Patent ID: 7604223

Claim:
A liquid seal type fluid-filled mount, comprising: a cup-shaped housing; a stud disposed along a central axis of the cup-shaped housing, the stud having an indent portion at an outer circumferential surface thereof; a flexible seal cap sealing fluid-tightly between an upper portion of the stud and an upper portion of the cup-shaped housing; a high viscosity fluid filled in a chamber formed by the cup-shaped housing and the flexible seal cap; a movable damping plate loosely set at the indent portion of the stud, a height of the indent portion being larger than a thickness of the movable damping plate so as to absorb high frequency vibration, the movable damping plate being placed in the high viscosity fluid; a fixed damping unit disposed between the flexible seal cap and the movable damping plate and placed in the high viscosity fluid, the fixed damping unit having a doughnut-shape with a central opening in which the stud is positioned; a supporting member disposed at the lower end of the stud; and a spring disposed between a bottom of the cup-shaped housing and the supporting member, wherein a first fluid passage is formed between an inner circumferential surface of the cup-shaped housing and an outer circumferential surface of the movable damping plate; and a second fluid passage is formed between an inner surface of the central opening of the fixed damping unit and an outer circumferential surface of the stud.