Title:
JET PROPULSION BOAT
Document Type and Number:
Japanese Patent JP2017171086
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a jet propulsion boat of which a backing side driving force can be easily adjusted according to the circumstances of a hull.SOLUTION: A hull is moved forward when a reverse gate is positioned at a first position. The hull is decelerated or moved rearward. A speed mode selection part is a unit for selecting a normal mode and a speed mode. In the speed mode, a maximum speed different from that in the normal mode is set. When the reverse gate is positioned at a second position and the speed model is selected, a control part sets an upper limit value of an engine speed to a value different from an upper limit value in the normal mode.SELECTED DRAWING: Figure 8
Inventors:
AMMA HIROFUMI
Application Number:
JP2016058630A
Publication Date:
September 28, 2017
Filing Date:
March 23, 2016
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63B35/73; B63H11/11; B63H21/21; F02D29/02; F02D41/04; F02D43/00; F02P5/15
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
Yukio Ono
Yamashita
Matsuyama practice
Yukio Ono
Yamashita
Matsuyama practice