| 摘要 |
TRUCK CAB VENTILATOR A ventilator is disclosed for use on a pick-up truck cab with a rear slider window. The ventilator is a rectangular section duct that extends from a forwardly opening inlet above the cab roof to an open discharge confronting the rear slider window. As the truck travels forwards, air is taken up by the scooping action of the inlet and is delivered through the rear slider window by the discharge opening. The air is preferably discharged upwardly towards the roof of the cab to create a circulation of air across the roof, down the front of the cab and back through the lower portion of the cab to a discharge through the open lower section of the slider window. The discharge of the duct is behind the rear window so that the window will function in the normal way.
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