Title:
水ジェット推進艇
Document Type and Number:
Japanese Patent JP4493873
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To compactly build an exhaust passage in an engine room by contriving an layout of the exhaust passage, and to improve an engine output. SOLUTION: Parts 30a, 30b, which are independent from a plurality of exhaust ports of a multicylinder engine 6 and extend in back and forth directions of each of independent exhaust passages 30 (A, B) extending in at least one direction out of up and down directions and back and forth directions of either side of left and right of the engine 6, are arranged approximately in parallel in up and down directions.
Inventors:
Nanami Masayoshi
Application Number:
JP2001086870A
Publication Date:
June 30, 2010
Filing Date:
March 26, 2001
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B63H11/08; B63B35/73; B63H21/32; F01N13/12
Domestic Patent References:
| JP11350953A | ||||
| JP10184374A | ||||
| JP57157708U | ||||
| JP2000337156A | ||||
| JP9226685A | ||||
| JP2063023U |
Attorney, Agent or Firm:
Etsushi Kotani
Kyuichi Ueki
Yoshio Asano
Kyuichi Ueki
Yoshio Asano