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A thermally managed enclosure for batteries in a motor vehicle or other machinery includes a cradle of thermally conductive material for containing a battery. The cradle having a bottom wall and side walls closely fitted to and in contact with the battery, to maintain the battery in a stable positio

A thermally managed enclosure for batteries in a motor vehicle or other machinery includes a cradle of thermally conductive material for containing a battery. The cradle having a bottom wall and side walls closely fitted to and in contact with the battery, to maintain the battery in a stable position. The bottom wall of the cradle has a passageway trough containing a tube for flowing heating or cooling fluid therethrough, to control the optimal operating temperature of the battery. The passageway trough is preferably filled with a thermally conductive fill surrounding said tube. When two or more batteries are required, an array of adjacent cradles are provided in a monocoque tray formed by bonding or welding the multiple cradles at their adjacent sides. These cradles are optionally connected by linearly extending rods in the cradles.

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1. A thermally managed enclosure for at least one battery comprising: a) at least one cradle of thermally conductive material for containing at least one battery;b) said at least one cradle having a bottom wall and side walls closely fitted to and in contact with said at least one battery, wherein s

1. A thermally managed enclosure for at least one battery comprising: a) at least one cradle of thermally conductive material for containing at least one battery;b) said at least one cradle having a bottom wall and side walls closely fitted to and in contact with said at least one battery, wherein said side walls comprise a first set of parallel side walls and a second set of parallel side walls, said second set of side walls being of greater length than that of the first set;c) the bottom wall of said at least one cradle having a passageway trough formed below said bottom wall, said bottom wall forming a top wall of said passageway containing a pipe for flowing heating or cooling fluid;d) said passageway trough being filled with a thermally conductive fill surrounding said pipe;e) said passageway trough being parallel to said second set of side walls; andwherein the sidewalls having one or more apertures configured to receive one or more fasteners for securing the at least one battery to said battery enclosure. 2. The thermally managed enclosure of claim 1 having a plurality of multiple cradles for batteries, and at least one battery occupying a single cradle of each of said plurality of multiple cradles; wherein said one or more apertures are aligned in registration when assembled, said apertures being used to accommodate respective locking rods securing a respective top of each said battery to said battery enclosure. 3. The thermally managed enclosure of claim 2 wherein said battery enclosure is in the form of a monocoque battery tray formed by at least one of bonding or welding said multiple cradles at their adjacent sides. 4. The thermally managed enclosure of claim 2 in which said cradles are positioned side by side with fluid pipes adjacent cradles parallel to each other. 5. The thermally managed system for at least one battery as in claim 1 further comprising a means for controlling the temperature of said fluid to maintain said battery at a selected temperature. 6. The thermally managed enclosure of claim 5 wherein said means for controlling the temperature of said fluid to maintain said battery at a selected temperature comprises an intake manifold carrying said heating or cooling fluid to said fluid pipes in each said cradle, then out through an outlet manifold and then on through a respective at least one external heat exchanger and at least one pump, to form a closed loop heating/cooling system for said batteries in said thermally managed enclosure. 7. The battery enclosure of claim 6 wherein said intake manifold is parallel to said outlet manifold, and said intake manifold is perpendicular to said fluid pipes. 8. The thermally managed enclosure for at least one battery as in claim 1 further comprising a means for controlling the temperature of said fluid to maintain said battery in accordance with temperature requirements of said battery, said means comprising at least one heat exchanger for obtaining heating or cooling fluid from a device powered by said battery. 9. A thermally managed enclosure for at least one battery comprising; a) at least one cradle of thermally conductive material for containing at least one battery;b) said at least one cradle having at least one rectangular wall closely fitted to and in contact with said at least one battery, said wall having a first set of parallel edges and a second set of parallel edges, said second set of parallel edges being of greater length than that of said first set of parallel edges;c) said at least one wall of said at least one cradle having a passageway trough containing a conduit for flowing heating or cooling fluid; andd) said passageway trough being filled with a thermally conductive fill surrounding said tube, said passageway trough having a V-shape and said passageway trough being parallel to said second set of parallel edges. 10. The thermally managed enclosure of claim 9 having a plurality of multiple cradles for batteries, and at least one battery occupying a single cradle of said plurality of multiple cradles; wherein said sidewalls having one or more apertures and said one or more apertures are aligned in registration when assembled, said apertures being used to accommodate respective locking rods securing a respective top of each said battery to said battery enclosure. 11. The thermally managed enclosure of claim 10 wherein said battery enclosure is in the form of a monocoque battery tray formed by at least one of bonding or welding said multiple cradles at their adjacent sides. 12. The thermally managed enclosure of claim 10 in which said cradles are positioned side by side with a fluid conduit in said at least one wall of each said cradle, each said fluid conduit being in parallel with an adjacent fluid conduit, and adjacent respective cradles being attached to said at least one cradle. 13. The thermally managed system for at least one battery as in claim 9 further comprising a means for controlling the temperature of said fluid to maintain said battery at a selected temperature. 14. The thermally managed enclosure of claim 13 wherein said means for controlling the temperature of said fluid to maintain said battery at a selected temperature comprises an intake manifold carrying said heating or cooling fluid to said fluid conduits in each said cradle, then out through an outlet manifold and then on through a respective at least one external heat exchanger and at least one pump, to form a closed loop heating/cooling system for said batteries in said thermally managed enclosure. 15. The battery enclosure of claim 14 wherein said intake manifold is parallel to said outlet manifold, and said intake manifold is perpendicular to said fluid pipes. 16. The thermally managed enclosure for at least one battery as in claim 9 further comprising a means for controlling the temperature of said fluid to maintain said battery in accordance with temperature requirements of said battery, said means comprising at least one heat exchanger for obtaining heating or cooling fluid from a device powered by said battery. 17. A thermally managed enclosure for at least one battery comprising a) at least one cradle of thermally conductive material for containing at least one battery;b) said at least one cradle having at least one wall closely fitted to and in contact with said at least one battery;c) said at least one wall of said at least one cradle having a passageway trough containing a conduit for flowing heating or cooling fluid, and said wall having a first set of parallel edges and a second set of parallel edges, said second set of parallel edges being of greater length than that of said first set of parallel edges;d) said passageway trough being filled with a thermally conductive fill surrounding said tube;e) said cradle of thermally conductive material being a contact surface and solid transfer media transferring heating or cooling to said at least one battery; and wherein said passageway trough is parallel to said second set of parallel edges, the passageway trough having V-shaped sides, wherein a top side of the trough is co-planar with a bottom of the battery and first and second sides of the trough are below the portions of the cradle, the trough having a cross-section. 18. A thermally managed enclosure for at least one battery comprising: a) at least one cradle of thermally conductive material for containing at least one battery;b) said at least one wall of said at least one cradle having a passageway trough containing a conduit for flowing heating or cooling liquid;c) said at least one wall of said at least one cradle having a passageway trough containing a conduit for flowing heating or cooling liquid, said wall having a first set of parallel edges and a second set of parallel edges, said second set of parallel edges being of greater length than that of said first set of parallel edges;d) said passageway trough being thermally conductive and having a V-shape; and said passageway trough being parallel to said second set of parallel edges. 19. The thermally managed enclosure of claim 18 having a plurality of multiple cradles for batteries, and at least one battery occupying a single cradle of said plurality of multiple cradles; the enclosure having side walls having one or more apertures, wherein said one or more apertures are aligned in registration when assembled, said apertures being used to accommodate respective locking rods securing a respective top of each said battery to said battery enclosure. 20. The thermally managed enclosure of claim 19 wherein said battery enclosure is in the form of a monocoque battery tray formed by at least one of bonding or welding said multiple cradles at their adjacent sides. 21. The thermally managed enclosure of claim 19 in which said cradles are positioned side by side with a liquid conduit in said at least one wall of each said cradle, each said liquid conduit being parallel with an adjacent liquid conduit, and adjacent respective cradles being attached to said at least one cradle. 22. The thermally managed system for at least one battery as in claim 18 further comprising a means for controlling the temperature of said liquid to maintain said battery at a selected temperature. 23. The thermally managed enclosure of claim 22 wherein said means for controlling the temperature of said liquid to maintain said battery at a selected temperature comprises an intake manifold carrying said heating or cooling liquid to said fluid conduits in each said cradle, then out through an outlet manifold and then on through a respective at least one external heat exchanger and at least one pump, to form a closed loop heating/cooling system for said batteries in said thermally managed enclosure. 24. The battery enclosure of claim 23 wherein said intake manifold is parallel to said outlet manifold, and said intake manifold is perpendicular to said fluid pipes. 25. The battery enclosure of claim 18 wherein said working liquid is a glycol liquid solution. 26. The battery enclosure of claim 18 wherein said at least one wall of said at least one cradle is a bottom wall; said bottom wall of said at least one cradle having a passageway trough containing a tube for flowing heating or cooling fluid. 27. The battery enclosure of claim 18 wherein said passageway trough is V-shaped. 28. The battery enclosure of claim 18 wherein said at least wall of said one cradle includes a plurality of side walls closely fitted to and in contact with said at least one battery in said at least one cradle. 29. The battery enclosure of claim 18 wherein said passageway trough is filled with a thermally conductive fill surrounding said conduit. 30. The thermally managed enclosure for at least one battery as in claim 18 further comprising a means for controlling the temperature of said fluid to maintain said battery in accordance with temperature requirements of said battery, said means comprising at least one heat exchanger for obtaining heating or cooling fluid from a device powered by said battery.