772 results about "Compression device" patented technology

A method for producing a crimp connection via a handheld pulling and compression device and to a handheld pulling and compression device for carrying out the method. For the handheld pulling and compression device, which enables reliable production of crimp connections, a control unit is provided for controlling the electric motor for adjusting the crimping punch between the crimp position and the open position, and a sensor unit connected to the control unit for monitoring the motor performance data when the crimping punch is adjusted in the direction of the crimp position. The control unit interrupts the adjustment of the crimping punch in the intermediate position when predefined first motor performance data are exceeded and / or undershot, adjusts the crimping punch further in the direction of the crimp position after reactivation and terminates the crimping process when predefined second motor performance data are reached.

The invention discloses an intelligent control method and system for limb pressurization equipment, and relates to the technical field of intelligent control. The current working state of the limb pressurization equipment is determined according to multiple pieces of working data of the limb pressurization equipment; the training report of the target limb is determined according to the current working state of the limb pressurization equipment, the multiple training pressure items and the overall form of the target limb, and the accuracy of the training report of the target limb is improved. Determining a plurality of training features according to the detection of the training report, and determining a pressure curve of the target limb according to the plurality of training features, the pressure condition of the target limb and the age of the user; determining an intelligent control event of the limb pressurization equipment based on the pressure curve of the target limb and the current working state of the limb pressurization equipment, and determining a dynamic early warning system of the limb pressurization equipment according to the intelligent control event, the abnormal signal of the limb pressurization equipment and the current body state of the user, and the accuracy of the dynamic early warning system of the limb pressurization equipment is improved.

The invention provides an intelligent compression device and method for maintaining the internal fistula function of a hemodialysis patient, and belongs to the technical field of intelligent compression. The device comprises a CMUT ultrasonic array, an errhysis sensor, a bioelectricity monitoring module, an infrared temperature sensing array, an AI intelligent decision module, a dynamic pressure adjusting system, an energy field intervention module and a microneedle drug delivery module. Through space-time alignment collection of multi-modal data, dynamic parameter optimization of an AI model and rapid cooperative response of an actuator, the internal fistula compression is spanned from experience dependence to accurate intelligence, and the hemostasis efficiency and the blood vessel protection effect are remarkably improved.

The utility model discloses a hemostasis compression device which comprises an arc-shaped pressing plate, and an inflation compression assembly used for conducting hemostasis compression on a bleeding position is installed on the surface of the inner periphery of the arc-shaped pressing plate. The hemostasis compression device has the advantages that the arc-shaped pressing plate is pressed on a bleeding position, preposed hemostasis compression can be conducted on the bleeding position by means of the hemostasis lining of the inflation compression assembly, and the arc-shaped pressing plate is fixedly bound to the periphery of the bleeding position through the binding assembly; the hemostasis lining can be further pressurized and pressed at the bleeding position for hemostasis operation in an inflating and pressurizing mode of the inflating and pressing assembly on the inner surface of the arc-shaped pressing plate, front hemostasis pressing and rear inflating and pressurizing hemostasis pressing on the bleeding position are achieved, and the manual operation mode that a nurse and an accompanying person press a hemostasis pad with the hands is replaced. And the working intensity of nurses and accompanying personnel is relieved, and it can be guaranteed that hemostasis operation on the bleeding position is smoothly completed.

The utility model discloses an M-shaped oil-free multi-stage supercharging piston type compressor, which comprises two first-stage compression devices, a second-stage compression device and a third-stage compression device, the air output ends of the two first-stage compression devices are connected with a trunk, the output end of the trunk is connected with a first-stage cooler, the output end of the trunk is connected with a second-stage cooler, and the output end of the second-stage cooler is connected with a third-stage cooler. The first-stage cooler is connected with a first-stage gas-liquid separator, the gas outlet end of the first-stage gas-liquid separator is connected with a first guide pipe, the first guide pipe is connected with the gas inlet end of the second-stage compression device, and the gas outlet end of the second-stage compression device is connected with the gas inlet end of the third-stage compression device. By arranging the two first-stage compression devices, the compressed air amount can be effectively increased, and the problems that in the prior art, the compressed air amount is increased by increasing the first-stage compression devices, so that the size of the whole machine is large, and inertia force balancing is not facilitated are solved. Meanwhile, the two first-stage compression devices are matched with the second-stage compression device and the third-stage compression device, so that the inertia force of each stage of compression device is convenient to balance.

An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume. The electric compressor includes integral pressure(s) and / or temperatures sensor(s).

The utility model provides gas compression equipment, an air suspension and a vehicle. The gas compression apparatus includes a cylinder and a piston member. The air cylinder comprises a cylinder body and an end cover. The end cover is connected to one end, in the first direction, of the cylinder body and defines a first cavity with the cylinder body. An air outlet is formed in the other end of the cylinder body in the first direction. A first air inlet channel is formed in the end cover. The piston piece is movably connected to the first cavity in the first direction. A first compression chamber and a second compression chamber are defined by the piston piece and the air cylinder. The first compression chamber communicates with the outside of the air cylinder through the first air inlet channel. The second compression chamber is communicated with the air outlet. A ventilation channel is formed in the piston piece. The air duct communicates with the first compression chamber and the second compression chamber. The structure of the piston piece is simplified, and therefore the machining difficulty of the piston piece can be reduced.

The invention discloses an arterial puncture point compression device after neurological interventional operation, and relates to the technical field of medical instruments, the arterial puncture point compression device comprises a mounting plate, the whole mounting plate is arc-shaped and can be better attached to the limbs of a patient, the bottom of the mounting plate is connected with a bridle, and a compression mechanism is further arranged in the middle of the mounting plate and comprises a downward pressing assembly and a pressing assembly; the mounting plate is rotationally connected; an abutting assembly is further arranged in the downward pressing assembly, and the abutting assembly makes contact with and abuts against the limbs of the patient through the downward pressing assembly to be bent upwards; according to the puncture point compression device, in view of the remarkable defects of an existing puncture point compression device in the aspect of pressure control, an original integrated transmission structure is reconstructed, a split type compression mechanism is innovatively adopted, and the compression mechanism is composed of a transmission assembly located at the upper portion and a pressing assembly located at the lower portion.

The utility model relates to the technical field of compression devices, and provides an anti-offset metal material compression test device which comprises a bottom plate and a support frame, a supporting frame is fixed to the top end of the bottom plate, a compression base is fixed to one side of the supporting frame at the top end of the bottom plate, and clamping structures are evenly arranged at the top end of the compression base. By arranging the clamping structure, in the process of clamping metal materials with different sizes and shapes, different clamping threaded rods are started to enable the clamping blocks to move in the sliding grooves through the convex blocks, and then the multiple sets of clamping blocks are used for clamping and positioning the metal materials; therefore, the purpose that metal materials with different sizes can be conveniently clamped and positioned, so that the metal materials are not prone to deviation in the compression process is achieved.

A compression device may include, but is not limited to, a threaded body, a sliding element, and a compression element connecting the threaded body and the sliding element. According to one embodiment, upon implantation, the threaded body contacts a first bony fragment and the sliding element contacts to a second bony fragment. In at least one embodiment, upon being engaged, the compression element applies sustained tension to the sliding element and opposing tension to the threaded body, thereby compressing the first bony fragment and the second bony fragment along a plane of contact promoting healing.

The invention belongs to the technical field of hydrogen energy, and particularly relates to an emergency treatment system and method for leakage of a hydrogenation mother station. The system comprises a hydrogen purification device, a compression device and a filling device which are connected in sequence, and matched pipelines, stop valves, regulating valves and pressure and flow detection meters. A plurality of leakage detection units are arranged in an easy-to-leak area, and a control unit is configured. According to the method, the false alarm rate is reduced through multi-sensor cooperative verification; when leakage is confirmed, intelligently judging that the leakage occurs in a purification, compression or filling device area by analyzing a pressure and flow change trend combination mode of an outlet of the purification and compression device; and according to different leakage areas, corresponding interlocking control logics are automatically triggered, and cutting-off, speed-controllable pressure relief and sectional nitrogen replacement procedures are executed. The problems of high false alarm rate, difficulty in leakage positioning, slow response and low replacement efficiency in the prior art are solved, and the safety and the automation level of the hydrogenation mother station are remarkably improved.

The utility model relates to the technical field of waste plastic treatment, and discloses a compression device for waste plastic treatment, which comprises a crushing box, four stand columns are fixedly mounted on the upper surface of the crushing box, a crushing mechanism is arranged on the crushing box, the crushing mechanism comprises an H-shaped top plate, a first hydraulic press, a first hydraulic rod and a first pressing plate, according to the compression device for waste plastic treatment, plastics are added into the crushing box, at the moment, a motor is started, the motor runs to drive two crushing rollers to rotate to crush the plastics, at the moment, a first hydraulic device is started, and the first hydraulic device runs to drive a first hydraulic rod arranged on the inner surface in a sliding and sleeving mode to move downwards; and a first hydraulic rod applies downward thrust to a first pressing plate fixedly mounted at the lower end, so that the pressing plate moves downwards on the outer surfaces of four stand columns, and at the moment, the first pressing plate applies pressure to the surface of the plastic, so that the plastic is difficult to roll on the surface of a crushing roller, and the plastic in different shapes is conveniently crushed.

A method for controlling a first reference temperature in an apparatus (1) for compressing a gas, the apparatus (1) comprising: an oil-injected element (2) for compressing the gas; and an oil injection pipe network (6) for injecting oil into the oil-injected element (2); the oil injection pipe network (6) comprising distribution means (8) for distributing oil to a first part and a second part; an oil cooler (10) cooled by a fan (9) for cooling the first part; and a bypass (11) for bypassing the second part over the oil cooler (10); wherein first a distribution rate of the first part is controlled to a required distribution rate, and then a speed of the fan (9) is controlled to a required speed, optionally based on the distribution rate, the distribution rate being controlled by a control unit (15) based on a non-fuzzy logic algorithm.

A delivery system for laterally delivering a prosthetic valve includes a compression device defining a lumen having a first perimeter at a proximal end, the first perimeter being larger than a second perimeter at a distal end of the lumen. A loading device is coupleable to the compression device and defines a lumen having approximately the second perimeter. The distal end of the loading device includes a first door movable between an open state and a closed state to at least partially occlude the lumen of the loading device. A delivery device defines a lumen having approximately the second perimeter. The proximal end of the delivery device is coupleable to the distal end of the loading device and includes a second door movable between an open state and a closed state to at least partially occlude the lumen of the delivery device.

An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume. The electric compressor including a scroll backpressure system, located at least partially, within a compression device body.

The utility model relates to the technical field of air pipe manufacturing, in particular to an air pipe connector pressing device which comprises a machine table, and a guide mechanism, a rolling mechanism and a re-pressing mechanism are sequentially arranged on the machine table in the feeding machining direction. The guide mechanism is used for directionally conveying a galvanized steel sheet to the rolling mechanism, and one side of the guide mechanism is connected to the feeding end of the rolling mechanism; the rolling mechanism is used for carrying out rolling forming on the galvanized steel sheet, and the tail end of the rolling mechanism is connected with the re-pressing mechanism; and the re-pressing mechanism is used for carrying out secondary bending and shaping on the rolled galvanized steel sheet. The rolling type of the air pipe connector can be adjusted according to production requirements through the pressing device, so that the equipment investment and the operation time are reduced, and the production cost is reduced; meanwhile, personal errors are reduced in the automatic machining process, the consistency and the sealing performance of each connector are ensured, the connector forming time is remarkably shortened, and then the production efficiency is improved.

A DVT prevention and / or mitigation device includes a wearable band having an inflatable bladder with an inflatable portion. When the wearable band is disposed about a user's leg, a majority of the inflatable portion of the inflatable bladder is positionable between the user's knee and a midpoint of the user's gastrocnemius muscle. The inflatable bladder is also inflatable to apply pressure to a portion of the user's gastrocnemius muscle, and a source of compressed air is coupled to the wearable band to deliver continuous compression cycles to the inflatable bladder at a frequency of at least 3 cycles per minute, each compression cycle having a compression period and a peak inflation pressure to induce cyclic flow in the user's venous valve sinuses from each successive inflation.

The utility model relates to the technical field of injection molds, and particularly discloses an injection compression device with a defoaming structure, which comprises a base, the base is set to be of an open square shell structure, and a lower mold is embedded in the base; sliding rods are symmetrically and fixedly connected to the surface of the base, a top plate is connected to the tail ends of the sliding rods, and a moving mechanism is arranged on the surface of the base and comprises an air cylinder installed at the bottom of the top plate. According to the injection molding compression device with the defoaming structure, the moving mechanism is arranged, defoaming can be conveniently conducted on the injection molding compression device, an air cylinder pushes an upper mold to move downwards, the upper mold and a lower mold are attached, when a first magnet moves to the surface of a second magnet, the first magnet pushes the second magnet to move outwards, and at the moment, a baffle and the lower mold lose contact; and the air cylinder pushes the upper mold and the lower mold to move at the same time, the interior is vibrated, internal bubbles can be discharged, and the practicability of the device is improved.

The present invention relates to a device for applying pressure to a body part of a subject, wherein the device comprises a plurality of pressure units and each pressure unit comprises a support structure and a movable member having three translational degrees of freedom relative to the support structure, wherein each pressure unit is connected or connectable to a control unit adapted to control the movement of the movable member relative to the support structure of the pressure unit.

A device for compressing limbs and a method for compressing lower limbs by using same are provided. The limb compression device comprises: first to Nth air cells sequentially arranged from a front end of a limb toward a body in the longitudinal direction of the limb; a pressure adjustment unit, which can inject air into the N air cells and discharge the air from the air cells so as to pressurize and depressurize same; and a control unit for controlling operation of the pressure adjustment unit. The N air cells are divided into: a first cell group including one or more air cells arranged closer to the front end of the limb; and a second cell group arranged closer than the first cell group to the body. The control unit performs over-pressurization control in which the first cell group is pressurized up to an over-pressure level and then depressurized, and then performs sequential pressurization control in which the first cell group is pressurized, the second cell group is subsequently pressurized, and then the first cell group and the second cell group are depressurized.

This utility model relates to the field of chest compression technology, specifically a chest compression device with a chest strap. One end of the chest strap is fixedly connected to an elastic band. A compression mechanism is located on the left side of the front of the chest strap to facilitate compression of the patient's wound. The compression mechanism includes an observation hole ring, a lower transparent membrane, an observation ring, an upper perforated transparent membrane, and a zipper. An installation window is provided on the front of the chest strap, facing the inner hole of the observation hole ring, which is installed on the outside of the installation window. The lower transparent membrane is fixedly connected to the inside of the observation hole ring, and the upper perforated transparent membrane is fixedly connected to the inside of the observation ring. The observation ring is located on the outside of the observation hole ring, and the chest strap and the observation ring are detachably connected via a zipper. A sandbag is clamped between the upper and lower perforated transparent membranes. This device facilitates the switching between compression of the chest wound after pacemaker surgery and postoperative wound observation.

The invention relates to a compression device (10) for a drive train (100) of a motor vehicle (K), comprising at least two compressors (30, 40) driven via a common shaft (20), of which a first compressor (30) of the at least two compressors (30, 40) is configured for pre-compression of a medium (14) and of which a second compressor (40) of the at least two compressors (30, 40) is configured for post-compression of the medium (14), and comprising a cooling device (50) through which the medium (14) flows, the at least two compressors (30, 40) being connected to each other via the medium-carrying system, and which is arranged downstream of the first compressor (30) and upstream of the second compressor (40) for cooling the medium (14). Further aspects of the invention relate to a drive train (100) with a compression device (10) and a motor vehicle (K).

An automated chest compression device has a shaped actuator rotatably mounted about a shaft and a chest compression plate configured to move linearly based on the shape of the actuator, wherein engagement of the actuator with the chest compression plate converts rotary motion of the actuator into linear motion of the chest compression plate, and whereby, when the device is positioned against the chest of a patient in need of CPR, rotation of the actuator causes the chest compression plate to move linearly in a direction towards and away from the patient's chest and to thereby induce compression and to allow decompression, respectively, of the patient's chest.

The utility model relates to a kind of inner pressure tool for special-shaped frame machining in the technical field of special-shaped part processing, including cushioning block, installation base plate, press block and compression bolt, installation base plate is located in the cushioning block top surface, its two sides extend outward;The outer edge of installation base plate top surface is equipped with positioning ring groove, the positioning ring groove has radial positioning ring surface and axial positioning plane, the chute groove bottom is equipped with vertical through waist-shaped hole along its length direction;The utility model is designed by being equipped with the positioning ring groove with radial positioning ring surface and axial positioning plane, and by compression bolt from below through waist-shaped hole and screw connection in press block, by screwing bolt, downward tension is generated, so that press block firmly presses down workpiece, compared with upper compression device in the prior art, the inner pressure tool saves clamping space, facilitate tool path planning, especially suitable for complex structure or space limited special-shaped frame workpiece.

The invention discloses a compression device which comprises a compressor core, a core bearing body and an electric connecting piece, the core bearing body is provided with an inner cavity, at least part of the compressor core is located in the inner cavity, the core bearing body comprises a first wall, the first wall is the wall, surrounding the peripheral side of the compressor core, of the core bearing body, and the electric connecting piece is welded to the first wall; and the electric connecting piece is connected with the compressor core. The invention further discloses a heat management integrated assembly, the electric connecting piece is welded to the first wall, the electric connecting piece and the first wall are connected firmly and reliably, the risk of connection failure of the electric connecting piece and the machine core bearing body caused by aging, damage and the like of the sealing piece is reduced, and the reliability of the heat management integrated assembly is improved. Therefore, the reliability of the heat management integrated assembly of the compression device is improved.

The utility model provides a raw material compression device for a crusher, and belongs to the technical field of compression devices. Comprising a compressor; the compression assembly is arranged in the compressor, the compression assembly comprises a pressing head rotationally arranged in the compressor, a protection plate is arranged at the bottom of the pressing head, and a clamping plate is fixedly connected to the side, close to the pressing head, of the protection plate; by arranging the compression assembly and the protection plates, the blocking effect can be achieved, raw materials are prevented from making direct contact with the pressing head, then the pressing head is protected, the protection plates are divided into multiple parts, the cost for replacing the protection plates can be reduced, each protection plate is provided with a clamping plate and a first clamping block, and when the protection plates are pushed into the pressing head, the pressing head can be conveniently replaced. And the fixing column is clamped with a notch formed in the pressure head, so that the protection plate is preliminarily fixed, the protection plate is conveniently separated from the pressure head, and the replacement efficiency of the protection plate can be improved.

The present application relates to the technical field of breast compression, more particularly to a breast compression device for radiodiagnosis and a method for using the same, which comprises the following steps: Step 1, contacting the breast with the plurality of compression balls and contacting the nipple with the rubber cavity and storing it into the hovering cavity; Step 2, driving the idling cavity to rotate by the driving member, driving the plurality of curved plates to rotate by the rotation of the idling cavity, and contacting the plurality of rotating compression balls with the mammary glands on the breast to complete the compression massage treatment of the mammary glands; Step 3, during the compression treatment of the mammary glands, rotating the telescopic lead screw to adjust the position of the curved bowl cavity, thereby changing the oscillation amplitude of the plurality of compression balls and finally changing the compression strength of the mammary glands; Step 4, changing the position of the bearing seat plate on the support member, contacting the other breast with the plurality of compression balls, and contacting the other nipple with the rubber cavity and storing it into the hovering cavity to complete the compression treatment of the other mammary gland.

The present invention relates to a fluid compression device (1) comprising a first compression chamber (3) and a second compression chamber (4), an intake system (2) communicating with the first compression chamber (3), a transfer system (6) communicating with the first compression chamber (3) and the second compression chamber (4), and a mobile piston (5) for ensuring the compression of the fluid in the first compression chamber (3) and in the second compression chamber (4). The device (1) further comprises a discharge orifice (7) communicating with the second compression chamber (4) and configured to allow the exit of the compressed fluid, wherein the second compression chamber (4) is delimited by a portion of the body of the piston (5) and by a fixed wall of the device, the piston (5) being translatable according to a longitudinal direction (A), the piston (5) having a tubular portion mounted around a fixed central guide (8), the extremity of the central guide (8) forming the fixed wall delimiting a portion of the second compression chamber (4). The device (1) further comprises a sealing system (10) formed between the central guide (8) and the piston according to the longitudinal direction (A) of translation of the piston (5), the intake system (2) being located at a first end of the device (1), the discharge orifice (7) being located at a second end of the device, and the transfer system (6) being located between the intake system (2) and the discharge orifice (7).

A refrigerant circuit includes a first compressor connected to a first suction pipe and a first discharge pipe and configured to compress a refrigerant, a second compressor connected to a second suction pipe and a second discharge pipe and configured to compress the refrigerant discharged from the first compressor, a radiator, and a high-pressure passage connecting the second discharge pipe and the radiator. A first oil drain passage guides an oil in the second compressor to one of the first suction pipe and an intermediate port of the first compressor, without via the high-pressure passage.