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Patent Searching and Data


Title:
ジェット推進型滑走艇
Document Type and Number:
Japanese Patent JP4657427
Kind Code:
B2
Abstract:
The present invention provides a lightweight and simply-configured watercraft of a jet-propulsion type, which can maintain steering capability according to a cruising speed of the watercraft even while a throttle-close operation is performed and the amount of water ejected from a water jet pump is thereby reduced, and a cruising speed calculating device suitable for the watercraft. During forward movement, when the throttle-close operation and steering operation of a steering handle are detected and a cruising speed is within a predetermined speed range, the engine speed is increased. The engine speed is increased by changing a fuel injection timing of a fuel injection system, a fuel injection amount, and/or an ignition timing of an ignition system of the engine. The cruising speed is calculated from the engine speed.

Inventors:
Yoshiki Matsuda
Application Number:
JP2000234032A
Publication Date:
March 23, 2011
Filing Date:
August 02, 2000
Export Citation:
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Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B63H25/46; G01P5/00; B63H11/08; B63H11/11; B63H21/00; B63H21/22; B63H25/00; F02D37/02; F02D41/14; B63B35/73; B63H11/107
Domestic Patent References:
JP2001329881A
JP4078696A
JP2001191992A
Foreign References:
WO1996033909A1
Attorney, Agent or Firm:
Yoshihiro Tsunoda
Yasu Furukawa
Hideo Sakamoto
Toshio Nishitani
Keiji width