Heating and ventilation systems of vehicles专利检索-发散冷却空气动力学专利检索查询-专利查询网

Heating and ventilation systems of vehicles

阅读：625发布：2021-10-08

专利汇可以提供Heating and ventilation systems of vehicles专利检索，专利查询，专利分析的服务。并且In this automotive heating and ventilation system comprising a fan, a heat exchanger connected to the engine-cooling water circuit a distributor chamber disposed beneath the windshield and formed in a transverse beam of the vehicle structure and communicating with the passengers'' compartment through windshield demisting orifices and through a transverse passage substantially level with the floor, an air inlet box, the fan, a divergent pressurizing chamber and the exchanger constitute an air fan unit mounted at one end of said beam, the latter being divided into two compartments by a horizontal partition leaving a passage between these compartments, the warm water from the engine cooling system circulating upwards through said heat exchanger of which the height corresponds substantially to the beam height.，下面是Heating and ventilation systems of vehicles专利的具体信息内容。

权利要求

1. A heating and ventilating device for a vehicle having a water cooling system for the engine thereof, a hood, a passenger compartment and a windscreen, said device comprising a hollow beam disposed across the vehicle below the lower edge of the windscreen, a partition having a width less than the internal cross section of the beam extending longitudinally through the beam and partially separating the interior thereof into upper and lower compartments, means comprising an aperture in said beam for directing air from the upper compartment against the windscreen, means comprising a duct depending from said beam towards the floor of the passenger compartment and an aperture in the beam communicating with said duct for directing air from the said lower compartment into the passenger compartment adjacent its floor, and means disposed under the hood for moving air through the beam comprising a conduit having an intake end and an outlet end, said outlet end being attached to said beam, an aperture in said beam having dimensions corresponding substantially with the combined height of said upper and lower compartments and communicating with said conduit, a helicoid fan disposed in the conduit between the intake and outlet ends to move air towards the outlet end, a heat exchanger in the conduit between the fan and said outlet end comprising a hairpin shaped conduit having one leg thereof above the other, means communicating between the water cooling system of the vehicle and said hairpin shaped conduit for flow of fluid into the lower leg and out the upper leg thereof, said conduit having a divergent pressure chamber disposed between the fan and the heat exchanger.

2. The device of claim 1 wherein said duct depending from the beam extends substantially throughout the width of the vehicle compartment and comprises an area of reduced cross section adapted to accelerate air flow therethrough and said aperture communicating therewith is provided with a shutter for varying the dimensions thereof.

3. The device of claim 1 wherein said means for directing air against the windscreen comprises a plurality of spaced apertures along the bottom edge of the windscreen and each aperture is progressively larger than the adjacent aperture disposed between it and said means for moving air into the beam.

4. The device of claim 2 wherein said means for directing air against the windscreen comprises a plurality of spaced apertures along the bottom edge of the windscreen and each aperture is progressively larger than the adjacent aperture disposed between it and said means for moving air into the beam.

5. The device of claim 1 wherein the aperture which communicates with the dependent duct is divided into a plurality of openings and a shutter pivotally mounted in the said lower compartment is adapted to open and close said aperture.

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Heating and ventilation systems of vehicles

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