Solar stove

Claim 2

A solar stove apparatus comprising in combination: a plurality of identical solar-reflective panel means, each of said panel means being generally in the form of a concave petaloid, a base assembly having an open topped box-like oven portion, said solar-reflective panel means including common inner portions adapted to be seated in said base assembly and outer portions pivotally attached to the oven portion for movement between a folded position overlying the top of the oven portion in stacked relationship with each other and an unfolded position in which said panel means radiate outwardly from the open top of the oven portion each petaloid being concave in the direction of radiation away from said open top, a retention band of non conductive material defining a ring tightly fitting and conforming to the outside of the inner portions of the said reflective panel means, attachment means releasably attaching the said solar-reflecting panel means in edge-to-edge relationship to one another in the unfolded position, a transparent window element removably covering the open top of the oven portion to selectively enclose the oven portion, said panel means in the unfolded position being adapted to reflect solar radiation through the window element and into the oven portion of the apparatus, and support means operative to support said base assembly such that said base assembly can be selectively positioned and retained in a desired directional orientation with respect to the sun.

Claim 3

A solar stove apparatus comprising in combination: a bAse assembly of a non-conductive material with a reflective foil lining on an inner face thereof, said base assembly having a symmetrical ten sided bottom wall with petaloid panels connected to each side of the bottom wall, each said petaloid panel having an inner and outer portion, said inner portion being connected to a side of the bottom wall so as to extend normally away therefrom and each outer portion being hingedly connected to the associated inner portion for movement between a folded position wherein each of the panels are in stacked relationship with each other overlying the bottom wall and an unfolded position wherein the panels are in adjacent edge-to-edge relationship diverging outwardly from the associated inner portion, attachment means extending through adjacent panels in the unfolded position to releasably attach the panels in edge-to-edge relationship, a spacer insert of a non-conductive material having a reflective foil lining on an inner face thereof, said spacer insert being seated on the bottom wall of said base assembly, a liner element of a non-conductive material having a reflective foil lining on an inner face thereof, said liner element having a ten sided bottom wall conforming in configuration to the bottom wall of the base assembly and tabs connected to each side of the bottom wall so as to extend normally away therefrom in abutting relationship with the inner portions of the petaloid panels, a window element having a transparent window pane with an aperture therethrough and peripheral frame members of a non-conductive material on opposite sides of the window pane, said window element adapted to be seated on the tabs of said liner element in spaced relation from the bottom wall of the liner element, a direction finder comprised of an elongated pin with a disc therearound extending normally away from the pin, said pin being inserted in said aperture in the window pane with said disc abutting the window pane, a retention band of a non-conductive material defining a ten sided ring tightly fitted around the outside of the inner portions of the petaloid panels, and strap means anchored to said base assembly and adapted to pass over the petaloid panels when the panels are in the folded position to retain the panels in the folded position.

Claim 4

A solar stove apparatus comprising in combination: a bAse assembly of a non-conductive material with a reflective foil lining on an inner face thereof, said base assembly having a symmetrical ten sided bottom wall with petaloid panels connected to each side of the bottom wall, each said petaloid panel having an inner and outer portion, said inner portion being connected to a side of the bottom wall so as to extend normally away therefrom and each outer portion being hingedly connected to the associated inner portion for movement between a folded position wherein each of the panels are in stacked relationship with each other overlying the bottom wall and an unfolded position wherein the panels are in adjacent edge-to-edge relationship diverging outwardly from the associated inner portion, attachment means extending through adjacent panels in the unfolded position to releasably attach the panels in edge-to-edge relationship, a spacer insert of a non-conductive material having a reflective foil lining on an inner face thereof, said spacer insert being seated on the bottom wall of said base assembly, a liner element of a non-conductive material having a reflective foil lining on an inner face thereof, said liner element having a ten sided bottom wall conforming in configuration to the bottom wall of the base assembly and tabs connected to each side of the bottom wall so as to extend normally away therefrom in abutting relationship with the inner portions of the petaloid panels, a window element having a transparent window pane with an aperture therethrough and peripheral frame members of a non-conductive material on opposite sides of the window pane, said window element adapted to be seated on the tabs of said liner element in spaced relation from the bottom wall of the liner element, a direction finder comprised of an elongated pin with a disc therearound extending normally away from the pin, said pin being inserted in said aperture in the window pane with said disc abutting the window pane, a retention band of a non-conductive material defining a ten sided ring tightly fitted around the outside of the inner portions of the petaloid panels, and strap means anchored to said base assembly and adapted to pass over the petaloid panels when the panels are in the folded position to retain the panels in the folded position.

Claim 5

A solar stove apparatus comprising in combination: a base assembly having an open-topped box-like oven portion, a plurality of identical reflective panels pivotally attached to the oven portion for movement between a folded position overlying the open top of the oven portion in stacked relationship with each other and an unfolded position in which they diverge upwardly and outwardly from the open top of the oven portion, a transparent window element removably covering the open top of the oven portion to selectively enclose the oven portion whereby when said panels are in the unfolded position they are adapted to reflect solar radiation through the window element and into the oven portion of the apparatus; and said window elment having an opening therethrough and further including a pin releasably inserted in said opening in the window element so as to extend normal to the window element whereby said solar stove apparatus can be aligned with the sun by orienting the said solar apparatus until said pin does not cast a shadow.

Claim 6

A solar stove apparatus comprising in combination: a base assembly having an open-topped box-like oven portion, a plurality of identical reflective panels pivotally attached to the oven portion for movement between a folded position overlying the open top of the oven portion in stacked relationship with each other and an unfolded position in which they diverge upwardly and outwardly from the open top of the oven portion, a transparent window element removably covering the open top of the oven portion to selectively enclose the oven portion whereby when said panels are in the unfolded position they are adapted to reflect solar radiation through the window element and into the oven portion of the apparatus; and said window elment having an opening therethrough and further including a pin releasably inserted in said opening in the window element so as to extend normal to the window element whereby said solar stove apparatus can be aligned with the sun by orienting the said solar apparatus until said pin does not cast a shadow.

Claim 7

A solar stove apparatus comprising in combination: a plurality of identical solar-reflective panels, a base assembly of a non-conductive material with a reflective lining on the inner face thereof, said base assembly having a bottom wall with a plurality of symmetrical edges, one of said reflective panels being connected to each of said symmetrical edges, attachment means extending through adjacent reflective panels in the unfolded position to releasably attach the panels in edge-to-edge relationship to one another, a retention band of a non-conductive material defining a ring tightly fitting and conforming to thE outside of the bottom portions of the said reflective panels, an oven of a non-conductive material having a reflective lining on an inner face thereof, said oven having a bottom wall portion with a plurality of edges substantially conforming in configuration to the said plurality of symmetrical bottom wall edges of said base assembly and tabs connected to each side of said bottom wall portion of said oven so as to extend normally away therefrom in abutting relationship with the inner portions of said reflective panels, a transparent window element removably covering the open top of said oven to selectively enclose the said oven whereby when the said solar-reflective panels are in the unfolded position they are adapted to reflect solar radiation through the said window element and into the oven portion of the apparatus, and releasable strap means anchored to said base assembly and adapted to pass over said reflective panels when said reflective panels are folded in stacked relationship with each panel overlying another panel to retain said reflective panels in said stacked relationship.

Claim 8

A solar stove apparatus comprising in combination: a plurality of identical solar-reflective panels, a base assembly of a non-conductive material with a reflective lining on the inner face thereof, said base assembly having a bottom wall with a plurality of symmetrical edges, one of said reflective panels being connected to each of said symmetrical edges, attachment means extending through adjacent reflective panels in the unfolded position to releasably attach the panels in edge-to-edge relationship to one another, a retention band of a non-conductive material defining a ring tightly fitting and conforming to thE outside of the bottom portions of the said reflective panels, an oven of a non-conductive material having a reflective lining on an inner face thereof, said oven having a bottom wall portion with a plurality of edges substantially conforming in configuration to the said plurality of symmetrical bottom wall edges of said base assembly and tabs connected to each side of said bottom wall portion of said oven so as to extend normally away therefrom in abutting relationship with the inner portions of said reflective panels, a transparent window element removably covering the open top of said oven to selectively enclose the said oven whereby when the said solar-reflective panels are in the unfolded position they are adapted to reflect solar radiation through the said window element and into the oven portion of the apparatus, and releasable strap means anchored to said base assembly and adapted to pass over said reflective panels when said reflective panels are folded in stacked relationship with each panel overlying another panel to retain said reflective panels in said stacked relationship.

Claim 9

The solar stove apparatus of claim 4 wherein said reflective panels are generally concave petaloid in shape.

Claim 10

The solar stove apparatus of claim 5 wherein said petaloid panels are ten in number.

Claim 11

The solar stove apparatus of claim 4 wherein said window element has an opening therethrough and further including a pin inserted in said opening in the said window element so as to extend normal to the said window element whereby said base assembly and can be adjusted in relation to the sun until said pin does not cast a shadow.

Claim 12

In the solar stove apparatus of claim 7 wherein said pin is releasably inserted such that when said pin does not cast said shadow the said pin is removed and said opening serves as a vent to prevent pressure build-up in said oven.

Claim 13

The solar stove apparatus of claim 4 further incomprising: a spaced insert of a non-conductive material having on an inner face thereof, said spacer insert being seated on the said bottom wall with the edges substantially conforming to said bottom wall edges of said base assembly, side insulation comprising, in the direction from the interior of said oven to the exterior of said side walls of said base assembly, a first reflective side lining and a first non-conductive side layer comprising the said tab portion of said oven, a second reflective side lining and a second non-conductive side layer comprising the lower portion of said reflective panel, and a third non-conducting layer comprising the said retention band, and bottom insulation comprising, in the direction from the interior of said oven to the exterior of said bottom wall of said base assembly, a first reflective bottom lining and a first non-conductive bottom layer comprising the said bottom wall of said oven, a second reflective bottom lining and a second non-conductive bottom layer comprising the said spacer insert, and a third reflective bottom lining and a third non-conductive layer comprising the said bottom wall of said base assembly.