US 7,549,900 B2
Operation control apparatus for planing boat
Yoshimasa Kinoshita, Hamamatsu (Japan); Kenichi Fujino, Hamamatsu (Japan); Sumihiro Takashima, Hamamatsu (Japan); Tatsuya Yoshida, Hamamatsu (Japan); Masaru Suzuki, Hamamatsu (Japan); and Toshiyuki Hattori, Hamamatsu (Japan)
Assigned to Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka (Japan)
Filed on May 25, 2007, as Appl. No. 11/754,207.
Claims priority of application No. 2006-147142 (JP), filed on May 26, 2006.
Prior Publication US 2007/0293103 A1, Dec. 20, 2007
Int. Cl. B63H 21/22 (2006.01)
U.S. Cl. 440—1 11 Claims
OG exemplary drawing
 
1. An operation control apparatus for a planing boat, comprising:
an engine;
a throttle valve configured to adjust an amount of airflow to the engine;
an accelerator configured to allow an operator to control an opening of the throttle valve;
a mode setting device configured to selectively set one of a normal driving mode and a speed setting mode, wherein the normal driving mode enables the boat to run at a speed in response to an operation amount of the accelerator and the speed setting mode enables the boat to run at a certain speed when a speed setting operating element has been operated; and
an operating state determining device comprising a planing state determining device configured to determine whether or not the planing boat is in a planing state;
wherein the mode setting device is configured to disable and enable mode setting into the speed setting mode depending on whether or not the planing boat is in the planing state.