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公开(公告)号：WO2023076672A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/048421
申请日：2022-10-31
Applicant: BWXT ADVANCED TECHNOLOGIES LLC
Inventor： SHARGOTS, Scott, J. , ZIEGLER, Ryan, Z. , BROWN, Jason, C. , HASLET, David, K. , FLEMING, Emily, D.
Abstract: A control rod drive mechanism having a torque tube, a control rod assembly including a connecting rod and a spider, a lock cam assembly rotatably secured to a bottom end of the connecting rod and including a locking cam, and a locking collar disposed non-rotatably within the spider, the locking collar including a locking recess with an entry slot, wherein in a first axial position the lock cam assembly is rotatable with respect to the torque tube, and a second axial position the lock cam assembly is non-rotatable with respect to the torque tube.
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公开(公告)号：WO2023076676A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/048431
申请日：2022-10-31
Applicant: BWXT ADVANCED TECHNOLOGIES LLC
Inventor： SHARGOTS, Scott, J. , ZIEGLER, Ryan, Z. , FLEMING, Emily, D. , BROWN, Jason, C.
Abstract: A control rod drive mechanism having a torque tube, a control rod assembly including a connecting rod disposed within the torque tube and including an annular collar defining a key slot, an elongated key that is slidably receivable within the key slot, a lock cam assembly rotatably secured to a top end of the connecting rod and including a locking cam, and a holdout collar disposed non-rotatably within the torque tube, the holdout collar including a locking recess with an entry slot, wherein in a first axial position the lock cam assembly is rotatable with respect to the torque tube, and a second axial position the lock cam assembly is non-rotatable with respect to the torque tube.
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公开(公告)号：WO2023076674A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/048423
申请日：2022-10-31
Applicant: BWXT ADVANCED TECHNOLOGIES LLC
Inventor： SHARGOTS, Scott, J. , ZIEGLER, Ryan, Z. , FLEMING, Emily, D.
IPC: G21C7/10 , G21C7/117 , G21C7/12 , G21C9/02 , G21C7/00 , G21C7/06 , G21C7/14 , G21C7/16 , G21C19/10 , G21C19/12
Abstract: A control rod drive mechanism having a torque tube with an inner surface defining a central bore, a control rod assembly including a connecting rod. including a cam extending radially-outwardly therefrom and an annular collar defining a key slot, an elongated key that is slidably receivable within the key slot, and a holdout collar- disposed non-rotatably within the torque tube and defining a locking recess, wherein the connecting rod is axially --movable wIth respect to the torque tube between a first position in which the elongated key is disposed, within the key slot so that the connecting rod is non-rotatable with respect to the torque tube, and a second position in which the elongated key is removed from the key slot and the connecting rod is rotatable wIth respect to the torque tube.
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公开(公告)号：WO2023076682A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/048446
申请日：2022-10-31
Applicant: BWXT ADVANCED TECHNOLOGIES LLC
Inventor： SHARGOTS, Scott, J. , ZIEGLER, Ryan, Z. , BROWN, Jason, C. , HASLET, David, K. , FLEMING, Emily, D.
Abstract: A control rod assembly having a connecting rod, a spider, a plurality of control rods, a coupling sleeve secured to the connecting rod and including a body portion defining at least one cam pin, and a barrel cam defining a cam track, the barrel cam being rotatably secured to the spider. The cam track includes a first camming surface and a second camming surface that are configured so that the barrel cam rotates in a first direction as the at least one cam pin slides along the first and second camming surfaces. The barrel cam rod is rotatable between a first position in which the spider is connected to the connecting rod and a second position in which the spider is disconnected from the connecting rod.
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