US 11,808,229 B2
Reignition processing device, reignition method, and program for gas engine
Junnosuke Andou, Tokyo (JP); Masato Mitsuhashi, Tokyo (JP); Hiroaki Tsubokawa, Sagamihara (JP); and Takahiro Koakutsu, Sagamihara (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARER, LTD., Kanagawa (JP)
Appl. No. 17/771,931
Filed by MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara (JP)
PCT Filed Oct. 28, 2020, PCT No. PCT/JP2020/040529
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2021/090749, PCT Pub. Date May 14, 2021.
Claims priority of application No. 2019-201065 (JP), filed on Nov. 5, 2019.
Prior Publication US 2022/0372928 A1, Nov. 24, 2022
Int. Cl. F02D 41/00 (2006.01); F02D 41/22 (2006.01); F02D 35/02 (2006.01); F02D 41/14 (2006.01); F02P 5/152 (2006.01)
CPC F02D 41/22 (2013.01) [F02D 35/023 (2013.01); F02D 41/0027 (2013.01); F02D 41/1498 (2013.01); F02P 5/1522 (2013.01); F02D 2200/1015 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A reignition processing device for a gas engine for executing a reignition process of a cylinder during operation of a gas engine having multiple cylinders, the reignition processing device comprising:
an execution permission unit configured to, when at least one of the cylinders misfires, perform permission determination whether to execute the reignition process of a misfiring cylinder which is the at least one cylinder that misfires, on the basis of a damage diagnosis result based on an in-cylinder pressure of the misfiring cylinder, presence or absence of abnormality in a control device which performs combustion control and combustion diagnosis of the gas engine, an operational history related to the misfiring cylinder, and an operational state of the gas engine; and
a reignition execution unit configured to execute the reignition process of the misfiring cylinder that is permitted by the permission determination to execute the reignition process.