A supercharger system includes a supercharger main housing enclosing one or more active components for moving air from an upstream side to a downstream side of the supercharger main housing. The system includes a supercharger inlet housing mounted at the upstream side of the supercharger main housin
A supercharger system includes a supercharger main housing enclosing one or more active components for moving air from an upstream side to a downstream side of the supercharger main housing. The system includes a supercharger inlet housing mounted at the upstream side of the supercharger main housing and a re-circulation line. The re-circulation line provides fluid communication between the downstream side of the supercharger main housing and the supercharger inlet housing. The line includes a flow diverter having first and second portions within the supercharger inlet housing. The first portion defines a first re-circulation flow direction and the second portion defines a second re-circulation flow direction. The second direction may be 45-135 degrees relative to the first recirculation direction.
대표청구항▼
1. A supercharger system comprising: a supercharger main housing enclosing one or more active components for moving air from an upstream side to a downstream side of the supercharger main housing;a supercharger inlet housing mounted at the upstream side of the supercharger main housing;a re-circulat
1. A supercharger system comprising: a supercharger main housing enclosing one or more active components for moving air from an upstream side to a downstream side of the supercharger main housing;a supercharger inlet housing mounted at the upstream side of the supercharger main housing;a re-circulation line that provides fluid communication between the downstream side of the supercharger main housing and the supercharger inlet housing; andthe supercharger system including multiple operating positions including an open operating position and a closed operating position; wherein in the open operating position recirculation air is allowed to flow through the re-circulation line from the downstream side of the supercharger main housing to the supercharger inlet housing, and in the closed operating position recirculation air is prevented from flowing through the re-circulation line; anda flow diverter being positioned within the supercharger inlet housing, the flow diverter remaining stationary throughout action of the multiple operating positions of the supercharger system such that the flow diverter has a constant configuration, location, and direction between conditions of the open and closed operating positions, the flow diverter having first and second portions within the supercharger inlet housing, the first portion defining a first re-circulation flow direction and the second portion defining a second re-circulation flow direction, the second re-circulation flow direction being angled relative to the first recirculation flow direction, the second portion being located at an outlet end of the re-circulation line, the second re-circulation flow direction maintaining a fixed orientation relative to a main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line as the supercharger system is moved between the open and closed operating positions, wherein the flow diverter includes a flow turning surface that provides a curved transition between the first and second portions such that recirculation air immediately exiting the second portion of the flow diverter has the same flow orientation as naturally aspirated air entering the supercharger. 2. The supercharger system of claim 1, wherein the first re-circulation flow direction is orthogonal with respect to a side wall of the supercharger inlet housing through which the first portion of the flow diverter extends, and wherein the second re-circulation flow direction is parallel to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 3. The supercharger system of claim 1, wherein the second re-circulation flow direction is angled 45-135 degrees relative to the first re-circulation flow direction. 4. The supercharger system of claim 1, wherein the second re-circulation flow direction is angled 60-120 degrees relative to the first re-circulation flow direction. 5. The supercharger system of claim 1, wherein the second re-circulation flow direction is angled 75-105 degrees relative to the first re-circulation flow direction. 6. The supercharger system of claim 1, wherein the second re-circulation flow direction is angled 90 degrees relative to the first re-circulation flow direction. 7. The supercharger system of claim 1, wherein the second re-circulation flow direction extends toward the upstream side of the supercharger main housing and is angled no more than 45 degrees relative to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 8. The supercharger system of claim 1, wherein the second re-circulation flow direction extends toward the upstream side of the supercharger main housing and is angled no more than 30 degrees relative to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 9. The supercharger system of claim 1, wherein the second re-circulation flow direction extends toward the upstream side of the supercharger main housing and is angled no more than 15 degrees relative to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 10. The supercharger system of claim 1, wherein the second re-circulation flow direction extends toward the upstream side of the supercharger main housing and is angled 90 degrees relative to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 11. The supercharger system of claim 1, wherein the outlet end of the re-circulation line faces in a downstream direction and wherein the second re-circulation flow direction is angled no more than 45 degrees relative to the main flow direction of naturally aspirated air through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 12. The supercharger system of claim 1, wherein the first portion and the second portion define an inlet plane or an outlet plane respectively, the first portion having a round cross-section that is surrounded by a flange, and the second portion having an oval cross-section. 13. The supercharger system of claim 1, further comprising a valve for opening and closing the re-circulation line. 14. The supercharger system of claim 13, wherein the downstream side of the supercharger main housing is in fluid communication with an intake of an engine, and wherein the supercharger system further includes a controller for opening the valve when the engine operates under low load conditions, and for closing the valve when the engine operates under high load conditions. 15. The supercharger system of claim 1, wherein the flow diverter is formed by a tubular body including a flange surrounding the first portion of the flow diverter to secure the flow diverter within a part of the supercharger inlet housing. 16. The supercharger system of claim 15, wherein the tubular body of the flow diverter has an open-sided, scoop-shaped configuration with a transverse cross-section profile that is U-shaped. 17. A supercharger system comprising: a supercharger having an inlet and an outlet;a re-circulation line that provides fluid communication between outlet and the inlet, the re-circulation line including a flow diverter having first and second portions within the inlet, the first portion defining a first re-circulation flow direction and the second portion defining a second re-circulation flow direction, the second re-circulation flow direction being angled relative to the first re-circulation flow direction, and the second portion being located at an outlet end of the re-circulation line; anda valve in the re-circulation line for opening and closing the re-circulation line, the flow diverter being positioned within the inlet of the supercharger and remaining stationary as the valve is opened and closed;wherein the second re-circulation flow direction maintains a fixed orientation relative to a main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line as the valve is opened and closed, andwherein the flow diverter includes a flow turning surface that provides a curved transition between the first and second portions such that recirculation air immediately exiting the second portion of the flow diverter has the same flow orientation as naturally aspirated air entering the supercharger. 18. The supercharger system of claim 17, wherein the second re-circulation flow direction is angled 45-135 degrees relative to the first re-circulation flow direction. 19. The supercharger system of claim 17, wherein the second re-circulation flow direction is angled 60-120 degrees relative to the first re-circulation flow direction. 20. The supercharger system of claim 17, wherein the second re-circulation flow direction is angled 75-105 degrees relative to the first re-circulation flow direction. 21. The supercharger system of claim 17, wherein the second re-circulation flow direction is angled 90 degrees relative to the first re-circulation flow direction. 22. The supercharger system of claim 17, wherein the outlet end of the re-circulation line faces in a downstream direction and wherein the second re-circulation flow direction is angled no more than 45 degrees relative to the main flow direction of naturally aspirated air through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 23. The supercharger system of claim 17, wherein the supercharger system further includes a controller for opening the valve when an engine operates under low load conditions, and for closing the valve when the engine operates under high load conditions. 24. The supercharger system of claim 17, wherein the first portion and the second portion define an inlet plane or an outlet plane respectively, the first portion having a round cross-section that is surrounded by a flange, and the second portion having an oval cross-section. 25. The supercharger system of claim 17, wherein the flow diverter is formed by a tubular body including a flange surrounding the first portion of the flow diverter to secure the flow diverter within a part of the supercharger inlet housing. 26. The supercharger system of claim 25, wherein the tubular body of the flow diverter has an open-sided, scoop-shaped configuration with a transverse cross-section profile that is U-shaped. 27. A supercharger system comprising: a supercharger having an inlet and an outlet;a re-circulation line that provides fluid communication between the outlet and the inlet, the re-circulation line including a terminal end portion that extends within the inlet, the terminal end portion being configured to direct re-circulation flow into the inlet of the supercharger along a re-circulation direction that is angled no more than 45 degrees relative to a main flow direction through the inlet of the supercharger; anda valve in the re-circulation line for opening and closing the re-circulation line, a flow diverter having first and second portions within the supercharger inlet housing and remaining stationary as the valve is moved between open and closed operating positions, the flow diverter defining the re-circulation direction, wherein the flow diverter includes a flow turning surface that provides a curved transition between the first and second portions such that recirculation air immediately exiting the second portion of the flow diverter has the same flow orientation as naturally aspirated air entering the supercharger. 28. The supercharger system of claim 27, wherein the re-circulation direction extends toward the upstream side of the supercharger main housing and is angled no more than 30 degrees relative to the main flow direction through the supercharger inlet housing at the location of the outlet end of the re-circulation line. 29. The supercharger system of claim 27, wherein the supercharger system further includes a controller for opening the valve when an engine operates under low load conditions, and for closing the valve when the engine operates under high load conditions. 30. The supercharger system of claim 27, wherein the first portion and the second portion define an inlet plane or an outlet plane respectively, the first portion having a round cross-section that is surrounded by a flange, and the second portion having an oval cross-section. 31. The supercharger system of claim 27, wherein the flow diverter is formed by a tubular body including a flange surrounding the first portion of the flow diverter to secure the flow diverter within a part of the supercharger inlet housing. 32. The supercharger system of claim 21, wherein the tubular body of the flow diverter has an open-sided, scoop-shaped configuration with a transverse cross-section profile that is U-shaped.
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이 특허에 인용된 특허 (2)
Johnson Kenneth A. (15236 Tacoma St. Detroit MI 48205), Air diverter for supercharger.
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