Patent ID: 8133083
Filing Date: 2012-03-13
Classification: B63B,B63H,F02B,F02D,F02M

Abstract:
1. A water jet propulsion boat propelled by rearwardly ejecting water drawn through a jet pump driven by an engine, the water jet propulsion boat comprising: a fuel tank disposed in a boat body of the water jet propulsion boat through a supporting member to absorb vibrations; a fuel pipe extending from the fuel tank to the engine; a fuel pump unit including a fuel pump that is controlled by a control device to supply fuel from the fuel tank to the engine through the fuel pipe; and a fuel pressure detection device arranged to detect a pressure of fuel supplied to the engine by operation of the fuel pump; wherein the fuel pressure detection device is connected to the control device, and the control device stops the operation of the fuel pump if the fuel pressure detected by the fuel pressure detection device is out of a predetermined normal value range.