Title:
BREATHER DEVICE IN PROPULSION DEVICE FOR SHIP
Document Type and Number:
Japanese Patent JP3956243
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To return blow-by gas of fuel leaked in an internal combustion engine to the internal combustion engine through a breather pipe as well as prevent water outside the internal combustion engine from entering into its inside through the breather pipe.
SOLUTION: An air-intake member 29 is provided one end part of which is coupled to a four cycle internal combustion engine mounted in a hull. An air-intake box 30 is mounted on the other end part of the air-intake member 29. In driving of the internal combustion engine, air 50 outside the air-intake box 30 sequentially passes through respective air-intake passages 31 in the air-intake box 30 and the air-intake member 29 and sucked into the internal combustion engine. A breather pipes 55, 61 are provided, with one end part opened to inside the internal combustion engine and the other part 57 opened to inside the air-intake box 30. The other end part 57 of the breather pipes 55, 61 is positioned in a middle part in vertical direction of inside of the intake box 30.
Inventors:
Shigeyuki Ozawa
Application Number:
JP8221197A
Publication Date:
August 08, 2007
Filing Date:
March 13, 1997
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B63H11/00; B63B35/73; F01M13/00; F01M13/02; F02B61/04; F02M35/024; F02M35/10; (IPC1-7): F01M13/00; B63B35/73; B63H11/00; F02M35/024; F02M35/10; F02M35/10
Domestic Patent References:
| JP5306660A | ||||
| JP52094508U |
Attorney, Agent or Firm:
Tadao Sawada