IMPROVEMENTS IN THE FUEL EFFICIENCY OF ROAD VEHICLES

摘要

A road haulage trailer (810) has tail deflectors (896) for directing air flow to a region (829) behind the trailer during forward movement of the trailer. The tail deflectors (896) protrude from the sides (822) of the trailer and extend beyond the rear end (825) of the trailer. The deflectors (896) define a guide surface that is angled or curved towards a region (829) behind the rear end (825) of the trailer (810) and is a continuation of the side (22) of the trailer.

主权项

1. A road haulage trailer comprising: a roof, a front end, a rear end, and two side faces extending between the front and rear ends;
wherein the trailer is provided with tail deflectors for directing air flow to a region behind the trailer during forward movement of the trailer; wherein a first of said tail deflectors protrudes from one of said side faces, and a second of said tail deflectors protrudes from the other of said side faces; further wherein each tail deflector extends rearwardly beyond the rear end of the trailer, and includes an air guide surface extending from a respective side wall of the trailer and having a rear portion angled or curved towards a region behind the rear end of the trailer.