An inertial separator includes an inlet portion connected to a Y-junction having a first conduit fluidly extending therefrom and a second conduit fluidly extending therefrom. A separator wall is disposed between and along at least a portion of the first and second conduits. The separator wall has a
An inertial separator includes an inlet portion connected to a Y-junction having a first conduit fluidly extending therefrom and a second conduit fluidly extending therefrom. A separator wall is disposed between and along at least a portion of the first and second conduits. The separator wall has a tip extending into the Y-junction between an inlet to the first conduit and an inlet to the second conduit. An angle is formed between a major longitudinal dimension of the separator wall and the inlet portion centerline, and a ramp is formed adjacent the second end of the generally straight inlet portion, upstream of the Y-junction in a direction of airflow from the inlet opening towards the first and second outlets. During operation, debris entering the inlet portion is separated from an airflow and exits the through the second conduit while air exits through the first conduit.
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1. An air cleaner for an internal combustion engine, comprising: a housing forming a first chamber and a second chamber, the first and second chambers being physically separate;an air filter disposed within the first chamber;an outlet pipe extending through the housing and associated with the air fi
1. An air cleaner for an internal combustion engine, comprising: a housing forming a first chamber and a second chamber, the first and second chambers being physically separate;an air filter disposed within the first chamber;an outlet pipe extending through the housing and associated with the air filter such that air from the first chamber enters the outlet pipe through the air filter;an inertial separator having an inlet, a first outlet, and a second outlet, the inlet configured to draw air into the inertial separator, the first outlet disposed in fluid communication with the first chamber, and the second outlet disposed in fluid communication with the second chamber,wherein, during operation, debris that may enter the air cleaner entrained in an air flow through the inlet may separate from the air flow and collect in the second chamber, the air flow passing into the first chamber; andwherein the inertial separator comprises:an inlet portion that is generally straight, the inlet portion forming the inlet at one end and having a centerline;a Y-junction fluidly connected at a second end of the inlet portion;a first conduit forming the first outlet at one end and being fluidly connected to the inlet portion at the Y-junction;a second conduit forming the second outlet at one end and being fluidly connected to the inlet portion at the Y-junction;wherein an angle is formed between a major longitudinal dimension of the separator wall and the inlet portion centerline; andwherein a ramp is formed adjacent the second end of the generally straight inlet portion, upstream of the Y-junction in a direction of airflow from the inlet opening towards the first and second outlets. 2. The air cleaner of claim 1, further comprising a separator wall disposed between and along at least a portion of the first and second conduits, the separator wall having a tip extending into the Y-junction between an inlet to the first conduit and an inlet to the second conduit. 3. The air cleaner of claim 1, wherein the angle is between 100 and 120 degrees. 4. The air cleaner of claim 1, wherein the ramp is formed as a reduced diameter portion of the inlet portion, the reduced diameter portion extends into an interior of the inlet portion on one diametrical side thereof but not an opposite diametrical side. 5. The air cleaner of claim 1, wherein the tip is curled towards the second conduit and away from the first conduit such that a vortex swirl on a downstream side of the tip is reduced during operation. 6. The air cleaner of claim 1, further comprising an increased diameter section in the second conduit adjacent the Y-junction and the tip. 7. The air cleaner of claim 1, wherein the inlet portion is formed as a circular cross-section tube having a diameter and a length, and wherein the length is at least three times the diameter. 8. The air cleaner of claim 1, wherein a scavenge air conduit is fluidly connected to the second chamber and configured to draw air and/or debris from therewithin during operation of the air cleaner. 9. An engine comprising an air inlet conduit fluidly connected to an intake collector and an exhaust pipe fluidly connected to an exhaust collector, the engine further comprising: an air cleaner having a housing forming a first chamber and a second chamber;an air filter disposed within the first chamber;an outlet pipe extending through the housing and associated with the air filter such that air from the first chamber enters the outlet pipe through the air filter, the outlet pipe being fluidly connected to the inlet conduit of the engine;an inertial separator having an inlet, a first outlet, and a second outlet, the inlet configured to draw air into the inertial separator, the first outlet disposed in fluid communication with the first chamber, and the second outlet disposed in fluid communication with the second chamber,wherein, during operation, debris that may enter the air cleaner entrained in an air flow through the inlet may separate from the air flow and collect in the second chamber, the air flow passing into the first chamber; anda venturi device associated with the exhaust pipe and operating to draw air from a scavenge air conduit fluidly connected to the second chamber;wherein the inertial separator comprises:an inlet portion that is generally straight, the inlet portion forming the inlet at one end and having a centerline;a Y-junction fluidly connected at a second end of the inlet portion;a first conduit forming the first outlet at one end and being fluidly connected to the inlet portion at the Y-junction;a second conduit forming the second outlet at one end and being fluidly connected to the inlet portion at the Y-junction;wherein an angle is formed between a major longitudinal dimension of the separator wall and the inlet portion centerline; andwherein a ramp is formed adjacent the second end of the generally straight inlet portion, upstream of the Y-junction in a direction of airflow from the inlet opening towards the first and second outlets. 10. The engine of claim 9, further comprising a separator wall disposed between and along at least a portion of the first and second conduits, the separator wall having a tip extending into the Y-junction between an inlet to the first conduit and an inlet to the second conduit, wherein the tip is curled towards the second conduit and away from the first conduit such that a vortex swirl on a downstream side of the tip is reduced during operation. 11. The engine of claim 9, wherein the angle is between 100 and 120 degrees.
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이 특허에 인용된 특허 (6)
Schuler Gustav (Ludwigsburg DE), Air intake filter with cyclone separator stage.
Easley Sydney E. (Indianapolis IN) Heathco Craig E. (Indianapolis IN) Smith Clayton L. (Brownsburg IN), Inlet particle separator with anti-icing means.
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