Accumulator
OwnerMax SCOTTinventor
Life of this patent
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Abstract
The present invention provides an accumulator (20) comprising a housing (21), an inner portion (23) within the housing, and a zone (27) defined between the housing and the inner portion for fluid communication with a driving fluid of a fluid-powered system whereby the inner portion is exposed to the driving fluid received within the zone. The inner portion comprises a resiliently deformable solid mass (31), wherein at least a portion of the mass is deformable in response to fluid pressure in the zone exceeding a prescribed level thereby to provide pressure relief. The deformable portion resiliently rebounds in response to fluid pressure in the zone returning to or falling below the prescribed level.
Claims48
An accumulator comprising a housing, an inner portion within the housing, a zone defined between the housing and the inner portion for fluid communication with a driving fluid of a fluid-powered system whereby the inner portion is exposed to the driving fluid received within the zone, the inner portion comprising a resiliently deformable solid mass, wherein at least a portion of the mass is deformable in response to fluid pressure in the zone exceeding a prescribed level thereby to provide pressure relief and wherein the deformable portion resiliently rebounds in response to fluid pressure in the zone returning to or falling below the prescribed level.
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Dependencies are inferred from the claim text.