Abstract: A sensorless motor control system includes a drive unit and a control unit. The drive unit includes a motor having three phase windings and a rotor, and an actuation circuit connected to the three phase windings. The actuation circuit includes three switch units each including a high-side switch and a low-side switch. The control unit is configured to alternately actuate the high-side switches respectively of the three switch units and the low-side switches respectively of the three switch units such that the high-side switch of one of the three switch units and the low-side switch of a different one of the three switch units are actuated during each of a plurality of detection cycle periods, record an actuation duration during each of the detection cycle periods, and determine a position of the rotor based on the actuation durations recorded respectively for the detection cycle periods.

Abstract: An adjustable, rack-mountable, liquid-cooling assembly is disclosed, enabling easy and quick mounting of a fluid manifold to a variety of mounting locations within a rack chassis. An upper mounting bracket coupled to an upper end of a rack chassis can include a plurality of upper mounting locations, and a lower mounting bracket coupled to a lower end of the rack chassis can include a plurality of corresponding lower mounting locations. An upper bracket assembly coupled to an upper end of the fluid manifold can be selectively securable to the upper mounting bracket at each of the plurality of upper mounting locations. A lower bracket coupled to a lower end of the fluid manifold can be selectively securable to the lower mounting bracket at each of the plurality of lower mounting locations.

Abstract: A self-aligning connector for a computing system includes a case and a fluid pipe. The case has a pipe channel that extends internally, along a radial axis, between a case entry side and a case exit side. The fluid pipe is movably mounted within the pipe channel, separated from an internal surface of the pipe channel by a floating space. The fluid pipe is rotatably and linearly movable within the floating space, and includes a pipe entry side, a pipe exit side, and an internal channel for receiving a liquid coolant. The internal channel extends along the radial axis between a pipe entry end and a pipe exit end. The fluid pipe further has a tilt area that is located between the pipe entry side and the pipe exit side, and that is configured to rotatably adjust the fluid pipe relative to the case.

Abstract: An adjustable bracket for enclosing an open frame power supply unit (PSU) is disclosed. The adjustable bracket includes a first bracket section having a first primary plate and a first secondary plate extending generally vertically from one end of the first primary plate; and a second bracket section having a second primary plate and a second secondary plate extending generally vertically from one end of the second primary plate, the first secondary plate and the second secondary plate being generally parallel such that the first secondary plate faces the second secondary plate. The second primary plate is movably coupled to the first primary plate such that the adjustable bracket can be in a compact, intermediately extended, or fully extended configuration by adjusting the bracket according to a width of the open frame PSU, the width being different for a first open frame PSU than for a second open frame PSU.

Abstract: A position-limit mechanism includes a clip retainer and a resilient assembly. The clip retainer includes a fix part, a limit part, a connect part, and a stop part connected in sequence, the fix connected to a frame, a receiving space is defined by the connect part, the stop part, and the limit part, the receiving space is configured for accommodating a mounting bracket, one end of the mounting bracket extends into the receiving space. The resilient assembly is arranged on the limit part and protrudes into the receiving space, the resilient assembly is configured to resiliently press the one end of the mounting bracket in the receiving space. A chassis including the clip retainer as described above is also disclosed.

Abstract: Disclosed in the present disclosure is a locking bracket and a chassis. The locking bracket includes a locking base and a locking block. The locking base is fixedly connected to the chassis, and the locking block is movably connected to the locking base along a preset path to switch the locking block to the locked state when installing the functional module into the chassis. The clamping groove can clamp the limiting portion of the installing bracket that covers and fixes the functional module to fix its position, thereby improving the problem of component detachment caused by vibration, shaking, or impact during transportation of the chassis. When it is necessary to remove the functional module from the chassis, the locking block is moved along the preset path to switch from the locked state to the unlocked state.

Abstract: A positioning structure for server includes a chassis, a door, a locking piece, a first elastic piece, and a handle. The chassis defines a cavity and a first opening. The door is rotatably connected to the chassis. The locking piece is movably connected to the door. The first elastic piece is connected to the locking piece and the door. The handle is movably connected to the door. When the door covers the first opening, the first elastic piece moves the locking piece into a slot of the chassis to position the door, when the door covers the first opening and the handle moves away from the chassis, the locking piece moves out of the slot to allow the door to open the first opening. A server and a computing device with the positioning structure are also disclosed.

Abstract: A fastening device can fix a first plate on a second plate, the first plate is defined a positioning hole. The fastening device includes a fixing member, a pressing member, a guiding member, and an elastic member. The guiding member is partially disposed in a receiving cavity of the fixing member and protruding from the fixing member to connect to the pressing member. The guiding member can extend through the positioning hole to cause the second plate to be disposed between the fixing member and the pressing member. The elastic member is disposed in the receiving cavity and resisting against the receiving cavity and the guiding member. The elastic member can drive the guiding member and the pressing member toward the first plate when the second plate moves between the pressing member and the fixing member. The present disclosure further provides a fixing assembly including the fastening device.

Abstract: A mounting structure for mounting a data storage device includes a cage, a sliding piece, a door, and a lock. The cage has an opening and a cavity. The sliding piece is slidable between a first position and a second position. The sliding piece has a pushing part. The door is rotatably located on the sliding piece and configured for covering or uncovering the opening. The lock is located on the cage and configured for locking the door to cover the opening. When the data storage device is accommodated in the cavity, the door is locked by the lock and the sliding piece is located on the first position, when the lock unlocks the door and the sliding piece slides to the second position, the pushing part pushes the data storage device outwards from the cavity through the opening. A cabinet and a computing device are also disclosed.

Abstract: A computing device include a chassis, a mounting ear, a lever, and a locking unit. The chassis holds one or more electronic devices and is insertable into a rack, such as a server rack. The mounting ear is coupled to the chassis. The lever is rotatably coupled to the mounting ear and is rotatable between a first position and a second position. In the first position, the lever engages the rack to prevent the chassis from being removed. In the second position, the lever disengages the rack and allows the chassis to be removed. The locking unit is coupled to the mounting ear and transitions between locked and unlocked states. In the locked state, the locking unit secures the lever in the first position. In the unlocked state, the lever is movable from the first position to the second position.

Abstract: Disclosed in the present application is a buckling device and a chassis. The buckling device includes a first main body, a snap member, and a sliding member. The first main body is configured to be fixed within a box. The snap member is configured to be connected to a functional component. The sliding member is slidably connected to the first main body. The snap member is rotationally connected to the first main body and held against the sliding member, and the snap member is configured to drive the sliding member to slide during rotation, and the snap member is buckled and connected to the first main body when the sliding member is located at a first preset position protruding outside the box. When an area near a functional component needs to be avoided, rotate the snap member and drive the functional component to rotate to expose the avoidance space.

Abstract: A position-limit mechanism includes a clip retainer and a resilient assembly. The clip retainer includes a fix part, a limit part, a connect part, and a stop part connected in sequence, the fix connected to a frame, a receiving space is defined by the connect part, the stop part, and the limit part, the receiving space is configured for accommodating a mounting bracket, one end of the mounting bracket extends into the receiving space. The resilient assembly is arranged on the limit part and protrudes into the receiving space, the resilient assembly is configured to resiliently press the one end of the mounting bracket in the receiving space. A chassis including the clip retainer as described above is also disclosed.

Abstract: Disclosed in the present disclosure is a supporting bolt, a cantilever supporting structure and a conducting device. The supporting bolt includes a locking screw, a support screw sleeve, and an elastic supporting member. The locking screw is fixedly connected the pressure receiving structure. The support screw sleeve is fixedly connected the pressure applying structure and is slidably disposed on an outer surface of the locking screw along a direction of the central axis within a sliding range. The elastic supporting member includes a first elastic member, a first end of the first elastic member is compressed against the support screw sleeve, and a second end of the first elastic member is compressed against the pressure receiving structure, the first elastic member has an elastic force along the pressure receiving structure towards the pressure applying structure to support the pressure applying structure.

Abstract: Disclosed in the present disclosure is a locking bracket and a chassis. The locking bracket includes a locking base and a locking block. The locking base is fixedly connected to the chassis, and the locking block is movably connected to the locking base along a preset path to switch the locking block to the locked state when installing the functional module into the chassis. The clamping groove can clamp the limiting portion of the installing bracket that covers and fixes the functional module to fix its position, thereby improving the problem of component detachment caused by vibration, shaking, or impact during transportation of the chassis. When it is necessary to remove the functional module from the chassis, the locking block is moved along the preset path to switch from the locked state to the unlocked state.

Abstract: An assembly for securing an electrical component to a server is disclosed. The assembly includes a structural case configured to receive and secure in place an electrical component for the server; a pair of rail holders mounted to the structural case, each rail holder of the pair of rail holders having a plurality of mounting holes that includes a first hole and a second hole; and a pair of latches, each latch of the pair of latches being movably mounted to a respective one of the pair of rail holders, each latch having a finger end that is coupled to a hook end via a bridge portion. The finger end and the hook end are inserted, respectively, into the first hole and the second hole of the respective one of the pair of rail holder, and independently and flexibly move relative to the bridge portion in response to applied pressure.

Abstract: An eye-bolt assembly includes an eye bolt and a base portion. The eye bolt includes a ring portion, a stem portion, and at least one winged extension. The ring portion is attached a first end of the stem portion. The at least one winged extension is attached to a second end of the stem portion. The base portion receives and securely locks the eye bolt therein. The base portion includes a collar and a platform secured to the collar. The collar forms a first aperture therein. The platform forms a second aperture therein. The platform includes a spring being located at least partially within the second aperture. A first end of the spring is attached to the platform. The second aperture formed in the platform is in spaced communication with the first aperture formed in the collar.

Abstract: Cable release devices and methods are disclosed. The device includes a frame defining an aperture. The frame is sized to fit around a connector on a printed circuit board (PCB) within a computer system with the connector extending into the aperture. The device further includes a post extending from the frame. The device further includes a lever connected to the post. The lever includes a first end positioned such that the first end aligns with a latch of a cable when the cable is connected to the connector and when the frame is around the connector such that actuation of the lever causes the lever to depress the latch. The actuation causes the release of the cable from being retained by the connector.

Abstract: An adjustable bracket for enclosing an open frame power supply unit (PSU) is disclosed. The adjustable bracket includes a first bracket section having a first primary plate and a first secondary plate extending generally vertically from one end of the first primary plate; and a second bracket section having a second primary plate and a second secondary plate extending generally vertically from one end of the second primary plate, the first secondary plate and the second secondary plate being generally parallel such that the first secondary plate faces the second secondary plate. The second primary plate is movably coupled to the first primary plate such that the adjustable bracket can be in a compact, intermediately extended, or fully extended configuration by adjusting the bracket according to a width of the open frame PSU, the width being different for a first open frame PSU than for a second open frame PSU.

Abstract: A swivel bracket assembly and a method for installing an electrical component to a riser bracket assembly are disclosed. The swivel bracket assembly includes a baseplate; a swivel bracket rotatably attached to the baseplate, the swivel bracket being rotatable between an open position and a closed position; and pads attached to the swivel bracket, at least one of the pads being configured to contact and support the electrical component attached to the riser bracket assembly when the swivel bracket is in the closed position. A method for installing an electrical component to a riser bracket assembly includes receiving the electrical component into a slot of a riser circuit board and pivoting a swivel bracket rotatable coupled to a baseplate from an open position to a closed position to support the electrical component secured to the riser bracket assembly.

Abstract: A swivel bracket assembly and a method for installing an electrical component to a riser bracket assembly are disclosed. The swivel bracket assembly includes a baseplate; a swivel bracket rotatably attached to the baseplate, the swivel bracket being rotatable between an open position and a closed position; and pads attached to the swivel bracket, at least one of the pads being configured to contact and support the electrical component attached to the riser bracket assembly when the swivel bracket is in the closed position. A method for installing an electrical component to a riser bracket assembly includes receiving the electrical component into a slot of a riser circuit board and pivoting a swivel bracket rotatable coupled to a baseplate from an open position to a closed position to support the electrical component secured to the riser bracket assembly.