Patent ID: 8272786

Claim:
An annular vibration isolator for a rotating shaft supported by a bearing, the annular vibration isolator comprising: an outer ring extending substantially entirely around the bearing; an arc portion having an arc portion first end and an arc portion second end, the arc portion having a contact portion extending toward the bearing, the contact portion located substantially at a center of the arc portion; a first axial portion extending from the outer ring to the arc portion first end; a second axial portion extending from the outer ring to the arc portion second end, the first and second axial portions enclosing a cavity; a first flange portion proximate the first axial portion, the first flange portion extending toward the arc portion from the outer ring and extending circumferentially toward the center of the arc portion, forming a first channel; a second flange portion proximate the second axial portion, the second flange portion extending toward the arc portion from the outer ring and extending circumferentially toward the center of the arc portion, forming a second channel, and the first and second flange portions forming a chamber within the cavity and forming a radial passageway connecting the chamber to the first and second channels; and a bellows disposed in the chamber and coupled to the radial passageway, the bellows adapted to receive a fluid from the first and second channels.