Patent ID: 9695902
Date: 2017-07-04
CPC Classifications: B60K,F16F

Claim:
1. A liquid sealed vibration isolating device comprising: a partition member for partitioning a liquid chamber into a primary liquid chamber and a secondary liquid chamber, a damping orifice being arranged in the partition member to provide communication between the primary liquid chamber and the secondary liquid chamber, an elastic partition member being provided in the partition member, the elastic partition member being integrally provided with an elastic movable diaphragm which absorbs an internal pressure of the primary liquid chamber and a relief valve which is arranged in an outer circumferential part, and a leak passage to be opened and closed by the relief valve, being arranged in the partition member to provide communication between the primary liquid chamber and the secondary liquid chamber, wherein the elastic movable diaphragm is formed in a noncircular shape and is surrounded by an annular rigid frame section, said annular rigid frame section having a noncircular shape formed by a curved line portion and a straight line section, and the relief valve is provided in a part located outwardly of the straight line section and formed in an oblong shape along an outer circumference of the elastic partition member.