SOUND-PROOF STRUCTURE IN POWER UNIT

Application 862/DEL/2005 published 2006-12-01, filed 2005-04-04
A sound-proof structure in a power unit in which a transmission case (71) forming a storing chamber (70) storing a transmission (M) is cooperatively arranged at an engine main body (11) in such a way that it may cover a part of said engine main body (11) from a side portion and extend up to a driving wheel (WR) and a sound-proof cover (129) covering an outer side face of said transmission case (71) is fixed to the transmission case (71). Characterized in that sound-proof members (137 to 140) defining a space between said transmission case (71) and said sound-proof cover (129) into a plurality of space including at least one closed space (134 to 136) are arranged between said transmission case (71) and said sound-proof cover (129).

Applicant

1)HONDA MOTOR CO., LTD.
:BUSINESS AT 1-1, MINAMIAOYAMA 2-CHOME, MINATO-KU, TOKYO, JAPAN. Japan

Inventor

1)HIROKAZU KOMURO, 2)KEIICHIRO NIIZUMA, 3)MITSUNOBU KANEKO 4)EIJI KINBARA,

International Info

Classification: F02B77/13

Priority Information

2004-124480 Japan 2004-04-20