IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0116459
(2015-02-03)
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등록번호 |
US-9969445
(2018-05-15)
|
우선권정보 |
SE-1450133 (2014-02-07) |
국제출원번호 |
PCT/EP2015/052160
(2015-02-03)
|
국제공개번호 |
WO2015/117940
(2015-08-13)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
A trailer (10) and a side skirt (19), each comprising an integrated arrangement (60, 70, 80) for reducing air drag, are provided. Each arrangement (60, 70, 80) comprises means for receiving air (60) comprising at least one air inlet (6), means for ejecting air (70) comprising at least one air outlet
A trailer (10) and a side skirt (19), each comprising an integrated arrangement (60, 70, 80) for reducing air drag, are provided. Each arrangement (60, 70, 80) comprises means for receiving air (60) comprising at least one air inlet (6), means for ejecting air (70) comprising at least one air outlet (7) facing downwards. The means for ejecting air (70) are arranged along a lower edge (11) of the trailer cargo housing (16) and side skirt (19) respectively. The arrangement also comprises means for conveying air (80) comprising at least one air duct (8). The means for conveying air (80) extend between the air receiving means (60) and the air ejecting means (70). The arrangement (60, 70, 80) is configured to produce a screen of air from the lower edge (11) and downwards during travel. The air screen prevents air, especially side wind, from entering the undercarriage. Especially the arrangement (60, 70, 80) in the cargo housing (16) prevents air from entering in the gap between the truck and trailer at the connection (17) between the truck and trailer, and the arrangement of the side skirt (19) prevents air from entering in the gap between the side skirt (19) and the road.
대표청구항
▼
1. A trailer (10) for a truck, comprising a body (1) having a first side (4), and a second side (5), which first and second sides (4, 5) are essentially vertical and extends in the longitudinal direction of the body (1), and comprising an arrangement (60, 70, 80) for reducing air drag integrated in
1. A trailer (10) for a truck, comprising a body (1) having a first side (4), and a second side (5), which first and second sides (4, 5) are essentially vertical and extends in the longitudinal direction of the body (1), and comprising an arrangement (60, 70, 80) for reducing air drag integrated in the body (1), the arrangement (60, 70, 80) for reducing air drag comprises at least one air inlet (6);at least one air outlet (7) facing downwards, said at least one air outlet (7) being arranged along a lower edge (11) of one of the sides (4, 5) of the body (1); andat least one air duct (8) that extends between the at least one air inlet (6) and the at least one air outlet (7) and provides at least one air passage from the at least one air inlet (6) to the at least one air outlet (7),wherein the arrangement (60, 70, 80) for reducing air drag is configured to produce a screen of air from the lower edge (11) and downwards during travel,wherein at least one air outlet (7) is designed as an elongated slot (18) extending in the longitudinal direction of the body (1). 2. The trailer (10) according to claim 1, wherein the trailer (10) comprises a truck connection (17) and wherein the at least one air outlet (7) is arranged along a first portion (11A) of the lower edge (11), which first portion (11A) extends above the truck connection (17). 3. The trailer (10) according to claim 2, wherein the at least one air outlet (7) extends a distance of between 1 m and 3 m along the first portion (11A) in the longitudinal direction of the body (1), and/or has a width of less than 10 cm, such as between 0.5 cm and 5 cm, in the lateral direction of the body (1). 4. The trailer (10) according to claim 2, wherein the arrangement (60, 70, 80) comprises a plurality of the air outlets (7) designed as elongated slots (18), and wherein the plurality of the air outlets (7) are arranged in sequence along the first portion (11A). 5. The trailer (10) according to claim 1, wherein the body (1) comprises a cargo housing (16) and a side skirt (19) arranged below the cargo housing (16) and wherein the at least one air outlet (7) is arranged along a second portion (11B) of the lower edge (11), which second portion (11B) is provided in the side skirt (19). 6. The trailer (10) according to claim 5, wherein the trailer (10) comprises at least one wheel arrangement (13), and the at least one air outlet extends along the second portion (11B) a distance of at least 1 m in front of the at least one wheel arrangement (13) in the longitudinal direction of the body (1). 7. The trailer (10) according to claim 5, wherein the trailer comprises at least one wheel arrangement (13), the side skirt (19) being arranged on the outer side of the at least one wheel arrangement (13), and wherein the second portion (11B) extends outside at least one wheel of the at least one wheel arrangement (13), especially outside the rearmost wheel of the wheel arrangement (13). 8. The trailer (10) according to claim 5, wherein the at least one air outlet (7) extends a distance of more than 50%, such as more than 80%, of the length of the side skirt (19) in the longitudinal direction of the body (1); and/or has a width of less than 10 cm, such as between 0.5 cm and 5 cm, in the lateral direction of the body (1). 9. The trailer (10) according to claim 5, wherein the arrangement (60, 70, 80) comprises a plurality of the air outlets (7) designed as elongated slots (18), and wherein the plurality of the air outlets (7) are arranged in sequence along the second portion (11B). 10. The trailer according to claim 9, wherein arrangement (60, 70, 80) comprises a plurality of the air inlets (6) and a plurality of the air ducts (8), and wherein each one of the air ducts (8) is arranged to provide an air passage from a respective one of the air inlets (6) to a respective one of the air outlets (7). 11. The trailer according to claim 1, wherein the trailer (10) comprises a truck connection (17), the body (1) comprises cargo housing (16) and a side skirt (19), which side skirt (19) is arranged below the cargo housing (16),and wherein the at least one air outlet (7) is arranged along a first portion (11A) and along a second portion (11B) of the lower edge (11), which first portion (11A) extends above the truck connection (17) and which second portion (11B) is provided in the side skirt (19). 12. The trailer (10) according to claim 1, wherein at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is equal to the width of the air duct (8), so that an air passage of constant width is provided. 13. The trailer (10) according to claim 1, wherein at least a main portion (82) of at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is smaller than the width of the main portion, so that a narrowing air passage is provided. 14. The trailer (10) according to claim 13, wherein a transition portion (81) is provided between the main portion (82) and the at least one air outlet (7) having a width smaller than the main portion (82). 15. The trailer (10) according to claim 1, wherein the at least one air inlet (6) is provided with a valve (20), and said trailer (10) comprising an adjusting assembly (21), that is operably connected to the valve (20) and arranged to selectively admit air to enter into and flow through the air duct (8). 16. The trailer (10) according to claim 15, wherein the adjusting assembly (21) is adapted to control the valve (20) as a response to an indication of side wind provided by a wind sensing arrangement (22). 17. The trailer (10) according to claim 16, wherein the adjusting assembly (21) is adapted to open the valve (2) when the wind sensing arrangement (22) indicates that the air inlet (6) is located at the windward side of the trailer (10). 18. The trailer (10) according to claim 17, wherein the adjusting assembly (21) is adapted to partly open the valve (6) when the wind sensing arrangement (22) indicates that the side wind exceeds a pre-defined first threshold angle. 19. The trailer (10) according to claim 16, wherein the adjusting assembly (21) is adapted to fully open the valve (6) when the wind sensing arrangement (22) indicates that the side wind exceeds a pre-defined second threshold angle. 20. A side skirt (19) for attachment below a cargo housing (16) of a trailer (10) to prevent air from entering below the cargo housing (16) and create air drag by interfering with the undercarriage of the trailer (10), said side skirt (19) being provided with an arrangement (60, 70, 80) for reducing air drag, which arrangement (60, 70, 80) is integrated into the side skirt (19) and comprises: at least one air inlet (6);at least one air outlet (7) facing downwards, said at least one air outlet (7) being arranged along a portion (11B) of a lower edge (11) of the side skirt (19); andat least one air duct (8) extending between the at least one air inlet (6) and the at least one air outlet (7) and providing at least one air passage from the at least one air inlet (6) to the at least one air outlet (7),wherein the arrangement (60, 70, 80) for reducing air drag is configured to produce a screen of air during travel with the side skirt (19) attached to a trailer (10), which screen of air extends from the lower edge portion (11B) towards a road surface. 21. The side skirt (19) according to claim 20, wherein the at least one air outlet (7) extends a distance of more than 50%, such as more than 80%, of the length of the side skirt (19) in the longitudinal direction of the side skirt (19); and/or has a width of less than 10 cm, such as between 0.5 cm and 5 cm in the lateral direction of the side skirt (19). 22. The side skirt (19) according to claim 20, wherein the arrangement (60, 70, 80) comprises a plurality of the air outlets (7) designed as elongated slots (18), and wherein the plurality of the air outlets (7) are arranged in sequence along the lower edge portion (11B). 23. The side skirt (19) according to claim 22, wherein the arrangement (60, 70, 80) comprises a plurality of the air inlets (6), and comprises a plurality of the air ducts (8), and wherein each one of the air ducts (8) is arranged to provide an air passage from a respective one of the air inlets (6) to a respective one of the air outlets (7). 24. The side skirt (19) according to claim 20, wherein at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is equal to the width of the air duct (8), so that an air passage of constant width is provided. 25. The side skirt (19) according to claim 20, wherein at least a main portion (82) of at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is smaller than the width of the main portion, so that a narrowing air passage is provided. 26. The side skirt (19) according to claim 25, wherein a transition portion (81) is provided between the main portion (82) and the at least one air outlet (7) having a width smaller than the main portion (82). 27. The side skirt (19) according to claim 20, wherein the at least one air inlet (6) is provided with a valve (20), and wherein the side skirt (19) comprises an adjusting assembly (21) that is operably connected to the valve (20) and arranged to selectively admit air to enter into and flow through the air duct (8). 28. The side skirt (19) according to claim 27, wherein the adjusting assembly (21) is adapted to control the valve (20) as a response to an indication of side wind provided by a wind sensing arrangement (22). 29. The side skirt (19) according to claim 28, wherein the adjusting assembly (21) is adapted to open the valve (2) when the wind sensing arrangement (22) indicates that the air inlet (6) is located at the windward side of the trailer (10). 30. The side skirt (19) according to claim 29, wherein the adjusting assembly (21) is adapted to partly open the valve (6) when the wind sensing arrangement (22) indicates that the side wind exceeds a pre-defined first threshold angle. 31. The side skirt (19) according to claim 28, wherein the adjusting assembly (21) is adapted to fully open the valve (6) when the wind sensing arrangement (22) indicates that the side wind exceeds a pre-defined second threshold angle. 32. A trailer (10) for a truck, comprising a body (1) having a first side (4), and a second side (5), which first and second sides (4, 5) are essentially vertical and extends in the longitudinal direction of the body (1), and comprising an arrangement (60, 70, 80) for reducing air drag integrated in the body (1), the arrangement (60, 70, 80) for reducing air drag comprises at least one air inlet (6);at least one air outlet (7) facing downwards, said at least one air outlet (7) being arranged along a lower edge (11) of one of the sides (4, 5) of the body (1); andat least one air duct (8) that extends between the at least one air inlet (6) and the at least one air outlet (7) and provides at least one air passage from the at least one air inlet (6) to the at least one air outlet (7),wherein the arrangement (60, 70, 80) for reducing air drag is configured to produce a screen of air from the lower edge (11) and downwards during travel, wherein at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is equal to the width of the air duct (8), so that an air passage of constant width is provided. 33. A trailer (10) for a truck, comprising a body (1) having a first side (4), and a second side (5), which first and second sides (4, 5) are essentially vertical and extends in the longitudinal direction of the body (1), and comprising an arrangement (60, 70, 80) for reducing air drag integrated in the body (1), the arrangement (60, 70, 80) for reducing air drag comprises at least one air inlet (6);at least one air outlet (7) facing downwards, said at least one air outlet (7) being arranged along a lower edge (11) of one of the sides (4, 5) of the body (1); andat least one air duct (8) that extends between the at least one air inlet (6) and the at least one air outlet (7) and provides at least one air passage from the at least one air inlet (6) to the at least one air outlet (7), wherein the arrangement (60, 70, 80) for reducing air drag is configured to produce a screen of air from the lower edge (11) and downwards during travel, wherein at least a main portion (82) of at least one air duct (8) has a constant width in the lateral direction of the body (1), and wherein the width of at least one air outlet (7) is smaller than the width of the main portion, so that a narrowing air passage is provided. 34. A trailer (10) for a truck, comprising a body (1) having a first side (4), and a second side (5), which first and second sides (4, 5) are essentially vertical and extends in the longitudinal direction of the body (1), and comprising an arrangement (60, 70, 80) for reducing air drag integrated in the body (1), the arrangement (60, 70, 80) for reducing air drag comprises at least one air inlet (6);at least one air outlet (7) facing downwards, said at least one air outlet (7) being arranged along a lower edge (11) of one of the sides (4, 5) of the body (1); andat least one air duct (8) that extends between the at least one air inlet (6) and the at least one air outlet (7) and provides at least one air passage from the at least one air inlet (6) to the at least one air outlet (7), wherein the arrangement (60, 70, 80) for reducing air drag is configured to produce a screen of air from the lower edge (11) and downwards during travel, wherein the at least one air inlet (6) is provided with a valve (20), and said trailer (10) comprising an adjusting assembly (21), that is operably connected to the valve (20) and arranged to selectively admit air to enter into and flow through the air duct (8).
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