A gas intake device for letting gases into an inlet volume of a cylinder head of a motor vehicle combustion engine includes a valve (10) for supplying the cylinder head with gas, this valve communicating with the inlet volume of the cylinder head directly and indirectly via a heat exchanger (14). Th
A gas intake device for letting gases into an inlet volume of a cylinder head of a motor vehicle combustion engine includes a valve (10) for supplying the cylinder head with gas, this valve communicating with the inlet volume of the cylinder head directly and indirectly via a heat exchanger (14). The valve (10) and the heat exchanger (14) are mounted on a plate (21) intended to be mounted directly on the cylinder head. The device is compact and relatively insensitive to vibration.
대표청구항▼
1. A gas intake device for allowing gases into an inlet volume of a cylinder head of a motor vehicle combustion engine, the gas intake device comprising: a heat exchanger;a valve configured to supply the cylinder head with gas, the valve communicating with the inlet volume of the cylinder head direc
1. A gas intake device for allowing gases into an inlet volume of a cylinder head of a motor vehicle combustion engine, the gas intake device comprising: a heat exchanger;a valve configured to supply the cylinder head with gas, the valve communicating with the inlet volume of the cylinder head directly and indirectly via the heat exchanger; anda plate having a front face, a rear face directly opposite to the front face, a first aperture, and a second aperture, the first and second apertures being formed between the front face and the rear face, the plate being configured to be mounted directly on the cylinder head, the valve and the heat exchanger being mounted on the plate, the valve being mounted to the first aperture of the plate through which gas passes directly from the valve into the cylinder head, the heat exchanger being mounted to the second aperture of the plate through which gas passes directly from the heat exchanger into the cylinder head, the valve and the heat exchanger being mounted at the rear face of the plate directly opposite to the front face of the plate at which the plate is to be mounted directly on the cylinder head. 2. The device according to claim 1, wherein the valve is a double valve comprising an inlet duct, a direct-outlet duct mounted on the plate and opening directly into the inlet volume of the cylinder head, and an indirect-outlet duct, opening into an inlet box of the heat exchanger, the inlet box being mounted directly on the heat exchanger. 3. The device according to claim 1, wherein the heat exchanger and the plate form the structural element of the intake device. 4. The device according to claim 1, wherein the plate is made of a solid material, the apertures being formed to allow fluidic communication with the inlet volume of the cylinder head. 5. The device according to claim 2, wherein the plate is made of a metallic material that has a thermal conductivity suited to allowing heat exchanges between the valve and the cylinder head, the metallic material being one of steel, aluminum alloy or aluminum. 6. The device according to claim 5, wherein the double valve comprises cooling fins at least in the region of the direct-outlet duct (10b), on the external surface thereof. 7. The device according to claim 5, wherein the cooling fins are positioned on the internal surface of the inlet box of the heat exchanger in order to precool gas flowing through the inlet box. 8. The device according to claim 1, wherein the plate and the heat exchanger are formed as an integral entity. 9. The device according to claim 1, wherein the front and rear faces are at an angle to one another. 10. A motor vehicle combustion engine, comprising: a combustion chamber;a cylinder head with an inlet volume; andthe gas intake device of claim 1 configured to allow gases into the inlet volume of the cylinder head. 11. The device according to claim 2, wherein the heat exchanger and the plate form the structural element of the intake device. 12. The device according to claim 2, wherein the plate is made of a solid material, the apertures being formed to allow fluidic communication with the inlet volume of the cylinder head. 13. The device according to claim 1, wherein the plate is made of a metallic material that has a thermal conductivity suited to allowing heat exchanges between the valve and the cylinder head, the metallic material being one of steel, aluminum alloy or aluminum. 14. A gas intake device for allowing gases into an inlet volume of a cylinder head of a motor vehicle combustion engine, the gas intake device comprising: a valve configured to supply the cylinder head with gas, the valve communicating with the inlet volume of the cylinder head directly through a direct outlet duct of the valve and indirectly via a heat exchanger, the valve and the heat exchanger being mounted on a plate configured to be mounted directly on the cylinder head, the plate including a first aperture through which gas passes directly from the valve into the cylinder head, the direct outlet duct being fitted around the first aperture, anda second aperture through which gas passes directly from the heat exchanger into the cylinder head, dimensions of the second aperture corresponding to dimensions of an outlet section of the heat exchanger,wherein the valve and the heat exchanger are mounted at a rear face of the plate directly opposite to a front face of the plate at which the plate is to be mounted directly on the cylinder head. 15. A gas intake device for allowing gases into an inlet volume of a cylinder head of a motor vehicle combustion engine, the gas intake device comprising: a valve configured to supply the cylinder head with gas, the valve communicating with the inlet volume of the cylinder head directly and indirectly via a heat exchanger, the valve and the heat exchanger being mounted at a rear face of a plate directly opposite to a front face of the plate at which the plate is configured to be mounted directly on the cylinder head, the valve being a double valve comprising an inlet duct,a direct outlet duct, the direct outlet duct being mounted to a first aperture of the plate through which gas passes directly from the valve into the cylinder head, the direct outlet duct opening directly into the cylinder head, andan indirect outlet duct, the indirect outlet duct opening into an inlet box of the heat exchanger, the heat exchanger being mounted to a second aperture of the plate through which gas passes through the indirect outlet duct to the heat exchanger and directly from the heat exchanger into the cylinder head. 16. The device according to claim 15, wherein the first aperture allows for fluidic communication between the double valve and the inlet volume, and the second aperture allows for fluidic communication between the heat exchanger and said inlet volume, dimensions of the second aperture corresponding to dimensions of an outlet section of the heat exchanger. 17. The device according to claim 1, wherein the heat exchanger is affixed to the plate by first fasteners, and the valve is affixed to the plate by second fasteners. 18. The device according to claim 17, wherein the first fasteners are configured to fix the plate on the cylinder head. 19. The device according to claim 1, wherein the plate is less than 3 cm thick. 20. The device according to claim 1, wherein the valve and the heat exchanger are directly mounted onto the plate.
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이 특허에 인용된 특허 (6)
Maier Karl (Karlsfeld DEX) Grss Helmut (Esterhofen DEX) Greune Christian (Frstenfeldbruck DEX), Assembly of a heat exchanger on a gas turbine engine.
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