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US 10,119,418 B2Granted
Split turbocharger bearing assembly
AssigneeFord Global Technologies, LLC
InventorSam Penzato
Life of this patent
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Abstract
A turbocharger bearing assembly of a split turbocharger for an engine is disclosed in which key rotational parts are rotatably supported by a pair of spaced apart bearings located in a bore of a tubular bearing housing forming part of a bearing assembly. The rotational parts of the turbocharger bearing assembly are balanced as a unit before the turbocharger bearing assembly is assembled to a cylinder block of the engine by insertion into a bore formed in the cylinder block.
Claims7
A method of assembling a split turbocharger on an engine comprising:
- assembling a drive shaft, a compressor rotor, a turbine rotor, and at least two bearings to a tubular body of a bearing housing to form a turbocharger bearing assembly, the tubular body of the bearing housing sized to fit a transverse cylindrical bore through an engine block of the engine, wherein the transverse cylindrical bore is located between a crankshaft of the engine and an engine cylinder and extends from a first side of the engine block to a second side of the engine block opposite the first side;
- rotating the drive shaft and the attached compressor and turbine rotors at a speed to balance rotating parts;
- and
- after balancing the rotating parts, inserting the balanced turbocharger bearing assembly into the transverse cylindrical bore through the engine and securing the balanced turbocharger bearing assembly to the engine.
1 more element
Dependencies are inferred from the claim text.