| 摘要 |
A system, including a magnetorheological (MR) fluid locking system, including a housing, a piston disposed in the housing (94), wherein the piston (110) is configured to move axially within the housing, an MR fluid (50) disposed in the housing, an MR fluid pump (132) fluidly coupled to the housing, wherein the MR fluid pump is configured to pump the MR fluid into the housing, and an electromagnet (134) configured to magnetize the MR fluid (50) to control axial movement of the piston (110), the piston can be coupled to a blowout preventer ram. |
