Title:
副室式ガスエンジン及びその運転制御方法
Document Type and Number:
Japanese Patent JP6630576
Kind Code:
B2
Abstract:
A precombustion-chamber type gas engine, comprising includes: a check valve disposed in the precombustion-chamber gas supply passage and configured to block a backflow of fuel gas from a precombustion chamber; a supply pressure control valve which is disposed on an upstream side of the check valve in the precombustion-chamber gas supply passage and which is capable of adjusting a pressure of the fuel gas to be supplied to the precombustion chamber; a torch strength information acquisition device configured to obtain torch strength information correlated to strength of a torch from the injection nozzle, on the basis of a pressure in the main chamber and a pressure in the precombustion chamber; a precombustion-chamber gas supply amount calculation device configured to calculate an amount of the fuel gas to be supplied to a precombustion-chamber gas supply amount, on the basis of the torch strength information and correlation information representing a correlation between the torch strength information, a thermal efficiency, and the precombustion-chamber gas supply amount; and a precombustion-chamber gas supply pressure control device configured to control the supply pressure control valve on the basis of the precombustion-chamber gas supply amount calculated by the precombustion-chamber gas supply amount calculation device.
Inventors:
Yuki Koshiba
Hiroshi Yoshisu
Hiroshi Yoshisu
Application Number:
JP2016009730A
Publication Date:
January 15, 2020
Filing Date:
January 21, 2016
Export Citation:
Assignee:
Mitsubishi Heavy Industries Engine & Turbocharger Co., Ltd.
International Classes:
F02D19/02; F02B19/10; F02B19/12; F02D45/00; F02M21/02
Domestic Patent References:
| JP2015151959A | ||||
| JP2007255370A | ||||
| JP2007198140A | ||||
| JP2007247420A | ||||
| JP7166937A | ||||
| JP2001193571A | ||||
| JP2014185574A |
Foreign References:
| WO2014049646A1 | ||||
| US20130054124 |
Attorney, Agent or Firm:
Seishin ip patent business corporation