07 | Affordable energy efficient and disaster proof residential structures |
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US201962890634P | 2019-08-23 | 2019-08-23 | |
US17/000,391 US10941565B1 (en) | 2019-08-23 | 2020-08-24 | Affordable energy efficient and disaster proof residential structures |
US17/166,083 US11352784B1 (en) | 2019-08-23 | 2021-02-03 | Affordable energy efficient and disaster proof residential structures |
US17/662,426 US20220268014A1 (en) | 2019-08-23 | 2022-05-07 | Affordable energy efficient and disaster proof residential structures |
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US17/662,426 Abandoned US20220268014A1 (en) | 2019-08-23 | 2022-05-07 | Affordable energy efficient and disaster proof residential structures |
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US10941565B1 (en) | 2021-03-09 |
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