Patent ID: 6763794
Filing Date: 2004-07-20
Classification: F01P,F02B

Abstract:
A vibration sound reducing device comprising a vibration absorbing means which is mounted to a passage defining structure defining a liquid passage faced by at least a portion of a vibration generating section, said vibration absorbing means absorbing the vibration transmitted from said vibration generating section through a liquid in said liquid passage, wherein said vibration absorbing means comprises an occluding member mounted to an outer wall of said passage defining structure so as to occlude a through-bore which is provided in the outer wall of said passage defining structure and opens at an inner end thereof into said liquid passage, an elastic membrane with one of opposite surfaces thereof facing said liquid passage and the other surface thereof facing a space defined between said elastic membrane and said occluding member, and a retaining member mounted to said occluding member for retaining said elastic membrane between said retaining member and said occluding member.