Title:
WATER JET PROPULSION WATERCRAFT
Document Type and Number:
Japanese Patent JP2013014279
Kind Code:
A
Abstract:
To provide a water jet propulsion watercraft having a catalyst arranged close to an engine such that occurrence of trouble with an exhaust system caused by vibrations from the engine can be prevented.
In this water jet propulsion watercraft, a first exhaust pipe 41 is fixed to the engine 3, and is connected to an exhaust port. A damper section reduces the vibrations from the engine. A catalyst unit 42 is connected to the first exhaust pipe. The catalyst unit is attached to the engine through the damper section. A second exhaust pipe includes a first flexible pipe having flexibility, and is connected to the catalyst unit. A water lock 44 is fixed to a hull, and is connected to the second exhaust pipe.
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Inventors:
MOROTA KOICHIRO
OZAWA SHIGEYUKI
OZAWA SHIGEYUKI
Application Number:
JP2011149723A
Publication Date:
January 24, 2013
Filing Date:
July 06, 2011
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63B35/73; B63H21/32; F01N3/24; F01N3/28; F01N13/08; F01N13/12
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
Yukio Ono
Yamashita
Yukio Ono
Yamashita
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