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57 results about "Disk pack" patented technology

Disk packs and disk cartridges were early forms of removable media for computer data storage, introduced in the 1960s.

Waveform disks for use in a disk-pack turbine

A pair of waveform disks for use in a disk-pack turbine used, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid into an expansion chamber and then through at least a portion of a waveform pattern present between at least two disks. The disks having waveform patterns on at least one side.
Owner:QWTIP LLC

Self-healing virtualized file server

In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I / O transactions with the one or more virtual disks, and a virtualized file server self-healing system configured to identify one or more corrupt units of stored data at one or more levels of a storage hierarchy associated with the storage devices, wherein the levels comprise one or more of file level, filesystem level, and storage level, and when data corruption is detected, cause each FSVM on which at least a portion of the unit of stored data is located to recover the unit of stored data.
Owner:NUTANIX INC

Brake or clutch device

A brake or clutch device, comprising a housing (2) with a disk pack (4) arranged in the housing interior (3), comprising an outer disk carrier (7) with at least one outer disk (8) arranged thereon for axial movement and an inner disk carrier (9) with at least one inner disk (10) arranged thereon for axial movement, and a coolant receiving chamber (12) provided on the housing (2) for receiving a coolant (27) to be supplied to the disk pack (4), wherein the coolant receiving chamber (12), which can be filled with the coolant (27) via an external coolant supply device connectable to a connection means (15) of the coolant receiving chamber (12), is arranged above the disk pack (4) and communicates with the housing interior (3) via at least one opening (18) in such a way that the coolant (27) flows onto the disk pack (4) due to gravity when the opening (18) is open.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

Anti-fall spike device

To provide a fall prevention spike device that adjusts the center of gravity of the spike device, reduces the risk of falling, and improves overall stability. [Solution] The spike device includes a light attachment end 1 and a fixed disk 2, the fixed disk includes a plurality of limiting through holes 23, and the limiting through holes are provided at different positions on the fixed disk, the light attachment end passes through the limiting through holes and is attached to the fixed disk, and the light attachment end passes through the different limiting through holes and is attached to the fixed disk, thereby adjusting the center of gravity of the spike device. By adjusting the connection positions of the light attachment end and the fixed disk so as to accommodate spike lights with shifted centers of gravity, the center of gravity of the spike device is adjusted, the risk of falling is reduced, and the overall stability is improved, and the presence or absence of an outer disk 21 allows it to accommodate various mounting environments with different areas.
Owner:DONGGUAN JIASHENG LIGHTING TECHNOLOGY CO LTD

Hydraulic or pneumatic actuation arrangement of a lamella switching element

A hydraulic or pneumatic actuating arrangement with a multi-disk switching element having an actuating cylinder (8) connected to a hydraulic or pneumatic supply for actuating a disk pack of the multi-disk switching element, wherein a double-acting actuating cylinder (8) is provided with a first pressure chamber (10) associated with a first piston surface (9) and a second pressure chamber (12) associated with a second piston surface (11), wherein the two piston surfaces (9, 11) have different effective areas, wherein the first pressure chamber (10) and the second pressure chamber (12) are connected to one another during a first actuating phase to overcome a clearance (s) in the multi-disk switching element, and wherein the first pressure chamber (10) and the second pressure chamber (12) are separated from one another during a second actuating phase to close the multi-disk switching element, characterized in thatthat in the first actuation phase, the first pressure chamber (10) and the second pressure chamber (12) are subjected to a first actuation pressure (P1) of the hydraulic or pneumatic supply, and that in the second actuation phase, the first pressure chamber (10) is subjected to a second, higher actuation pressure (P2) of the hydraulic or pneumatic supply, and the second pressure chamber (12) is depressurised.
Owner:ZF FRIEDRICHSHAFEN AG

Storage facility

Storage device (1) in the interior of a motor vehicle, with a package (3) of slats (4-9) which is movable between a stowed position and a use position, wherein the slats (4-9) extend transversely to the direction of movement and are movable relative to one another, characterized in that one end of the slat package (3) is fastened to a centering shaft (25) which is arranged centrally in a housing (10), wherein the housing (10) comprises a housing base body (13) which extends in a circumferential direction around the centering shaft (25) and represents a receiving space for the slat package (3) in the stowed position, wherein the housing (10) comprises two housing covers (14, 15) which close off the housing base body (13) at the ends of the centering shaft (25), wherein at least one end (26) of the centering shaft (25) projecting out of the housing through one of the housing covers (14, 15) is provided with a pre-tensioned spring device (16) engages,wherein the spring device (16) is designed as a spiral spring (17) and is fastened to the housing cover (15), wherein a guide and support device (30) for the disk pack (3) is arranged in the housing (10), which guide and support device comprises at least three support rollers (31-33) which bear against the disk pack (3), wherein the guide and support device (30) comprises at least one drive roller (34) which is frictionally connected to the disk pack (3).
Owner:DR ING H C F PORSCHE AG

Rotor of an electric asynchronous machine and method for its production

A rotor of an electric asynchronous machine including a shaft, a rotor core and short-circuit rings attached to end faces of the rotor. The shaft has an outer lateral radial surface, a cavity extending axially, at least one passageway located on the lateral surface, and at least one channel connecting the cavity to the passageway. The rotor core has at least one channel extending therein. At least one of the short-circuit rings is composed of at least two ring-shaped disks interconnected to form a disk pack. At least one disk of at least one short-circuit ring has recesses arranged such that a channel structure is formed in the short-circuit ring and is in fluidic connection with at least one channel of the rotor laminated core and fluidically connects the at least one passageway on the shaft lateral surface to at least one channel of the rotor core.
Owner:WIELAND WERKE AG

Data management system, data management method and device and terminal equipment

The invention provides a data management system, a data management method, a data management device and terminal equipment, the data management system comprises an index construction module, the index construction module is used for constructing a logic space for a disk and constructing an address index between the disk and the logic space, the disk comprises a three-layer storage device TLC and a four-layer storage device QLC, and the logic space is used for constructing an address index between the three-layer storage device TLC and the four-layer storage device QLC; each of the TLC and the QLC comprises a plurality of physical blocks, the logic space comprises logic blocks in one-to-one correspondence with the plurality of physical blocks, the address index comprises a plurality of index entries, and each index entry is used for recording one physical block and the corresponding logic block. Through the data management system, the storage space of the terminal equipment has the characteristics of high performance and large capacity, and the effect of efficiently managing the data in the storage space of the terminal equipment is realized.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Magnetic disk drive and data control method

ActiveUS12300270B2Record information storageDigital signal formattingShingled magnetic recordingData control
According to one embodiment, a magnetic disk drive of shingled magnetic recording (SMR), wherein user data is written to a disk with a header such as a preamble attached thereto, for each data frame including a plurality of blocks, which is a data area in a track of the disk to which the user data is written.
Owner:KK TOSHIBA +1

Control method and device of storage system, electronic equipment and storage medium

The invention discloses a control method and device of a storage system, electronic equipment and a storage medium, and relates to the technical field of computers, through a preset risk prediction model, a failure risk index of each disk in the storage system is calculated, and a high-risk disk is identified. Then, the failure risk index of the disk group is calculated according to the failure risk index of each disk, a high-risk disk group is identified, a to-be-marked disk is selected from the high-risk disk group without the high-risk disk, and then, all the high-risk disks and the to-be-marked disk in the storage system are subjected to disk replacement. According to the method, the disk and the disk pack with the failure risk in the storage system can be processed in time, the disk with the high failure risk and the disk pack with the high failure risk can be rapidly identified, data backup and replacement are carried out in time, it is ensured that the number of the failure disks in the storage system does not exceed the fault-tolerant capability of the system, the failure risk of the storage system is effectively reduced, and the reliability of the storage system is improved. And the reliability of the system is ensured.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Magnetic recording device and layered structure

Provided is a magnetic recording device, said magnetic recording device comprising a plurality of magnetic disks which each include a substrate and a magnetic recording layer formed on the substrate and a spacer which is disposed between the plurality of magnetic disks and which is for stacking the magnetic disks with a prescribed interval therebetween, wherein after a thermal shock test, the change in the flatness of the magnetic disks is not more than 5.0 μm. In the thermal shock test, a temperature raising and lowering program in which, inside a thermal shock device, the magnetic recording device is kept at 70°C for 30 minutes, subsequently cooled to -40°C over two minutes and kept at -40°C for 30 minutes, and then increased in temperature to 70°C over two minutes is repeated for five cycles.
Owner:HOYA CORPORATION

Magnetic disk device

PendingCN121662093ARecording/reproducing/erasing methodsTrack selection/addressing detailsDisk packEngineering
Provided is a magnetic disk device capable of efficiently searching for commands. According to the present embodiment, a magnetic disk device includes a magnetic disk, a memory, and a controller. The disk includes a plurality of regions to which unique addresses are assigned, respectively. The memory stores a plurality of unprocessed commands. The controller stores a database of a tree-like structure in a memory. The configuration includes a plurality of nodes associated with each of a plurality of addresses specified by each of a plurality of unprocessed commands, and two of the plurality of nodes are associated with each other. The controller selects a candidate command from a command associated with an address larger than the start address and closest to the start address and a command associated with an address smaller than the start address and closest to the start address, the candidate command being a candidate to be executed next among the plurality of unprocessed commands.
Owner:KK TOSHIBA +1

A permanent magnet disk for a permanent magnet coupler and a permanent magnet coupler

The present application discloses a permanent magnet disk for a permanent magnet coupler and a permanent magnet coupler, relating to the technical field of permanent magnet couplers. The permanent magnet disk for the permanent magnet coupler includes: a permanent magnet disk body, on which at least two roller receiving grooves are provided; rollers, with one roller located in one roller receiving groove; wherein, during the operation of the permanent magnet coupler, when the permanent magnet disk of the permanent magnet coupler approaches and contacts the conductor disk of the permanent magnet coupler, the conductor disk first contacts the roller and forms rolling friction with the roller after contact. By providing rollers in the present application, when the conductor rotor contacts the magnet rotor, it first contacts the rollers. Since the rollers are cylindrical, rolling friction is formed between the two.
Owner:DATONG BASHIKA MASCH MFG CO LTD +1

Solid state disk adaptable to low-temperature environment

The utility model relates to the technical field of solid state disks, and discloses a solid state disk adaptable to a low-temperature environment, which comprises a hard disk pack and a circuit, the circuit is assembled on the front side of the hard disk pack, a sealing mechanism is slidably arranged at the top of the hard disk pack, the sealing mechanism comprises a sealing plate, the sealing plate is slidably connected with the hard disk pack, and a limiting block is assembled at the bottom of the sealing plate. L-shaped clamping blocks are assembled on the two sides of the bottom of the sealing plate, clamping mechanisms are assembled on the two sides of the hard disk set and comprise T-shaped arms, clamping plates are connected to the outer portions of the T-shaped arms, and springs are assembled between the T-shaped arms and the hard disk set. According to the solid state disk capable of adapting to the low-temperature environment, the hard disk pack is prevented from falling off, meanwhile, when the clamping mechanism limits the solid state disk pack, the clamping mechanism can be limited to return by the closing mechanism, the clamping mechanism can reinforce the closing mechanism when not in use, and the situation that parts in the hard disk pack are affected by low temperature due to movement of the closing mechanism is avoided.
Owner:HONGQIN (BEIJING) TECHNOLOGY CO LTD

A magnetic recording apparatus, a multi-state disk, and a read / write method

The application discloses a magnetic recording device, a multi-state disk and a read-write method, and belongs to the field of magnetic storage. The magnetic recording device comprises a substrate and a magnetic recording film above the substrate. The magnetic recording film is circular and comprises three ferromagnetic layers separated by two non-magnetic intermediate layers. The easy magnetization directions of the three ferromagnetic layers are along the x, y and z directions respectively. The z direction is the vertical direction, and the x and y directions are in-plane directions and are along the radial direction and the tangential direction respectively. The multi-state disk comprises the magnetic recording device, a read head, a write head and magnetic shielding layers on both sides of the read head. The write head comprises a vertical magnetic pole and two pairs of horizontal magnetic poles, and coils wound on the magnetic poles. The read head comprises a spin current generation layer and a film layer structure (a magnetic tunnel junction, a spin valve or a Hall bar). The application can improve the storage density of the magnetic recording device, thereby greatly improving the storage density of the disk based on the magnetic recording device.
Owner:HUAZHONG UNIV OF SCI & TECH

Lightweight, thermally stable disk for a coaxial travelling wave tube (CoTWT)

A lightweight, thermally stable disk for use in a slow wave structure (SWS) of CoTWT is configurated without sacrificing thermal management, structural integrity, or RF performance. Refractory metal is removed from regions of the disk where no RF interaction is expected and replaced with resistive ceramic material. The disk includes one or more central ribs positioned about the periphery of a central hub. A plurality of U-shaped receptacles may extend from the one or more central ribs. The disk is plated with a patterned metal to define laminar conductive tabs spaced around the periphery that are separated by solid resistive ceramic tabs and to electromagnetically connect all exposed refractory metal surfaces. The plating metal must be capable of being deposited and patterned in a thin layer of 10 to 100 microns, exhibit a Young's Modulus of <100 GPa to provide both the ductility and malleability to plastically deform and exhibit an electrical conductivity at least and preferably greater than that of the refractory metal.
Owner:RAYTHEON CO

Method for manufacturing magnetic disk, magnetic disk, and magnetic disk precursor

A magnetic disk used in a hard disk drive device includes a substrate; a magnetic recording layer; and a heat insulating layer provided between the substrate and the magnetic recording layer. Even though a substrate has low heat resistance, as a result of providing the heat insulating layer, the substrate can be used as a substrate for a magnetic disk that can withstand heat treatment (high-temperature annealing).
Owner:HOYA CORPORATION +1

Detecting security exceptions across multiple compute environments

A system and method for applying cybersecurity policies across multiple computing environments is presented. The method includes: generating an inspectable disk from a disk of a first workload deployed in a first computing environment, the computing environment including a cybersecurity policy applicable to a cybersecurity object; detecting the cybersecurity object on the inspectable disk; generating a policy exception; generating a representation of the cybersecurity object and the first workload in a security database, wherein the security database includes a representation of the first computing environment and a representation of a second computing environment which is associated with the first computing environment; detecting in the representation of the second computing environment a representation of a second workload associated with the representation of the first workload; and applying the policy exception to the second workload based on detecting that the second workload is associated with the first workload.
Owner:WIZ INC

Dishwasher including a flow controller assembly

A dishwasher including a washing fluid conduit system, a sump, and a flow controller assembly is provided. The sump includes washing fluid outlets, a channel formed within the sump at least partially defined by a cap and connected to an outlet for supplying washing fluid outside of the sump, and an extra outlet in fluid communication with the channel. The flow controller assembly includes a positioning device and a disk rotatably arranged in relation to the washing fluid outlets and the extra outlet of the sump. The disk includes apertures arranged for selectively closing and opening the washing fluid outlets and the extra outlet of the sump during rotation of the disk. When the positioning device aligns an aperture of the disk with the extra outlet of the sump, washing fluid is permitted to pass from the sump to outside of the sump through the channel.
Owner:ELECTROLUX APPLIANCES

Flexible heating magnetic disk and permanent magnet induction heating equipment

The invention relates to a flexible heating magnetic disk and permanent magnet induction heating equipment, the magnetic disk comprises a plurality of groups of magnetic steels, a central guide column, a central sliding disk, a locking rod and a turning mechanism, the magnetic steels are distributed along the circumferential direction, and the magnetic steels move along the radial direction to adjust the disk radius of the flexible magnetic disk; a plurality of clamping grooves are formed in the central guide column in the axial direction; the central sliding disc is sleeved outside the central guide column and can move along the axial direction of the central guide column; the locking rod is arranged on the center sliding disc in a penetrating mode in the radial direction, clamping teeth are arranged at the end, close to the center guide column, of the locking rod, and the locking rod enables the clamping teeth to be clamped into the clamping grooves by being close to the center guide column or enables the clamping teeth to be separated from the clamping grooves by being far away from the center guide column. The input end of the turning mechanism is connected with the locking rod, and the output end of the turning mechanism is connected with the magnetic steel and used for converting axial movement of the center sliding disc into radial movement of the magnetic steel. The axial movement of the central sliding disc can be converted into the radial movement of the magnetic steel in a limited space, so that the radial position of the magnetic steel is adjusted, and the magnetic steel is adaptive to different hubs.
Owner:JIANGXI LIANOVATION SUPERCONDUCTOR APPL CO LTD

Disk data processing method, device, equipment and storage medium

This application provides a disk data processing method, apparatus, device, and storage medium. The electronic device includes M disks, each disk including at least two logical partitions, the M disks including N disk groups, and each disk group including logical partitions from at least two disks. Each disk group contains at least one backup partition used to back up data from other logical partitions within the disk group. The method includes: determining whether to perform data repair on a first logical partition of a first disk among the M disks; if so, obtaining the first disk group containing the first logical partition; determining a first backup logical partition of the first logical partition from the first disk group; and repairing the data of the first logical partition using backup data stored in the first backup logical partition. This method improves the concurrent processing efficiency during disk repair and reduces the read / write pressure on the disk.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD +2

Hard disk drive multiple disk pack stacking structure

A multi-disk pack hard disk drive includes first and second spindle motor assemblies mounted one over the other on a base post. Each motor assembly may include a compact axial flux motor. The motor wiring for each may be routed within a structural cutout feature of the base post to an electrical connector at the base. A compact threaded disk clamp and motor hub interface may be implemented to further reduce the vertical height of the multi-disk pack assembly.
Owner:WESTERN DIGITAL TECHNOLOGIES INC

Combined magnetic disk for grinding end face of roller

The utility model relates to the technical field of roller processing equipment, in particular to a combined magnetic disk for grinding end surfaces of rollers, which comprises a clamping seat, a disk body for clamping and fixing the rollers is arranged on the clamping seat, the disk body is formed by combining a plurality of single-piece bin seats, a connecting module is arranged between the disk body and the clamping seat, and the disk body is formed by splicing the single-piece bin seats. And after abrasion occurs in the operation process, independent replacement can be conducted according to the abrasion position, and compared with replacement of an existing whole disc body, production materials can be saved.
Owner:LUOYANG WEICHUANG BEARING MOLD

Coupling device

Clutch device (1), comprising a vibration damping arrangement (2) and at least one partial clutch (3, 4) with a disk pack (9, 14) formed from inner disks (6, 11) assigned to an inner disk carrier (5, 10) and outer disks (8, 13) assigned to an outer disk carrier (7, 12), wherein the vibration damping arrangement (2) is arranged downstream of the disk pack (9, 14) of the at least one partial clutch (3, 4) on the transmission side, wherein the vibration damping arrangement (2) has at least two damping devices (19, 20) connected to one another by means of a connecting element (22), wherein two receiving elements (26, 27) connected to one another are provided, between which one of the at least two damping devices (19, 20) is received and coupled to the receiving elements (26, 27), wherein one of the receiving elements (26, 27) is provided with a Inner disk carrier (5, 10) or outer disk carrier (7, 12) of the at least one partial clutch (3,4), wherein the connecting element (22) is arranged between the two receiving elements (26, 27) and the two receiving elements (26, 27) are connected to one another by means of coupling elements (28), each of which passes through a recess in the connecting element (22).
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

System installation method and device, electronic equipment and storage medium

This application discloses a system installation method, relating to the field of computer processing technology. The method includes: obtaining an installation package for a first system; responding to an installation command for the first system, partitioning a first physical storage area from an unused storage area of ​​a second physical storage region in a target physical storage disk, wherein a second system is installed in the second physical storage area; and installing the installation package into the first physical storage area, so that the target physical storage disk includes both the first and second systems. This application enables the installation of multiple systems on a single physical storage disk, eliminating the need to first bear the computational overhead of virtual machines when multiple systems are running simultaneously, thus reducing the computational overhead of the device when multiple systems are running concurrently.
Owner:NEW H3C INTELLIGENCE TERMINAL CO LTD

System for detecting angular sectors, in particular for a gyrostabilized platform on a vehicle of aircraft type

The invention relates, according to a first aspect, to a detection system (1) for detecting angular sectors, comprising a non-magnetic disk or disk portion (5), the disk (5) comprising at least one main track (2) arranged on a part of a circumference of the disk (5), the detection system (1) comprising a first Hall sensor (6) arranged facing the main track (2) in a direction orthogonal to a plane in which the disk (5) is contained, each main track (2) consisting of multiple permanent magnets (4) of north or south polarity, each main track (2) comprising at least one magnet of north polarity and at least one magnet of south polarity, so as to define angular sectors (7) along the part of the circumference of the disk (5) in accordance with the polarity of the permanent magnets (4).
Owner:SAFRAN ELECTRONICS & DEFENSE (FR)

A variable disk with adjustable sliding specifications

This utility model discloses a variable disk with adjustable sliding dimensions, belonging to the field of heating. The variable disk with adjustable sliding dimensions includes a housing. Multiple sets of magnet assemblies are slidably disposed on the housing. Each magnet assembly includes a magnetic box containing a permanent magnet, and the multiple magnetic boxes are circumferentially distributed on the housing. A driving element is connected to the housing, and the driving end of the driving element drives the magnetic boxes to slide and adjust via a reduction gear transmission assembly. By slidably distributing multiple sets of magnet assemblies on the housing, and allowing the magnetic boxes containing permanent magnets to be slidably disposed on the housing, the position of the magnetic boxes can be adjusted, thereby adjusting the overall dimensions of the disk to suit different wheel hub workpieces.
Owner:研亿(泰安)电子科技有限公司