Direct injected engine

Details Direct injected engine Direct injected engine

1997-09-26

1999-07-27

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

123 73, 123672, F02D 4114

Patent

active

059272473

ABSTRACT:
A two-cycle crankcase compression, direct injected internal combustion engine having several embodiments of feedback control systems. In each embodiment, the feedback control system includes at least one combustion condition sensor such as an oxygen sensor. The sensor is mounted, however, so that it communicates with the combustion gases through a sensor port that is disposed so that it will not receive fuel sprayed from the fuel injector. In one embodiment, the sensor port is positioned in a common portion of an exhaust manifold upstream of an exhaust control valve. In another embodiment, the sensor port is disposed directly in the cylinder but adjacent the injector so that the spray from the injector will be away from the sensor port.

REFERENCES:
patent: 4984540 (1991-01-01), Morikawa
patent: 5682870 (1997-11-01), Motoyama
patent: 5713325 (1998-02-01), Yoshida et al.
patent: 5715794 (1998-02-01), Nakamura et al.
patent: 5727536 (1998-03-01), Kato

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