Drag reducer for land vehicles

Details Drag reducer for land vehicles Drag reducer for land vehicles

1975-12-12

1977-07-12

Goodman, Philip

Land vehicles: bodies and tops

Bodies

Accessories

105 2R, B62D 3500

Patent

active

040350134

ABSTRACT:
A drag reducer for a gap in a land vehicle moving through air which consists of a retractable or articulated baffle, spanning approximately the entire distance of the gap. The drag reducer can be used on all land vehicles and is readily adaptable for use on railroad box cars, truck semitrailers, full trailers in tandem and vehicles towed by cars. The drag reducer can take the form of a fin mounted rigidly or with articulated joint or flexible material to allow for movement between the leading and trailing vehicles. It may also be of a retractable nature, such as an accordian arrangement, a roll-up screen, an inflatable fin, a folding plate, etc. The unit may be attached primarily to either the lead vehicle or trailing vehicle or both, however, in the case of tractor-trailer trucks, the bulk of the device is better kept with the tractor unit, because there are approximately one-third the number of tractors compared to trailers, resulting in substantial savings in the cost of equipping fleets of tractor-trailer rigs.

REFERENCES:
patent: 1109744 (1914-09-01), Emery
patent: 1119499 (1914-12-01), Donaldson
patent: 3834752 (1974-09-01), Cook
patent: 3951445 (1976-04-01), Tatom

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