Abstract: A drag reduction apparatus for mounting at the rear of a trailer. The apparatus includes a first unit which is secured to the first door of the trailer and a second unit which is secured to the second door of the trailer. Each of the units includes an upper panel, an intermediate panel and a lower panel. The units are selectively movable between a stowed position and a deployed position.

Abstract: An air deflector for use with a trailer having a forwardly facing front wall with a top edge and a refrigeration unit mounted on the front wall with the refrigeration unit having an upper end positioned below the top edge of the front wall of the trailer. The air deflector includes a body member having a forward end, a rearward end, a first side and a second side. The forward end of the body member is secured to the upper end of the refrigeration unit. The rearward end of the body member is secured to the front wall of the trailer at the top edge thereof. The air deflector may also be used with a straight truck having a refrigerated van.

Abstract: An aerodynamic reducer for a trailer comprising one or more sheet members which are secured to the lower ends of at least some of the cross-members positioned beneath the floor of the trailer. The sheet members enclose the space between at least some of the cross-members.

Abstract: An aerodynamic reducer for a trailer comprising one or more sheet members which are secured to the lower ends of at least some of the cross-members positioned beneath the floor of the trailer. The sheet members enclose the space between at least some of the cross-members.

Abstract: An aerodynamically-shaped fuel tank is provided for a refrigeration unit mounted on the forward end of a truck body. The fuel tank includes a cylindrical main body portion having forward and rearward ends. An aerodynamically-shaped nose portion extends forwardly and upwardly from the forward end of the main body portion. An aerodynamically-shaped tail portion extends rearwardly and upwardly from the rearward end of the main body portion.

Abstract: An aerodynamic drag reducer in the form of an air deflector fairing is provided for a trailer which is secured to the lower ends of each of the lower side rails of the trailer. Each of the fairings have upper outer ends which are secured to the respective lower side rail and which extends downwardly and inwardly therefrom, then upwardly and inwardly therefrom and then inwardly therefrom. The inner ends of the fairings are secured to the cross-members of the trailer. The drag reducers of this invention reduce the turbulence experienced by cross-winds subjected to the trailer thereby reducing the aerodynamic drag of the cross-winds.

Abstract: A drag reduction device secured to each of the top rails of a wheeled cargo van body or container which covers the recess formed in the outer side of the top rail.

Abstract: A drag reduction device secured to each of the top rails of a wheeled cargo van body or container which covers the recess formed in the outer side of the top rail.

Abstract: An aerodynamically-shaped fuel tank is provided for a refrigeration unit mounted on the forward end of a truck body. The fuel tank includes a cylindrical main body portion having forward and rearward ends. An aerodynamically-shaped nose portion extends forwardly and upwardly from the forward end of the main body portion. An aerodynamically-shaped tail portion extends rearwardly and upwardly from the rearward end of the main body portion.

Abstract: A drag reduction device for a trailer comprising a generally U-shaped upstanding wall means having a floor secured to the lower end thereof. The device is secured to the underside of the trailer so that the rearward end of the device is positioned just forwardly of the forward end of the rear wheel assembly of the trailer. In one embodiment, the device is coupled to the slider axle of the trailer so that the device is moved forwardly and rearwardly with the slider axle.

Abstract: Foldable cab extenders are disclosed which are secured to the rearward ends of fixed cab extenders secured to the opposite rearward sides of a tractor cab. Each of the foldable cab extenders includes a forward panel member, an intermediate panel member and a rearward panel member with the forward panel member being secured to the associated fixed cab extender and with the intermediate panel member and the forward panel member being hingedly secured together and with the rearward panel member being hingedly secured to the intermediate panel member. The cab assemblies are selectively movable between a deployed position to a stowed position and vice versa. Actuators are operatively connected to the intermediate panel members and to the rearward panel members to enable the assemblies to be pivotally moved between their stowed and deployed positions. The actuators may be hydraulic or pneumatic cylinders or electrically driven devices.

Abstract: Foldable cab extenders are disclosed which are secured to the rearward ends of fixed cab extenders secured to the opposite rearward sides of a tractor cab. Each of the foldable cab extenders includes a forward panel member, an intermediate panel member and a rearward panel member with the forward panel member being secured to the associated fixed cab extender and with the intermediate panel member and the forward panel member being hingedly secured together and with the rearward panel member being hingedly secured to the intermediate panel member. The cab assemblies are selectively movable between a deployed position to a stowed position and vice versa. Actuators are operatively connected to the intermediate panel members and to the rearward panel members to enable the assemblies to be pivotally moved between their stowed and deployed positions. The actuators may be hydraulic or pneumatic cylinders or electrically driven devices.