Method and apparatus for starting an engine having a turbocharger
First Claim
1. A method of controlling the starting of an internal combustion engine having a starter coupled to the crankshaft of the engine and a turbocharger having a rotor, said method comprising the steps of:
- rotating the rotor of the turbocharger to a predetermined speed; and
starting the engine when the turbocharger reaches the predetermined speed.
2 Assignments
0 Petitions
Accused Products
Abstract
A system (40) for starting an internal combustion engine (12) of an automotive vehicle (10) has a controller (54) coupled to a starter/alternator (42). The engine (12) has a crankshaft (50) and a turbocharger (24). The controller (54) initiates the starting of the engine (12) by rotating the crankshaft (50). The rotating crankshaft (50) displaces an amount of air from the cylinders (14) of the engine (12) to rotate the rotor shaft of the turbocharger (21). The turbocharger (25) thus draws in air, compresses the air and provides the compressed air to the cylinders (14). When the engine is started the initial power is increased due to the compressed air.
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Citations
18 Claims
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1. A method of controlling the starting of an internal combustion engine having a starter coupled to the crankshaft of the engine and a turbocharger having a rotor, said method comprising the steps of:
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rotating the rotor of the turbocharger to a predetermined speed; and
starting the engine when the turbocharger reaches the predetermined speed. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of starting a vehicle with a starter, and a turbocharger and an internal combustion engine comprising the steps of:
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rotating the crankshaft of the engine with the starter;
moving pistons in a respective cylinder;
displacing air into the exhaust system with the piston;
rotating a shaft of the turbocharger with the displaced air to a predetermined speed; and
starting the engine when the turbocharger reaches the predetermined speed. - View Dependent Claims (8, 9, 10, 11)
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12. A system for an automotive vehicle comprising:
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an internal combustion engine having a crankshaft coupled to pistons;
a turbocharger having a rotor shaft;
a starter/alternator coupled to the crankshaft;
a controller coupled to the starter/alternator initiating the rotation of said crankshaft to displace air from the pistons and rotate the rotor shaft of said turbocharger, said controller starting said engine upon the rotor shaft reaching a predetermined speed. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification