Title:
船舶
Document Type and Number:
Japanese Patent JP6757217
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To surely keep pressure of fuel gas supplied to a sub-gas engine in an acceptable range.SOLUTION: The vessel comprises a main gas engine for propulsion, a tank for storing liquefaction natural gas, an air feed line for introducing boil-off gas generated in the tank to a compressor, a first supply line for introducing the boil-off gas emitted from the compressor to the main gas engine, an extraction line for introducing extraction gas extracted from the compressor during extraction to a header, a sub-gas engine for an in-vessel power source connected to the header by the second supply line, a GCU connected to the header by a third supply line, a GCU control device controlling the GCU, a return line provided with a flow rate control valve from the header to the tank, and a general control device controlling the flow rate valve. The general control device increase an opening degree of the flow rate valve by a predetermined amount when receiving GCU trip signals from the GCU control device.SELECTED DRAWING: Figure 1
Inventors:
Akihiro Ando
Iisaka Gobun
Hiroyuki Takeda
Naoko Indo
Takashi Abe
Naoki Narushima
Kouhei Hashimoto
Iisaka Gobun
Hiroyuki Takeda
Naoko Indo
Takashi Abe
Naoki Narushima
Kouhei Hashimoto
Application Number:
JP2016185351A
Publication Date:
September 16, 2020
Filing Date:
September 23, 2016
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
F02M21/02; B63B25/16; B63H21/14; B63H21/38; B63J2/14; B63J3/04; F02B43/00
Domestic Patent References:
| JP2015505941A | ||||
| JP2016061141A | ||||
| JP2016507705A |
Foreign References:
| KR101644389B1 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office