A trailer having a storage container, a landing gear assembly coupled to the storage container, and a rear wheel assembly coupled to the storage container includes a side skirt system for reducing drag on the trailer. The side skirt system includes a side skirt wall configured to be coupled to one s
A trailer having a storage container, a landing gear assembly coupled to the storage container, and a rear wheel assembly coupled to the storage container includes a side skirt system for reducing drag on the trailer. The side skirt system includes a side skirt wall configured to be coupled to one side of the trailer to extend below one side wall of the trailer at least partially along a length of the trailer. A length of the side skirt wall along a top edge of the side skirt wall is approximately 48%-80% of a distance between the landing gear and forward-most position of the rear wheel assembly.
대표청구항▼
1. A trailer having a storage container, a landing gear assembly coupled to the storage container, and a rear wheel assembly coupled to the storage container, the trailer comprising: a side skirt system for reducing drag on the trailer including a side skirt wall configured to be coupled to one side
1. A trailer having a storage container, a landing gear assembly coupled to the storage container, and a rear wheel assembly coupled to the storage container, the trailer comprising: a side skirt system for reducing drag on the trailer including a side skirt wall configured to be coupled to one side of the trailer to extend below one side wall of the trailer at least partially along a length of the trailer, wherein a length of the side skirt wall along a top edge of the side skirt wall is approximately 48%-80% of a distance between the landing gear and forward-most surface of a forward wheel of the rear wheel assembly when the rear wheel assembly is in a forward-most position on the trailer, a front gap being formed between a leg of the landing gear and a top, front edge of the side skirt wall and a rear gap being formed between a rear edge of the side skirt wall and the forward wheel of the rear wheel assembly when the rear wheel assembly is in the forward-most position of the trailer, the rear gap being between approximately 54 and approximately 102 inches. 2. The trailer of claim 1, wherein the front gap is between approximately 6 inches and approximately 54 inches. 3. The trailer of claim 1, wherein the side skirt wall is approximately 192 inches long. 4. The trailer of claim 1, wherein the side skirt wall is approximately 36 inches tall. 5. The trailer of claim 1, wherein the side skirt system is configured to create an air curtain over a rear gap between a rear edge of the side skirt wall and the forward-most surface of the forward wheel of the rear wheel assembly when air flows around the trailer in order to prevent air from entering an undercarriage region below the trailer. 6. The trailer of claim 1, wherein the trailer includes a second side skirt system coupled to another side wall of the trailer, wherein the first side skirt system defines a first front gap between the landing gear of the trailer and a front edge of the side skirt wall of the first side skirt system, wherein the second side skirt system defines a second rear gap between a rear edge of the side skirt wall of the second side skirt system and the forward-most position of the rear wheel assembly, wherein the first and second side skirt systems operate to allow a cross-wind to travel through the first front gap, under the storage container of the trailer, and out through the second rear gap when the trailer is traveling down a highway. 7. The trailer of claim 1, wherein the side skirt wall is made of a composite material. 8. The trailer of claim 1, wherein the side skirt system is angled relative to the side wall of the trailer. 9. The trailer of claim 8, wherein a front end of the side skirt system is positioned laterally-inwardly of a rear end of the side skirt system. 10. The trailer of claim 8, wherein the side skirt system is angled approximately 1.2 degrees relative to the side wall of the trailer. 11. A trailer having a storage container, a landing gear assembly coupled to the storage container, and a rear wheel assembly coupled to the storage container, the trailer comprising: a side skirt system for reducing drag on the trailer including a side skirt wall configured to be coupled to one side of the trailer to extend below one side wall of the trailer at least partially along a length of the trailer, wherein a distance between a leg of the landing gear of the trailer and a top, front edge of the side skirt wall is between approximately between 6 and 54 inches, wherein a distance between a rear edge of the side skirt wall and forward-most position of the wheels of the rear wheel assembly is between approximately 54 inches and approximately 102 inches. 12. The trailer of claim 11, wherein the side skirt wall is configured to move laterally outwardly and laterally inwardly with respect to a generally vertical axis parallel to the side wall of the trailer when the trailer is in transit. 13. The trailer of claim 11, wherein the trailer includes a second side skirt system coupled to another side wall of the trailer, wherein the first the side skirt system defines a first front gap between the landing gear of the trailer and a front edge of the side skirt wall of the first side skirt system, wherein the second side skirt system defines a second rear gap between a rear edge of the side skirt wall of the second side skirt system and the forward-most position of the rear wheel assembly, wherein the first and second side skirt systems operate to allow a cross-wind to travel through the first front gap, under the storage container of the trailer, and out through the second rear gap when the trailer is traveling down a highway. 14. The trailer of claim 12, wherein the side skirt system is configured to tilt laterally both inwardly and outwardly relative to the floor assembly of the trailer. 15. The trailer of claim 11, wherein the side skirt wall includes first and second wall panels engaged with and coupled to each other. 16. A method of reducing drag on a trailer comprising: providing a first side skirt system on the trailer, wherein the first side skirt system includes a first side skirt wall configured to be coupled to a first side of the trailer to extend below a first side wall of the trailer at least partially along a length of the trailer, a first, front gap being provided between a landing gear leg of the trailer and a top, front wall of the first side skirt wall, the first front gap between approximately 6 inches and approximately 54 inches;providing a second side skirt system on the trailer, wherein the second side skirt system includes a second side skirt wall configured to be coupled to a second side of the trailer to extend below a second side wall of the trailer at least partially along a length of the trailer, a second, rear gap being provided between a rear edge of the second side skirt wall and a forward-most position of a rear wheel of a rear wheel assembly of the trailer, the second, rear gap being between approximate 54 inches and approximately 102 inches; andallowing air to enter an undercarriage region below a floor assembly of the trailer adjacent the first side skirt system and through the first, front gap and allowing the air that entered the undercarriage region to exit the undercarriage region through the second, rear gap adjacent the second side skirt system when the trailer is in transit.
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