Patent ID: 8820450
Filing Date: 2014-09-02
Classification: B60K,B60R,B60W,E02F,F01P

Abstract:
1. A wheel loader comprising: a cooling chamber that houses a cooling fan and a cooling device; and a grill through which a cooling air flowing toward the cooling chamber flows, the grill comprising a frame provided by framing four side components comprising vertical frame members oriented generally along a vertical direction and horizontal frame members oriented generally along a horizontal direction, and a ventilation portion provided in the frame by a punching metal with a plurality of air intakes, the ventilation portion being a stepwise member having a vertically arranged plurality of steps, the plurality of steps including a plurality of face sections that are interposed by alternating ridge and valley portions, the ventilation portion having a three-dimensionally curved surface bulging toward an outside of the cooling chamber along both the vertical and horizontal directions, wherein each of a bending angle of the ridge portion and a bending angle of the valley portion is obtuse, and wherein each vertical length of a first of the plurality of face sections that are positioned immediately vertically below the valley portions is greater than each vertical length of a second of the plurality of face sections that are positioned immediately vertically above the valley portions.