52 results about "Return channel" patented technology

A helmet liner has a central spine, a front panel, and a plurality of arms. First and second side rails each form at least one track. Each of the arms are integrated with the at least one track on one of the first or second side rails. The first end of first and second side rails is secured to the front panel. The second end of each of the first and second side rails forms a cable return channel. Selective lengthening and shortening of first and second loops of cable integrated with a dial system, each loop of the cable being fed through a respective one of the cable return channels at the second end of the first side rail and the second side rail, permits the helmet liner to loosen or causes the helmet liner to tighten, respectively

The invention relates to the field of solid waste utilization, in particular to a building waste recycling device. The metal recycling device comprises a base, a conveying box, a feeding part, a material arranging box, a flow dividing channel, a metal recycling barrel, a returning channel and a discharging assembly. The conveying box is positioned on the group of bases, the lower end is used for feeding, and the upper end is used for discharging; the pressing and cutting assembly is arranged at the top of the material arranging box, and the material pushing assembly is arranged at the bottom of the material arranging box. The flow dividing channel is connected between the conveying box and the material arranging box, one end of the built-in flow dividing assembly feeds materials through the conveying box, and after waste materials are divided, the other end of the built-in flow dividing assembly enables the waste materials which are not divided to enter the material arranging box. One end of the metal recycling barrel is communicated with the material arranging box, and the other end is communicated with the shunting channel through a recycling pipeline. The return channel is located below the flow dividing channel and connected between the conveying box and the material arranging box. The discharging assembly penetrates through the bottom of the return channel. The invention provides an efficient and reliable solution for reutilization of building wastes.

The invention relates to the technical field of ball screw pair transmission, and discloses a split buckling type ball screw pair reverser structure and a circulating method thereof.The split buckling type ball screw pair reverser structure structurally comprises a ball screw, a ball nut (8) and balls, the ball screw is sleeved with the ball nut (8), a spiral raceway is arranged between the ball screw and the ball nut (8), and the balls are arranged in the spiral raceway; the ball nut (8) is provided with a reverser (1), and the reverser (1) is formed by buckling an upper piece and a lower piece through a mortise and tenon joint structure (7); a ball return channel (2) communicated with the spiral raceway is arranged in the reverser (1); the curve curvature of the ball return channel (2) enables the ball to be tangent to the lead angle and the pitch diameter of the ball screw in the spiral direction; and a smooth transition structure is adopted at the joint of the reverser (1) and the ball nut (8). The device is simple in structure, high in assembly precision, stable in operation, low in noise and suitable for various specifications.

A device comprises a tube with a tube HTS solenoid, wherein a projectile in a sabot comprising a sabot HTS solenoid. A method comprises disposing a seed HTS crystal on a growing crystal in contact with an a-b plane of the seed HTS crystal to grow the growing crystal, wherein the a-b plane is perpendicular to a c-axis. A method comprises disposing a seed HTS crystal on a growing crystal in contact with a b-c plane of the seed HTS crystal to grow the growing crystal, wherein the b-c plane is perpendicular to an a-axis. A device comprises a reinforced HTS material in a graphene casing, wherein the HTS in the graphene casing includes a cooling channel and a return channel.

The invention relates to a hydrodynamic retarder, comprising a retarder chamber in which a rotatably mounted rotor and a stator are arranged, which together form a working chamber that can be filled with a working medium and can be emptied from the working medium. The retarder further comprises a working medium tank, which has a region for receiving the working medium that is not present in the working chamber and an expansion region, at least one filling channel for feeding the working medium into the working chamber and a return channel for discharging the working medium from the working chamber, and a rotor housing, a stator housing, and a tank housing. According to the invention, it is proposed that the working medium tank comprises a storage region and a trough region, and that a coupling plane is arranged on the tank housing below the trough region, through which coupling plane at least one second channel is guided, which is suitable for being directly or indirectly coupled to an outlet on the primary side of the heat exchanger.

Flow frame (10) for an electrochemical cell, in particular for a cell of a redox flow battery, wherein the flow frame (10) defines at least one electrode space (14) for receiving an electrode, comprising: - at least one supply channel system (16, 16-1, 16-2) for supplying electrolyte into the electrode space (14), wherein the supply channel system (16, 16-1, 16-2) comprises a fluid connection (20, 20-1, 20-2) which is fluidically connected to the electrode space (14) via supply channel structures (22, 22-1, 22-2); - at least one return channel system (18, 18-1, 18-2) for returning electrolyte from the electrode chamber (14), wherein the return channel system (18, 18-1, 18-2) comprises a fluid connection (24, 24-1, 24-2) which is fluidically connected to the electrode chamber (14) via return channel structures (26, 26-1, 26-2); wherein the supply channel structures (16, 16-1, 16-2) and / or the return channel structures (18, 18-1, 18-2) comprise a plurality of secondary channels (32) which branch off at separate positions of the respective fluid connection (20, 24) and open into the electrode space (14) via inflow regions (34) wherein the secondary channels (32) each have a plurality of sub-channels (38), wherein the secondary channels (32) each comprise a plurality of secondary channel segments (46-1, 46-2, 46-3, 46-4), which each have a plurality of sub-channels (38) and which are arranged one behind the other along the extension of the respective secondary channel (32) from the fluid connection (20, 24) to the electrode space (14), wherein at least one secondary channel segment (46-3) of at least one secondary channel (32) has a smaller number of sub-channels (38) than a secondary channel segment (46-2) located upstream of this secondary channel segment (46-3) along the extension of this secondary channel (32) from the fluid connection (20, 24) to the inflow region (34).

The present invention discloses a return passage (15) for a centrifugal turbine (1). The return passage includes a plurality of return passage vanes (15.1) arranged around a return passage axis (A-A). Each return passage vane (15.1) includes a leading edge (15.3) at a first distance from the return passage axis (A-A) and a trailing edge (15.5) at a second distance from the return passage axis, the second distance being less than the first distance. A respective flow passage is defined between each pair of adjacent return passage vanes (15.1). The return passage vanes (15.1) are arranged around the return passage axis (A-A) with a non-constant pitch.

The invention provides a circulating guide assembly and a linear guide rail device. The circulating guide assembly is applied to the linear guide rail device and comprises a first forming body and two second forming bodies. The first forming body comprises a rolling body retaining part and two end connecting plates arranged at the two ends of the rolling body retaining part respectively, and the rolling body retaining part is used for being matched with a sliding block load channel to retain a rolling body in the sliding block load channel; the second forming body comprises two combined bodies, each combined body comprises a tubular return channel part and an inner guide part arranged at one end of the return channel part, and the two combined bodies are connected into a whole at one end of the inner guide part. According to the linear guide rail device, through high-precision cooperation of all the components of the circulating guide assembly, the segment difference of the combination portions of all the components in the linear guide rail device can be reduced, the running smoothness is improved, meanwhile, the assembling convenience is improved, and the production cost is reduced.

The utility model discloses a ball screw pair and linear actuator belongs to transmission structure technical field, the ball screw pair includes nut, screw and ball, first spiral groove and second spiral groove cooperate to form spiral raceway, be equipped with a plurality of ball in the raceway, the axial length of nut is greater than the axial length of transmission portion, and the screw is equipped with the ball. A groove is formed in the peripheral face of the transmission part, a return block is embedded in the groove, a part of the second spiral groove is formed in the outer side surface of the return block, a return channel communicated with the roller path is arranged between the inner side of the return block and the transmission part, and the balls moving to one end of the roller path return to the other end of the roller path through the return channel. The linear actuator adopts the ball screw pair. The balls complete circulation in the transmission part, a return structure does not need to be arranged on the nut, the structure of the nut can be simplified, the appearance of the nut is kept regular, and the balls cannot fall out of the roller path.

Instrument control system (100) which is at least partially arranged in a vehicle and comprises the following: a data storage device (113); a processor (101) which communicates with both the data storage (113) and a control bus (111) of the vehicle; a display (103) which communicates with the processor (101) via a display channel (104) which has a maximum transmission bandwidth, wherein the display (103) receives display data from the processor (101) with a first transmission bandwidth which is less than the maximum transmission bandwidth; and an instrument cluster (105) comprising several instruments (107) which communicate with the processor (101) via the display channel (104), wherein the several instruments (107) include at least one of the following: a general-purpose input / output expander (107a), a stepper motor driver (107c), a speedometer, a tachometer, an engine thermometer, a fuel gauge or a warning tone generator; wherein the multiple instruments (107) jointly receive data from the processor (101) with a second transmission bandwidth that is not greater than the difference between the maximum transmission bandwidth and the first transmission bandwidth, and the processor (101) is capable of controlling each of the multiple instruments (107); wherein the unused bandwidth of the display channel (104) forms a return channel (109) between the processor (101) and the instrument cluster (105); wherein the instruments (107) using the return channel (109) have common bandwidth requirements which are less than the difference between the maximum transmission bandwidth and the first transmission bandwidth, the second transmission bandwidth is used for the exchange of control data between the processor (101) and the instrument cluster (105).

Injector (100) for injecting a reagent, the injector (100) comprising: a housing (102, 104); an axially displaceable valve element (130) positioned within the housing (102, 104); an electromagnet (200) positioned within the housing (102, 104) and having a wire coil (202) circumscribing at least a portion of the valve element (130), the valve element (130) moving between a seated position and an unseated position in response to energization of the electromagnet (200); a flux frame (207) surrounding the coil (202), the frame having first and second radially extending portions (214, 264) axially spaced from each other and extending along substantially parallel planes positioned on opposite sides of the coil (202); a flux sleeve (220) having two magnetic flux bridge collar sections (224, 226) connected by either a magnetic flux bridge section (228') or a non-magnetic flux break section (228), each of the two magnetic flux bridge collar sections (224, 226) being intersected by one of the planes (216, 266) in which the radially extending flux frame sections lie to define flux bridges, the flux bridge section or the flux break section being surrounded by the coil (202) and positioned axially between the parallel planes (216, 266); a tubular rod piece (164) disposed within the housing (102, 104), the rod piece (164) defining a return channel (184) for reagent flow when the valve element (130) is in the seated position and / or the unseated position; and a filter (302) positioned within the housing (102, 104) and surrounding the rod piece (164), the filter (302) comprising a cage (306) and a mesh (304) attached to the cage (306), the mesh (304) covering windows (364) extending through the cage (306), the cage (306) having a deformable first seal (320) biasedly engaging an outer surface of the rod piece (164), the cage (306) having a second seal (330) biasedly engaging the housing (102, 104), the first and second seals (320, 330) defining a closed volume between the housing (102, 104) and the filter (302) such that the entire flow through the injector (100) flowing reagent flows through the mesh (304).

The utility model discloses a kind of reversers and ball screws, it is related to ball screw pair technical field;For with the return channel of the circulation rolling of ball of ball nut internal communication formation, including reverser body, reverser body is set up along length direction and is used to form the return channel's return rotary groove;The two sides of reverser body along width direction are connected with the die body, the side of die body along height direction can extend and protrude in return rotary groove preset height, to be inserted and connected in ball nut;The length direction of return rotary groove two ends respectively extends preset distance towards return channel, so that the length direction of return rotary groove two ends respectively forms the first guide part and second guide part for guiding ball into return rotary groove, which can be connected with return channel.

The embodiment of the invention provides a cache performance detection method and device and a storage medium, which can be applied to the technical field of artificial intelligence chips, in the method, based on the number of active cycles of loading a storage cache and the number of active cycles of an application running on an artificial intelligence chip, the active rate of loading the storage cache is obtained; obtaining the blocking condition of the interface component based on the blocking rates of the interface component in the loading storage cache in the request channel dimension and the data channel dimension; obtaining the blocking condition of the communication component based on the blocking rates of the communication component in the load storage cache in the data receiving channel dimension and the return channel dimension; based on the active rate, the blocking condition of the interface component and the blocking condition of the communication component, the performance detection result of the loading storage cache is obtained, detection from the whole loading storage cache to the blocking condition of each component is achieved, the coverage rate of the loading storage cache is increased through the layered detection method, and the detection efficiency is improved. Therefore, the accuracy of performance detection is improved.

A surf pool attraction is described that includes a return channel configured to collect and redirect water back into a surf basin of the surf pool attraction. Various embodiments are described that include configurations in which the return channel is covered by grating panels that improve navigability of the surf pool attraction while still allowing water to be collected in the return channel. The return channel can include a peripheral channel portion that extends around a periphery of one side of the surf pool and a central channel portion that connects to and extends from the peripheral channel portion toward a central region of the surf basin.

The utility model belongs to screw vacuum pump technical field, concretely relates to screw vacuum pump exhaust muffler. In view of the deficiency that the existing screw vacuum pump exhaust muffler fails to better give consideration to the sound attenuation effect and volume, the utility model adopts the following technical scheme: the screw vacuum pump exhaust muffler includes: cylinder, has annular wall, air inlet end wall and air outlet end wall, air inlet, exhaust port, first baffle, along the radial setting of cylinder, first pipeline, second baffle, along the radial setting of cylinder, second pipeline, first baffle is close to air inlet, second baffle is close to exhaust port, and first baffle and second baffle divide the cylinder into axially distributed air inlet chamber, middle chamber and air outlet chamber, first pipeline is connected with air inlet chamber and air outlet chamber, and second pipeline is connected with middle chamber and exhaust port, and the screw vacuum pump exhaust muffler still includes the return channel that is connected with middle chamber and air outlet chamber, the utility model has the advantages of: the sound attenuation path is longer and the structure is relatively compact.

A return channel for a centrifugal turbo machine. The return channel includes a plurality of return channel vanes, arranged around a return channel axis. Each return channel vane includes: a leading edge at a first distance from the return channel axis, a trailing edge at a second distance from the return channel axis, the second distance being smaller than the first distance. A respective flow passage is defined between each pair of adjacently arranged return channel vanes. The return channel vanes are arranged with a non-constant pitch around the return channel axis.

The invention discloses a steel and elastic ball compounded cambered worm and worm gear transmission mechanism which comprises a worm and worm gear box, a worm gear cavity used for mounting a worm gear is formed in the top end in the worm and worm gear box, a worm cavity used for mounting a cambered worm is formed in the bottom end in the worm and worm gear box, and a spiral semicircular raceway is formed in the outer surface of the cambered worm. A plurality of elastic balls and rigid balls are alternately arranged in the spiral semicircular raceway, a ball return channel is formed in the arc-shaped worm, the two ends of the ball return channel are connected with the starting point position and the final point position of the spiral semicircular raceway respectively to form a closed loop, and a ball protection sleeve is arranged outside the arc-shaped worm. And the worm gear is embedded into an arc opening in the axial direction above the ball protection sleeve. The rigid balls can perform pure rolling on the spiral semicircular raceways, friction and abrasion are greatly reduced, transmission efficiency is improved, gapless transmission is achieved, energy loss is reduced, and meanwhile the service life of the transmission mechanism is prolonged.

The invention relates to a recirculating ball segment (1) for an adjusting unit of a steering column of a vehicle, comprising a cage (15) which at least partially forms support channels (3) and return channels (4) of two recirculating ball guides, a plurality of balls (5) which are arranged in the support channels (3) and return channels (4), and a spring element (6) by means of which the balls (5) located in support channels (3) are spring-loaded, with a load direction (8) which is oriented perpendicular to a plane formed by the support channels, and a movement direction (9) which extends in the direction of the support channels (3), wherein the spring element (6) is rounded in a central region (7) which is adjacent to the return channels in the load direction (8), transverse to the movement direction (9) of the recirculating ball segment (1).

A conveyance apparatus, and method of using the same, allowing an item or box 28 conveyed on top of a sprung block chain (Fig 8) to be retained in position by the resilience of block chain links 27. The weight of item 28 causes sprung blocks (9, Fig 1) on which it rests, to dip into channel (1) as long as the force produced by such an item is sufficient to compress springs (8). Sprung block (9) sits deeper within channel (1) than when in the sprung-up position (Fig 2), with the sides of block (9) being stabilised by the vertical sides of the channel. Chain (4) remains in the same position within gully (2), it is the sprung block which changes position relative to the chain and its fixed brackets. With the block in its lower position, the integral bolts (10) are shown below the brackets having extended through the hole (6), with the nut (3) attached to the bottom of each bolt, and no longer in contact with the underside of the bracket. Each sprung block (9) comprises spring (8), articulating face (12), stop ridge (17), spring compression plunger (16), locator hole (14), chain link (13), axle pin holes (19) and a ridge clip (18). In use, as shown by the figure, also shown are return channel 21, sprockets 23, axle pins 25, up portion 26, and block chain links 27.

An apparatus (1) for processing and recycling white slag generated from a steelmaking process includes: at least one basic frame (2); at least one working chamber (3) rotatable about an associated axis (A) and configured to receive and process the white slag (S), which moves forward along at least one processing direction (D), the working chamber (3) including: at least one loading section (8) through which the white slag (S) is loaded; at least one cooling section (10) disposed downstream of the loading section (8) and including: at least one processing channel (11) for the white slag (S); and a cooling device (12) including at least one coolant (F) to cool the white slag (S) to obtain at least one recycled powder (R); at least one sorting and separating section (13) for the recycled powder (R), the at least one sorting and separating section being relative to the processing direction. The cooling unit (12) is arranged downstream of the cooling section (10); wherein the cooling section (10) includes a plurality of processing channels (11) separated from each other, each of the processing channels being adapted to receive a portion of the white residue (S) generated due to the rotation of the working chamber (3), and wherein the cooling device (12) includes at least one delivery channel (21) for sending the coolant (F) countercurrently toward the loading section (8) relative to the processing direction (D), at least one return channel (22), and at least one inlet manifold (42), the at least one return channel being arranged to send the coolant (F) around the delivery channel (21) parallel to the processing direction (D) toward the sorting and separating section (13), and the at least one inlet manifold being arranged at the point where the loading section (8) is located and being adapted to transfer the coolant (F) from the delivery channel (21) to the return channel (22).

The invention relates to a nut-inverted ball screw pair which comprises a ball nut and a ball screw axially moving relative to the ball nut, six nut spiral raceways are arranged on the inner wall of the ball nut, and correspondingly, six screw spiral raceways are arranged on the outer wall of the ball screw. The nut spiral raceways and the lead screw spiral raceways are matched one by one to form six spiral raceways; the ball screw is internally provided with six backflow channels arranged in the axial direction in a penetrating mode, and the backflow channels are evenly distributed in the circumferential direction of the ball screw. The six spiral raceways and the backflow channels are in one-to-one correspondence and are respectively divided into two groups which are arranged at intervals; the two ends of the ball screw are each provided with a returner, and the returners are internally provided with a corresponding number of return channels which are communicated with the corresponding spiral raceways and the corresponding backflow channels respectively. A circulation channel is defined by the spiral raceway, the backflow channel and the corresponding return channel of each group, and the two circulation channels are not communicated with each other and are respectively provided with a ball circulation chain; the ball screw pair has the characteristics of high bearing capacity and compact design.

The application discloses a linear guide rail pair, which comprises a guide rail body, a sliding block, a return piece and a plurality of rolling balls, the guide rail body is provided with a first rolling groove; the sliding block is slidingly installed on the guide rail body, the sliding block is provided with a second rolling groove, a return channel and a ball return groove, the second rolling groove and the first rolling groove are combined into a sliding channel, one side of the ball return groove is provided with a first opening, and two ends of the ball return groove are communicated with the second rolling groove and the return channel respectively; the return piece is welded on the sliding block and closes the first opening; and the plurality of rolling balls are arranged in the sliding channel and can roll along the sliding channel. The linear guide rail pair can avoid machining positioning holes and threaded holes, has simple machining process, high yield, effectively reduces production cost, and has smooth rotation of the steel balls, smooth operation of the linear guide rail pair and reliable performance.

The invention provides an onboard optical coupling device which is connected between two data processing devices. The onboard optical coupling device includes an optical waveguide having a plurality of alignment channel units and a plurality of waveguide channels. The first photonic device includes a plurality of first return channels and a first optical channel. The second photonic device includes a plurality of second return channels and a second optical channel. In the one-time alignment process, the multiple first optical channels and the multiple second optical channels are optically aligned with the corresponding waveguide channels, and meanwhile the first return channel and the second return channel are optically aligned with the alignment channel unit, so that the optical alignment efficiency is improved.

Embodiments of the present application provide a cache performance detection method and device and a storage medium, which can be applied to the field of artificial intelligence chip technology. In the method, the active rate of the load-store cache is obtained based on the number of active periods of the load-store cache and the number of active periods of an application program running on the artificial intelligence chip; the blocking condition of the interface component in the load-store cache is obtained based on the blocking rate of the interface component in the request channel dimension and the data channel dimension; the blocking condition of the communication component in the load-store cache is obtained based on the blocking rate of the communication component in the data receiving channel dimension and the return channel dimension; and the performance detection result of the load-store cache is obtained based on the active rate, the blocking condition of the interface component and the blocking condition of the communication component, so as to realize the detection of the blocking condition of each component from the whole load-store cache. Such a layered detection method improves the coverage of the load-store cache and thus improves the accuracy of performance detection.

By the present invention, a cooling device (1) is described which comprises a body (2) which has a body inner wall (34) provided in a manner encircling at least one storage compartment and a body outer wall (3) provided in a distanced manner to the body inner wall (34), an evaporator assembly (9) which at least partially extends in a longitudinal direction (x) of the body inner wall (34) and which has an evaporator (10); wherein the evaporator assembly (9) comprises an evaporator heater (13) which has heater horizontal part (37a) in a manner extending in the longitudinal direction (x), and wherein in order to provide return of the air, which exists in a first storage compartment (7) which has an inner space (39) where the evaporator assembly (9) is at least partially positioned, to the evaporator (10), the evaporator assembly (9) has at least one return channel (28) provided at a side facing the first storage compartment (7). In the invention, the return channel (28) is provided in a manner opening to a lower part (38) of the evaporator (10) in a manner not overlapping with the heater horizontal part (37a) in a depth direction (z) which is from the first storage compartment (7) towards the evaporator assembly (9).

A fluid heater (100) includes at least one heating element (10) and at least one casing (20). The casing (20) includes a first and a second portion (20a) and (20b), a partition groove (22), an inlet and an outlet (24) and (26). The first and second portions (20a) and (20b) are assembled to define an enclosure receiving the heating element (10). The partition groove (22) divides casing (20) into a first chamber (20d) receiving fluid from the inlet (24) and defining a first pass “A” and a second chamber (20e) delivering fluid to the outlet (26) and defining a second, return pass “B”. The casing (20) is formed with an intermediate connecting portion (28) to define an U-turn trajectory “C” forming fluid communication between the first and the second chambers (20d) and (20e) along plane of heating element (10) and extending in longitudinal direction along lateral side of heating element (10).

The invention comprises an axial compressor (1), comprising a rotatably mounted rotor (2), an inner housing (3) arranged around the rotor (2), a flow channel (4) arranged between the rotor (2) and the inner housing (3), the flow channel (4) being designed to compress a flow medium, an inflow region arranged upstream of the flow channel (4), an outflow region (7) arranged downstream of the flow channel (4), a return channel (22) which is fluidically connected to the outflow region (7), a coolant supply channel (23) which is fluidically connected to the return channel (22), the coolant supply channel (23) being designed for the flow of cooling medium, the return channel (22) and the coolant supply channel (23) opening into a common cooling line (13), the cooling line (13) opening into a region between the rotor (2) and the inner housing (3).

The present invention relates to a manual and automatic control system for the crushing and screening production process of fused magnesia, comprising: a control unit, an actuator connected thereto, and a sensing unit; the actuator includes a first frequency converter and a first motor connected thereto, a second frequency converter and a second motor connected thereto, and a third motor; the first motor is connected to a blanking bin in an electric feeding device; the second motor is connected to a crusher in a crushing device; the third motor is connected to a vibrating screen in an electric vibrating device; the sensing unit includes a vibration amplitude detection device and a vibration return material detection device; the vibration amplitude detection device is arranged on the vibrating screen of the electric vibrating device; the vibration return material detection device is arranged on a material return channel between the vibrating screen and the crusher; the present invention is provided with an emergency stop button and an automatic stop program, which ensure the safety of the production process when abnormal working conditions occur.