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Patent Searching and Data


Title:
CORRESPONDING METHOD AT OVERLAPPING
Document Type and Number:
Japanese Patent JP2009144696
Kind Code:
A
Abstract:

To prevent an air-fuel mixture from being discharged from an exhaust valve through the inside of a cylinder when an intake valve and an exhaust valve for the air-fuel mixture are simultaneously opened and overlapped with each other when an engine formed by using a valve (b) in an engine (a) is transferred from the last exhaust step to the first intake step.

When the engine is transferred from the last exhaust step to the first intake step, the intake valve and the exhaust valve for the air-fuel mixture are simultaneously opened and overlapped with each other, the intake valve for the air-fuel mixture is not opened, but is closed after air is jetted from an air jetting device and the exhaust valve is closed.


Inventors:
NAKADA OSAMU
Application Number:
JP2007000341985
Publication Date:
July 02, 2009
Filing Date:
December 16, 2007
Export Citation:
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Assignee:
NAKADA OSAMU
International Classes:
F02D13/02; F02B23/08; F02B75/02