Title:
予混合プロセス又は圧縮着火プロセスに従って選択的にシリンダを動作させる大型２ストロークユニフロー掃気機関及び方法
Document Type and Number:
Japanese Patent JP7329670
Kind Code:
B2
Abstract:
To provide a technology for surely preventing pre-ignition phenomenon and misfire in an engine operated according to a pre-mix process.SOLUTION: A dual fuel large two-stroke turbocharged uniflow scavenged internal combustion engine includes: a plurality of cylinders 1; a piston 10 reciprocating in each cylinder: a fuel admission valve 30 admitting a first fuel during a stroke from BDC to TDC, of each piston; at least one fuel injection valve 50 for injecting a second fuel when the piston is at or near TDC; and a controller configured to determine whether actual combustion conditions of the cylinders operating according to a pre-mix process are such that there is an unacceptable risk for pre-ignition events or misfires, and to change, upon determining the presence of the risk, at least one of the cylinders from the operation according to the pre-mix process to an operation according to a compression-ignition process.SELECTED DRAWING: Figure 4
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Inventors:
Jen Sung Kim
Sherap Jacob
Larsen Hans
Nielsen Casper
Sherap Jacob
Larsen Hans
Nielsen Casper
Application Number:
JP2022149675A
Publication Date:
August 18, 2023
Filing Date:
September 21, 2022
Export Citation:
Assignee:
MNA Energy Solutions Philial Aff MNA Energy Solutions STI Skrand
International Classes:
F02D19/10; F02B25/04; F02B37/00; F02D13/02; F02D19/02; F02D23/02; F02D41/40; F02M21/02; F02M25/00
Domestic Patent References:
| JP202111871A | ||||
| JP2004239213A | ||||
| JP2014118858A | ||||
| JP2016153649A |
Foreign References:
| WO2014108969A1 |
Attorney, Agent or Firm:
Mitsunori Kawamorida