Patents by Inventor Haifang Zhai

Haifang Zhai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10522191
    Abstract: Embodiments of the present disclosure provide a method for managing a storage device and a storage device, the storage device including a chassis and a hard disk assembly. The method comprises: receiving a signal indicating a position of the hard disk assembly relative to the chassis, the hard disk assembly being slidably coupled to the chassis, and the signal being generated by an electromechanical element disposed on the hard disk assembly; and controlling a rotating speed of a fan based at least in part on the signal, the fan being disposed in the chassis and configured to blow wind to the hard disk assembly.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: December 31, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Haifang Zhai, Yujie Zhou, Hendry Xiaoping Wu, David Dong, Qingqiang Guo
  • Patent number: 10492315
    Abstract: A storage device carrier system includes a carrier assembly configured to releasably engage a storage device and configured to be releasably received within a storage device bay within an IT component. An electrical coupler assembly is configured to electrically couple the storage device to the IT component. A thermal sealing assembly is configured to reduce the leakage of cooling air from around the storage device carrier system.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 26, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Haifang Zhai, Yujie Zhou, Xiaoping Wu, Wei Dong
  • Publication number: 20190354157
    Abstract: Embodiments of the present disclosure provide a storage device and a method for powering the storage. The storage device is powered by a main power supply and the storage device comprises a processor, a baseboard management controller (BMC), a plurality of disks, a first backup power supply and a second backup power supply. The first backup power supply is at least coupled to the processor, and the second backup power supply is at least coupled to the baseboard management controller. Embodiments of the present disclosure enable flexible spatial arrangement of backup power supplies by arranging a plurality of backup power supplies in the storage device.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Inventors: Jesse Xizhi Cui, Alice Aiqin Liu, Haifang Zhai, Tao Yang, Jing Chen
  • Patent number: 10481664
    Abstract: Embodiments of the present disclosure provide a storage device and a method for powering the storage. The storage device is powered by a main power supply and the storage device comprises a processor, a baseboard management controller (BMC), a plurality of disks, a first backup power supply and a second backup power supply. The first backup power supply is at least coupled to the processor, and the second backup power supply is at least coupled to the baseboard management controller. Embodiments of the present disclosure enable flexible spatial arrangement of backup power supplies by arranging a plurality of backup power supplies in the storage device.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: November 19, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Jing Chen, Jesse Xizhi Cui, (Alice) Aiqin Liu, Haifang Zhai, Tao Yang
  • Publication number: 20190331157
    Abstract: Embodiments of the present disclosure relate to a screw, a manufacturing method thereof and an associated storage device. The screw includes a screw stem at least partly provided with threads; and a head comprising a rolling element, the rolling element protruding out of a surface of the head and adapted to form rolling contact with an object abutting against the head. By the screw according to embodiments of the present disclosure, an effective support can be provided to the storage device, without interfering with the plug operation of the storage device.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 31, 2019
    Inventors: Haifang Zhai, David Dong, Ricky Liu
  • Publication number: 20190332914
    Abstract: Embodiments of the present disclosure relate to a stabilizing apparatus for a plug-in card, a chassis including the stabilizing apparatus and associated manufacturing method. The stabilizing apparatus comprises a fixed part adapted for attaching the stabilizing apparatus to a chassis for supporting the plug-in card and a contact part electrically coupled to a ground terminal of the chassis and movable towards the plug-in card supported on the chassis along a first positive direction perpendicular to an extended plane of the plug-in card, so as to contact the plug-in card.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 31, 2019
    Inventors: Haifang Zhai, David Dong, Hendry Xiaoping Wu, Yujie Zhou
  • Publication number: 20190335615
    Abstract: The present disclosure provides an apparatus integrated with cooling components. The apparatus comprises heat generating components and cooling components for delivering a cooling airflow to the heat generating components. The cooling components are arranged along one side of the apparatus and upstream of the heat generating components along a direction of the airflow generated by the cooling components. The cooling components are rotatable towards an outside of the apparatus to expose the heat generating components. The apparatus integrated with cooling components of the present disclosure can effectively improve the maintenance efficiency of the cooling components and other important components.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 31, 2019
    Inventors: Haifang Zhai, Hendry Xiaoping Wu, Yujie Zhou, David Dong
  • Publication number: 20190335575
    Abstract: Various embodiments of the present disclosure provide a heat sink for a plug-in card and a plug-in card including the heat sink. The heat sink comprises a first part secured to a surface of the plug-in card and a second part coupled to the first part and being movable relative to the first part in a first direction, wherein the first direction is perpendicular to the surface of the plug-in card. In this way, when the second part and the first part have a larger overlap in the first direction, the heat sink has a smaller first height and when the second part and the first part have a smaller overlap in the first direction, the heat sink has a greater second height.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 31, 2019
    Inventors: Haifang Zhai, Hendry Xiaoping Wu, David Dong, Yujie Zhou
  • Publication number: 20190333545
    Abstract: Embodiments of the present disclosure relate to an enclosure for a disk array. The enclosure comprises a chassis for receiving the disk array. Each disk in the disk array is enclosed by a frame. The enclosure also comprises a heat sink including a plurality of metal bars arranged on a bottom face of the chassis. Each of the plurality of metal bars is adapted to contact a respective disk through a notch in the frame of the respective disk, to position the respective disk and to transfer heat generated by the respective disk to the chassis. In the embodiments of the present disclosure, the metal bars may be used not only for reliable positioning of the disks, but also for improving thermal dissipation performance.
    Type: Application
    Filed: January 9, 2019
    Publication date: October 31, 2019
    Inventors: HAIFANG ZHAI, HENDRY WU, DAVID DONG, YUJIE ZHOU
  • Publication number: 20190294192
    Abstract: Embodiments of the present disclosure relates to a method and device for balancing a supply current. In one embodiment, a current supply current for a load is detected. A first signal representing the current supply current is transmitted to a digital logic module. A second signal representing a maximum supply current and a third signal representing a minimum supply current are received from the digital logic module. A subsequent supply current for the load is determined based on the current supply current, the maximum supply current and the minimum supply current. By using the method and device according to the embodiments of the present disclosure, the supply currents of a plurality of power supply units for the load can be balanced a simple way with a low hardware cost.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Inventors: Sean Xu Chen, Jesse Xizhi Cui, Tao Yang, Haifang Zhai, Alice Aiqin Liu
  • Patent number: 10423183
    Abstract: Embodiments of the present disclosure relates to a method and device for balancing a supply current. In one embodiment, a current supply current for a load is detected. A first signal representing the current supply current is transmitted to a digital logic module. A second signal representing a maximum supply current and a third signal representing a minimum supply current are received from the digital logic module. A subsequent supply current for the load is determined based on the current supply current, the maximum supply current and the minimum supply current. By using the method and device according to the embodiments of the present disclosure, the supply currents of a plurality of power supply units for the load can be balanced a simple way with a low hardware cost.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: September 24, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Sean Xu Chen, Jesse Xizhi Cui, Tao Yang, Haifang Zhai, Alice Aiqin Liu
  • Publication number: 20190265762
    Abstract: Various embodiments of the present disclosure disclose a storage system. The storage system comprises: at least one storage device array enclosure, each of the storage device array enclosure accommodating storage devices, which are arranged in columns and have gaps existing between adjacent storage devices; each storage device array enclosure includes a cap for covering accommodated storage devices; the cap includes vents and windshield bars, such that when the cap is in a closed state, the vents abut against an upper surface of the corresponding storage devices and the windshield bars cover the gaps between adjacent storage devices.
    Type: Application
    Filed: October 26, 2018
    Publication date: August 29, 2019
    Inventors: Haifang Zhai, David Dong, Hendry Wu
  • Publication number: 20190223321
    Abstract: The present disclosure relates to a storage device and a method of controlling a rotation speed of a fan of the storage device. The storage device comprises: a housing comprising an opening; a fan arranged at an end of the housing opposed to the opening; a tray comprising a plurality of partitions arranged in rows and being operable to be drawn out of or inserted into the housing via the opening in a longitudinal direction of the housing; a plurality of tray position detectors respectively arranged on the plurality of partitions and configured to detect a relative position of the tray with respect to the housing; and a controller adapted to adjust a rotation speed of the fan according to the relative position detected by the tray position detector.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 18, 2019
    Inventors: Haifang Zhai, Hendry Xiaoping Wu, Yujie Zhou, David Dong
  • Publication number: 20190220072
    Abstract: In the embodiments of the present disclosure, a device having time division multiplexing capability of heat dissipation is provided, including: a first component and a second component arranged in different orientations; and a heat sink arranged to guide an air flow flowing through the heat sink to the first component and the second component respectively during different time periods. Therefore, the device having time division multiplexing capability of heat dissipation of the present disclosure may reduce the number of heat sinks in the device and thus, reduce the overall size of the device.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 18, 2019
    Inventors: Haifang Zhai, Hendry Xiaoping Wu, David Dong, Yujie Zhou
  • Patent number: 10349550
    Abstract: Embodiments of the present disclosure relate to a guiderail for a cabinet, a chassis and a cabinet. Specifically, the present disclosure discloses a guiderail (1) used in a cabinet (100) and the corresponding chassis (2) and the cabinet (100). The guiderail (1) is mounted in the cabinet (100) and used to fix the chassis (2) which can accommodate storage processing units (3) with different dimensions. According to the present disclosure, the guiderail (1) comprises a main body part (10) and an extended part (30), wherein the main body part (10) is used to support the chassis (2) when it is inserted into the cabinet (100) along the guiderail (1); and the extended part (20) is used to fix the storage processing unit (3) extending from the chassis (2) so that storage processing units (3) of different dimensions can share the chassis (2) with the same specification.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 9, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Alice Aiqin Liu, Qingqiang Guo, Haifang Zhai, Jacky Jianguo Pang, Michael Hao Zhou
  • Patent number: 10325474
    Abstract: Embodiments of the present disclosure relate to a solution for fault unit indication. In some embodiments, there is provided a method for positioning a fault unit. The method comprises supplying power to a controller and a light emitting diode (LED) circuit by a battery module, wherein the LED circuit includes a plurality of LEDs associated with a plurality of units. The method further comprises transmitting a trigger signal to the controller by the battery module in response to receiving a control signal for triggering positioning, such that an LED of the plurality of LEDs associated with a fault unit is turned on.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 18, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Jesse Cheng, Haifang Zhai, Wei Shu, Sean Xu, Sandburg Hu
  • Publication number: 20190171358
    Abstract: The present disclosure relates to an integrator for a storage device, a corresponding storage device and a method of manufacturing the same. The integrator comprises a base board comprising a first interface and a second interface; a connector coupled to the first interface of the base board, the connector being connectable with at least one server in the storage device; an input/output (I/O) part coupled to the second interface of the base board and connectable with an I/O device; and a switcher arranged on the base board and adapted to exchange data between the first interface and the second interface to support data transmission of the I/O device or other servers with the server via the integrator.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 6, 2019
    Inventors: Haifang Zhai, Hendry Wu
  • Publication number: 20190174657
    Abstract: Embodiments of the present disclosure provide a system and method for heat dissipation of a storage device. The system comprises: a guiding rail mounted in an enclosure of the storage device; a set of fans arranged on the guiding rail and being movable on the guiding rail, the set of fans being configured to dissipate heat of a disk assembly of the storage device; and a controller configured to: obtain a temperature of the disk assembly at a first time point; and in response to the temperature of at least one disk in the disk assembly exceeding a threshold temperature, perform at least one of the following: adjusting a position of at least one of the set of fans; and increasing a rotational speed of at least one of the set of fans.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 6, 2019
    Inventors: Haifang Zhai, Hendry Wu, David Dong, Yujie Zhou
  • Publication number: 20190170457
    Abstract: Embodiments of the present disclosure relate to a fixing device for a double-sided heat sink and an associated heat dissipating system.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 6, 2019
    Inventors: Haifang Zhai, Hendry Wu, David Dong, Yujie Zhou
  • Patent number: 10290964
    Abstract: Embodiments of the present disclosure provide an adapter for use in a storage device. The adapter comprises a substrate including a circuit board and adapted to support a PCIe card in the storage device; a first connector fixed on the substrate and electrically connected with the circuit board, the first connector adapted to connect to the storage device; and an adapting part connected with the substrate and electrically connected with the circuit board, the adapting part including a slot that is adapted to connect to a second connector of the PCIe card. In this manner, additional user-defined IC card functions and advanced features are supported while functions of the existing PCIe cards are fully utilized.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 14, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Angelo Huang, Sandburg Hu, Alice Liu, Lynn Kong, Haifang Zhai