Title:
AUXILIARY-CHAMBER-TYPE GAS ENGINE
Document Type and Number:
WIPO Patent Application WO/2015/064527
Kind Code:
A1
Abstract:
In order to address the problem of providing an auxiliary-chamber-type gas engine (100) capable of preventing a deterioration in fuel consumption even if fuel gas having a different composition is supplied, provided is an auxiliary chamber type gas engine (100) equipped with an ECU (50) including a fuel injection amount map for setting a command fuel injection amount (Q) for the fuel flow rate determined on the basis of the engine speed (Ne) and engine load (Ac), and a target air-supply-manifold pressure map for setting a target air-supply-manifold pressure (Pim) for the air flow rate determined on the basis of the engine speed (Ne) and engine load (Ac), wherein when there is need for a fuel injection rate for a fuel flow rate greater than the command fuel injection amount (Q) for the fuel flow rate determined on the basis of the engine speed (Ne) and engine load (Ac), the ECU (50) corrects the target air-supply-manifold pressure (Pim) for the air flow rate in the target air-supply-manifold pressure map such that the pressure is reduced.
Inventors:
HAGIWARA RYOICHI (JP)
YAMAGISHI OSAMU (JP)
YAMAGISHI OSAMU (JP)
Application Number:
PCT/JP2014/078470
Publication Date:
May 07, 2015
Filing Date:
October 27, 2014
Export Citation:
Assignee:
YANMAR CO LTD (JP)
JAPAN SHIPS MACHINERY & EQUIPMENT ASS (JP)
JAPAN SHIPS MACHINERY & EQUIPMENT ASS (JP)
International Classes:
F02D19/02; F02D41/02; F02D41/04; F02M21/02
Foreign References:
| JP2009057870A | 2009-03-19 | |||
| JP2009057872A | 2009-03-19 | |||
| JP2003161176A | 2003-06-06 | |||
| JP2009057873A | 2009-03-19 | |||
| JP2008215130A | 2008-09-18 | |||
| JP2013185515A | 2013-09-19 |
Other References:
See also references of EP 3064747A4
Attorney, Agent or Firm:
YANO Juichiro (JP)
Juichiro Yano (JP)
Juichiro Yano (JP)
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