Invention Grant
- Patent Title: Process and system for starting a direct-injecting internal-combustion engine as well as motor vehicle
- Patent Title (中): 启动直喷式内燃机以及汽车的过程和系统
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Application No.: US12239365Application Date: 2008-09-26
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Publication No.: US08347840B2Publication Date: 2013-01-08
- Inventor: Marco Fleckner , Dietmar Schwarzenthal
- Applicant: Marco Fleckner , Dietmar Schwarzenthal
- Applicant Address: DE
- Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Current Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Current Assignee Address: DE
- Agent Gerald E. Hespos; Michael J. Porco
- Priority: DE102007046819 20070929
- Main IPC: F01L1/34
- IPC: F01L1/34

Abstract:
A process for starting a direct-injecting internal-combustion engine is disclosed. The process includes triggering a separate drive for adjusting the camshaft for causing an angular position change between the crankshaft and the camshaft until the separate drive rotates the crankshaft such that a working medium is compressed by a piston in a cylinder of the internal-combustion engine. The position of the pistons of the internal-combustion engine is determined by using position determining devices to identify the cylinder of the internal-combustion engine in which the working medium is compressed. Fuel is injected into the cylinder in which the working medium is compressed when the cylinder is in a proximity of an upper dead center to start the internal-combustion engine.
Public/Granted literature
- US20090188459A1 PROCESS AND SYSTEM FOR STARTING A DIRECT-INJECTING INTERNAL-COMBUSTION ENGINE AS WELL AS MOTOR VEHICLE Public/Granted day:2009-07-30
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