Abstract: A supercharger rotor comprising a plurality of lobes around a center axis, each lobe of the plurality of lobes comprising a rotor profile. The rotor profile comprises a tip, a convex addendum comprised of at least two interpolated and stitched spline curves, an undercut region, and a root base.

Abstract: An air delivery system for a farm machine according to the present disclosure can include a first rotary blower and a first aftertreatment enclosure. The first rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. A first aftertreatment enclosure can be configured on the farm machine and include a first inlet, a second inlet and an outlet. The first inlet can receive engine exhaust from an engine of the farm machine. The second inlet can receive air from the rotary blower. A temperature of the engine exhaust can be reduced upon exiting the first aftertreatment enclosure through the outlet.

Abstract: A cooling system for cooling a component on a farm machine according to the present disclosure can include a rotary blower and a manifold. The rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. The rotary blower can further include a first rotor shaft and a second rotor shaft rotatably supported by the housing and having first and second rotors, respectively, fixed for rotation therewith. The manifold can direct the air from the rotary blower onto the component of the farm machine.

Abstract: A supercharger rotor comprising a plurality of lobes around a center axis, each lobe of the plurality of lobes comprising a rotor profile. The rotor profile comprises a tip, a convex addendum comprised of at least two interpolated and stitched spline curves, an undercut region, and a root base.

Abstract: A supercharger constructed in accordance to one example of the present disclosure includes a housing, a first rotor, a second rotor, a first timing gear, a second timing gear, a first rotor shaft, a second rotor shaft and a coupling. The first and second rotors are received in cylindrical overlapping chambers of the housing. The first timing gear has a gear body that includes first helical teeth. The gear body further defines a central bore and a series of openings. The second timing gear has second helical teeth and is arranged in meshed engagement with the first timing gear. The first rotor shaft supports the first rotor and the first timing gear. The second rotor shaft supports the second rotor and the second timing gear. The coupling has a coupling body and includes a series of protrusions configured to be inserted into the series of openings of the gear body.

Abstract: A supercharger constructed in accordance to one example of the present disclosure includes a housing, a first rotor, a second rotor and a rotor shaft assembly. The first and second rotors are received in cylindrical overlapping chambers of the housing. The first rotor has a central longitudinal passage. The rotor shaft assembly rotatably supports the first rotor and includes a first rotor shaft and a separate and distinct second rotor shaft. The first and second rotor shafts are press-fit into the central passage defined in the first rotor.

Abstract: A cooling system for cooling a component on a farm machine according to the present disclosure can include a rotary blower and a manifold. The rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. The rotary blower can further include a first rotor shaft and a second rotor shaft rotatably supported by the housing and having first and second rotors, respectively, fixed for rotation therewith. The manifold can direct the air from the rotary blower onto the component of the farm machine.

Abstract: An air delivery system for a farm machine according to the present disclosure can include a first rotary blower and a first aftertreatment enclosure. The first rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. A first aftertreatment enclosure can be configured on the farm machine and include a first inlet, a second inlet and an outlet. The first inlet can receive engine exhaust from an engine of the farm machine. The second inlet can receive air from the rotary blower. A temperature of the engine exhaust can be reduced upon exiting the first aftertreatment enclosure through the outlet.

Abstract: A supercharger constructed in accordance to one example of the present disclosure can include a drive shaft, an input shaft, a first gear, a second gear, a first clutch and a second clutch. The second gear can have a different ratio than the first gear. The first clutch assembly can selectively couple rotatable input from the drive shaft to rotation of the input shaft through the first gear at the first drive ratio. The second clutch assembly can selectively couple rotatable input from the drive shaft to rotation of the input shaft through the second gear at a second drive ratio. The input shaft can operate in each of (i) a high speed through driving rotation of the first gear; (ii) a low speed through driving rotation of the second gear and (iii) no speed wherein both of the first and second gears are disconnected with the drive shaft.

Abstract: An engine system includes a throttle valve configured to variably open and close to selectively restrict a volume of air flow. The engine system also includes a supercharger comprising an air inlet, an air outlet, a rotatable drive shaft and rotors associated with the drive shaft, wherein the supercharger is sized to have a flow rate that substantially prevents backwards leaking of air flow. The engine system further includes a combustion engine comprising combustion chambers and an associated rotatable crank shaft and a continuously variable transmission (CVT) configured to variably transfer rotational energy between the drive shaft and the crank shaft.