公开(公告)号：WO2006071658A3

公开(公告)日：2006-07-06

申请号：PCT/US2005/046279

申请日：2005-12-20

Applicant: INGERSOLL-RAND COMPANY

Inventor： SWARTZ, Charles ,  HUTCHINSON, William, Roger ,  ROWE, David, Franklin ,  RHOADES, Randy

IPC: A47B81/06

Abstract: A sound-attenuating enclosure for a portable machine. The enclosure includes an inner shell, an outer shell, and a duct. The inner shell includes an inner air inlet opening. The duct connects the outer air inlet opening and the inner air inlet opening, while preventing a line-of-sight between the outer air inlet opening and the inner air inlet opening.

公开(公告)号：EP1829190A2

公开(公告)日：2007-09-05

申请号：EP05854918.9

申请日：2005-12-20

Applicant: INGERSOLL-RAND COMPANY

Inventor： SWARTZ, Charles ,  HUTCHINSON, William, Roger ,  ROWE, David, Franklin ,  RHOADES, Randy

IPC: H02K5/24

CPC classification number: F02F7/006 ,  F01C21/10 ,  F01P11/12 ,  F02B77/13 ,  F02B2063/045 ,  F04B39/0033 ,  F04B39/0038 ,  F04C23/00 ,  F04C29/066

Abstract: A sound-attenuating enclosure for a portable machine. The enclosure includes an inner shell, an outer shell, and a duct. The inner shell includes an inner air inlet opening. The duct connects the outer air inlet opening and the inner air inlet opening, while preventing a line-of-sight between the outer air inlet opening and the inner air inlet opening.