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US 6,647,955 B1Granted
Method of gradual stopping control of an internal combustion engine
AssigneeRobert Bosch GmbH
InventorUdo Sieber
Life of this patent
Estimating the term…
Abstract
A desired gradual stopping position of a piston in at least one cylinder of an internal combustion engine can be attained very accurately and simply by closing the gas exhaust valves of one or more cylinders of an internal combustion engine for one or more time segments after the ignition has been turned off, the beginning and the end of each valve closing segment being controlled so that the crankshaft comes to a stop in the desired stopping position.
Claims6
A method of gradual stopping control of an internal combustion engine, comprising the steps of:
- bringing a piston in at least one cylinder of the internal combustion engine into a specific position that corresponds to an angular position of a crankshaft located clearly after a top dead center;
- closing a gas exhaust valve of the at least one cylinder for at least one valve closing segment after an ignition has been turned off;
- and
- controlling a beginning and an end of each valve closing segment so that the crankshaft remains in a desired stopping position.
1 more element
Dependencies are inferred from the claim text.