CONTROL FOR AIR AMOUNT SUPPLIED TO MICRO BUBBLE DEVICE

Title:

CONTROL FOR AIR AMOUNT SUPPLIED TO MICRO BUBBLE DEVICE

Document Type and Number:

Japanese Patent JPH11348871

Kind Code:

A

Abstract:

To provide a control method for air amount supplied capable of preventing the combustion efficiency of a main engine from lowering and of improving fuel consumption under a reduced load, in extracting pressurized air generated in the supercharger of a main engine and supplying it to a micro bubble device.

This control for air amount supplied to a micro bubble device for decreasing hull resistance by extracting pressurized air from a supercharger 12 installed on a main engine 11 and delivering bubbles from a hull, extracts a fixed amount of air, and controls extraction amount so as remaining pressurized air amount not to be less than the required amount for the main engine.

Inventors:

UTSUNOMIYA MASATOKI
DAIMATSU TETSUYA
HARADA TOMOHIRO
SHUDO HIDEKI
OTA SHUNSUKE

Application Number:

JP16455398A

Publication Date:

December 21, 1999

Filing Date:

June 12, 1998

Export Citation:

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Assignee:

ISHIKAWAJIMA HARIMA HEAVY IND

International Classes:

B63B1/38; (IPC1-7): B63B1/38

Attorney, Agent or Firm:

Minoru Hotta (1 person outside)

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