摘要 |
A valve assembly (100) is provided. The valve assembly (100) comprises a housing (102) including a plurality of fluid couplings (103, 104a-104d). The valve assembly (100) further includes two or more valve members (107a-107d) movable within the housing (102) between a first position and a second position. A shape memory alloy element (108) is coupled to the two or more valve members (107a-107d) to independently actuate each of the two or more valve members (107a-107d) between the first and second positions upon heating a selected portion of the shape memory alloy element (108) above a transformation temperature. |