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US 8,474,558 B2Granted
Engine intake passage structure of front vehicle body
AssigneeMazda Motor Corporation
InventorsTakahide Ohira, Seiji Gono, Dai Yoshimura, Yukari Urata
Life of this patent
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Abstract
There is provided a duct, an inlet portion of which is disposed so as to be exposed to an upper-side portion of an air intake opening and an outlet portion of which connects to an inlet of an intake passage of an engine. There can be provided an engine intake passage structure of a front vehicle body which can properly reduce a risk of the water coming into the inlet of the intake passage of the engine even when the vehicle travels on the flooded road.
Claims9
An engine intake passage structure of a front vehicle body, comprising:
- an intake passage of an engine, an inlet of which is disposed above a heat exchanger which is provided at a front portion of a vehicle body;
- an air intake opening to introduce outside air therein, the air intake opening being formed at a specified portion of a bumper fascia which forms an outer face of the front portion of the vehicle body, the specified portion facing to the heat exchanger;
- and
- a duct to guide the outside air, an inlet portion of which is disposed so as to be exposed to an upper-side portion of the air intake opening and an outlet portion of which connects to the inlet of the intake passage of the engine,
- wherein said duct includes a crank-shaped bending portion where the outside air introduced therein from the inlet portion thereof is guided upward and then rearward toward the outlet portion thereof in a side view of the vehicle body, and an eaves portion is provided at a corner portion of the crank-shaped bending portion such that the eaves portion projects forward from the corner portion so as to trap water coming in from the inlet portion of the duct therewith and make the water drop therefrom.
2 more elements
An engine intake passage structure of a front vehicle body, comprising:
- an intake passage of an engine, an inlet of which is disposed above a heat exchanger which is provided at a front portion of a vehicle body;
- an air intake opening to introduce outside air therein, the air intake opening being formed at a specified portion of a bumper fascia which forms an outer face of the front portion of the vehicle body, the specified portion facing to the heat exchanger;
- and
- a duct to guide the outside air, an inlet portion of which is disposed so as to be exposed to an upper-side portion of the air intake opening and an outlet portion of which connects to the inlet of the intake passage of the engine,
- wherein said duct includes a crank-shaped bending portion where the outside air introduced therein from the inlet portion thereof is guided upward and then rearward toward the outlet portion thereof in a side view of the vehicle body, and an eaves portion is provided at a corner portion of the crank-shaped bending portion such that the eaves portion projects forward from the corner portion so as to trap water coming in from the inlet portion of the duct therewith and make the water drop therefrom,
- said air intake opening is formed so as to extend outward in a vehicle width direction beyond the heat exchanger in an elevation view of a vehicle, and said inlet portion of the duct is disposed so as to be exposed to a portion of the air intake opening which is positioned outside of the heat exchanger,
- said inlet portion of the duct comprises a plurality of inlets which are disposed away from each other in a vehicle width direction, and there is provided a connection portion which connects downstream portions of the plural inlets and extends in the vehicle width direction at a positioned which is above the inlets of the duct and below said inlet of the intake passage of the engine.
4 more elements
Dependencies are inferred from the claim text.