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A method and apparatus for controlling the environment of cargo through lateral ventilation. The method provides for a controlled fluid to be supplied into a cargo compartment having a lateral portion, the fluid being supplied through a vent in a supply-conduit adjacent the lateral portion. In pract

A method and apparatus for controlling the environment of cargo through lateral ventilation. The method provides for a controlled fluid to be supplied into a cargo compartment having a lateral portion, the fluid being supplied through a vent in a supply-conduit adjacent the lateral portion. In practice, this result can be achieved by building a structure that encloses a cargo compartment having a lateral portion, running a supply-conduit adjacent the lateral portion, connecting the supply-conduit to receive a controlled fluid from outside the cargo compartment, and conducting the fluid into the cargo compartment through a vent in the supply-conduit. On mixing with the environment within the cargo compartment, the fluid will influence components of the environment, for example the humidity and the temperature.

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What is claimed is: 1. A cargo container, comprising: a structure that defines a cargo compartment having a ceiling, a floor and a lateral portion; a controller positioned outside of the cargo compartment; a supply conduit adjacent the lateral portion and having an inlet for receiving a fluid from

What is claimed is: 1. A cargo container, comprising: a structure that defines a cargo compartment having a ceiling, a floor and a lateral portion; a controller positioned outside of the cargo compartment; a supply conduit adjacent the lateral portion and having an inlet for receiving a fluid from the controller, and an outlet spaced above the floor for supplying the fluid to the cargo compartment; and a return conduit having an inlet for receiving the fluid from the cargo compartment through the ceiling of the cargo compartment and an outlet for supplying the fluid to the controller. 2. A cargo container as claimed in claim 1, wherein the controller is operable to urge an environmental component of the fluid toward a desired value. 3. A cargo container as claimed in claim 2, wherein the environmental component is temperature. 4. A cargo container as claimed in claim 2, wherein the environmental component is humidity. 5. A cargo container as claimed in claim 1, further comprising a pump connected in series with the controller, the supply conduit, and the return conduit and operable to urge the fluid therethrough. 6. A cargo container as claimed in claim 5, wherein the fluid comprises air. 7. A cargo container as claimed in claim 1, wherein the floor of the cargo compartment is corrugated. 8. A cargo container as claimed in claim 1, wherein the outlet of the supply conduit includes a substantially vertically oriented elongated vent for discharging the fluid from the supply conduit into the cargo compartment. 9. A cargo container as claimed in claim 8, wherein the vent extends from substantially the top of the cargo compartment to substantially the bottom of the cargo compartment. 10. A cargo container as claimed in claim 8, wherein the vent includes a plurality of holes in the lateral portion of the cargo compartment adapted to discharge the fluid from the supply conduit into the cargo compartment. 11. A cargo container as claimed in claim 8, wherein the vent includes an elongated slot in the lateral portion of the cargo compartment adapted to discharge the fluid from the supply conduit into the cargo compartment. 12. A cargo container as claimed in claim 1, wherein the supply conduit has an interior cross-section, and the size of the cross-section decreases gradually along the length of the supply conduit from the inlet of the supply conduit to the outlet of the supply conduit. 13. A cargo container as claimed in claim 1, wherein the supply conduit is formed integrally with the structure. 14. A cargo container as claimed in claim 1, wherein the supply conduit is separate from the structure. 15. A cargo container as claimed in claim 14, wherein the supply conduit is attached to the lateral portion of the cargo compartment. 16. A cargo container as claimed in claim 1, wherein the supply conduit is substantially outside the cargo compartment. 17. A cargo container as claimed in claim 1, wherein the supply conduit is substantially outside the cargo compartment. 18. A method of controlling the environment within a cargo compartment of a cargo container, the cargo compartment having a structure including a ceiling, a floor and a lateral portion, and the cargo container having a controller positioned outside of the cargo compartment, the method comprising: supplying a fluid from the controller to the cargo compartment through a supply conduit adjacent the lateral portion, the supply conduit having an outlet spaced above the floor; removing the fluid from the cargo compartment through the ceiling of the cargo compartment and into an inlet of a return conduit; and supplying the fluid from the return conduit to the controller. 19. A method as claimed in claim 18, further comprising controlling the temperature of the fluid supplied from the controller. 20. A method as claimed in claim 18, further comprising controlling the humidity of the fluid supplied from the controller. 21. A method as claimed in claim 18, wherein the fluid comprises air. 22. A method as claimed in claim 18, wherein the supply conduit has outlets at more than one elevation within the cargo compartment. 23. A method as claimed in claim 22, wherein the supply conduit has outlets at a plurality of discrete elevations within the cargo compartment. 24. A method as claimed in claim 22, wherein a substantially similar volume of the fluid is supplied at each of the more than one elevation within the cargo compartment. 25. A method as claimed in claim 18, wherein the supply conduit is formed integrally with the structure of the cargo compartment. 26. A method as claimed in claim 18, wherein the supply conduit is separate from the structure of the cargo compartment. 27. A method as claimed in claim 26, wherein the supply conduit is attached to the lateral portion of the cargo compartment. 28. A method as claimed in claim 18, wherein the supplying step includes supplying the fluid through a supply conduit substantially within the cargo compartment. 29. A method as claimed in claim 18, wherein the supplying step includes supplying the fluid through a supply conduit substantially outside the cargo compartment.