Patent ID: 7392976

Claim:
A hydraulically damping bush bearing comprising: an inner part with a hole extending along a longitudinal axis; an outer sleeve surrounding said inner part; an elastomeric damping member arranged between said inner part and said outer sleeve; two chamber pairs including a first chamber pair with two separate chambers each filled with hydraulic fluid and a second chamber pair each filled with hydraulic fluid, wherein said two chambers of said first chamber pair are arranged axially along said longitudinal axis and said two chambers of said second chamber pair are arranged radially in relation to said longitudinal axis and are arranged between said two chambers of said first chamber pair in the axial direction of said longitudinal axis; a channel carrier, which connects said two chambers each of one of said chamber pairs to one another via at least one damping channel arranged in or at said channel carrier; an outer bush, which surrounds said elastomeric damping member, said outer sleeve, said channel carrier as well as said two chamber pairs, wherein at least one of said chambers of said first chamber pair is connected to at least one of said chambers of said second chamber pair via at least one closable chamber wall opening; a closing mechanism for closing said at least one said closeable chamber wall opening, said closing mechanism having a closing element with an actuating device, said actuating device actuating said closing element, said actuating device being arranged within one of said chambers.