A magnetorheological fluid delivery system includes a mixing and tempering vessel. Fluid is admitted to the vessel via a plurality of tangential ports, creating a mixing of the fluid in the vessel and promoting homogeneity. Fluid may be reconstituted in the vessel by metered addition of carrier fluid....http://www.google.ca/patents/US6955589?utm_source=gb-gplus-sharePatent US6955589 - Delivery system for magnetorheological fluid