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특허 상세정보

Truck after-body drag reduction device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-035/00   
미국특허분류(USC) 296/180.4
출원번호 US-0235900 (2002-09-05)
발명자 / 주소
대리인 / 주소
    Price, Frank C.
인용정보 피인용 횟수 : 53  인용 특허 : 2
초록

To reduce the air drag on a moving truck-trailer a structure is mounted on the rear end of the trailer in a shape to encourage air penetration into the low pressure region behind the moving trailer by creating twin flows of air that fill the region directly behind the trailer. This inhibits the formation of vortices and reduces the severity of low pressure in the region. The basic form of the structure is a hollow pyramid with an open top and with its base against the rear trailer wall. There are two, open, side-by-side, deep, rectilinear cups with round...

대표
청구항

1. A structure mounted on the rear vertical surface of a truck trailer for the purpose of reducing the velocity- induced air drag of said trailer, said drag associated with air circulation behind the trailer and its attendant low pressure, comprising: an apparatus made of straight and curved material to form a hollow, four-sided, truncated pyramid, with lower edges said pyramid installed against said rear vertical surface, and the height of said pyramid extending in a horizontal direction, said pyramid open on its rearward end, said pyramid divided ve...

이 특허를 인용한 특허 피인용횟수: 53

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