160 results about "Rotary pump" patented technology

A pump can include a pump head, a body housing, a motor disposed within the body housing, and a motor shaft extending from the motor. The pump head can include a sensor, at least a first interface portion, and at least a first elongate conductor electrically connecting the sensor to the at least a first interface portion. The body housing can include at least a second interface portion and at least a second elongate conductor electrically connecting the at least a second interface portion to pump electronics. The sensor can be configured to sense when the at least a first interface portion does not contact the at least a second interface portion. When the at least a first interface portion does not contact the at least a second interface portion and the pump head is removed from the body housing, the pump head can be pivotable relative the motor shaft such that an orientation of the pump head can be changed with respect to the body housing.

The application belongs to the technical field of liquid ring vacuum pumps, and particularly relates to a rotatable pump body structure liquid ring vacuum pump, which comprises a pump body, an impeller, a pump shaft, a pump body side cover and a distributor, the pump shaft sequentially penetrates through the pump body, the distributor and the impeller and is rotationally connected to the pump body side cover, the impeller is fixedly installed on the pump shaft, and the pump body is internally provided with a rotating pump body structure surrounding the impeller. In the application, the pump shaft drives the impeller to rotate, the impeller drives the liquid ring to rotate at a high speed, the rotating liquid ring drives the rotating pump body to rotate through friction, the liquid ring and the rotating pump body are relatively static, and the friction and energy loss of the liquid and the rotating pump body are greatly reduced.

The utility model discloses a rotor pump which comprises a pump body, a pump cover, a pump shaft and a rotor, the pump shaft and the rotor are arranged in the pump body, the rotor is installed on the pump shaft and can rotate along with the pump shaft, the pump cover is fixedly arranged at one end of the pump body in a covering mode, the pump shaft is provided with a section of extension portion, and the extension portion extends out of the pump body. And a mounting mechanism is arranged between the extension part of the pump shaft and the pump cover and is used for supporting and sealing the extension part. The bearing capacity of the rotor pump can be improved, the service life of the pump shaft of the rotor pump can be prolonged, and various working condition requirements of high-pressure conveying can be met; the mechanical sealing condition can be observed at any time by opening the liquid discharging disc, whether leakage occurs or not is checked, and maintenance is conducted in time.

The utility model discloses an anti-blocking magnetic drive pump which comprises a driving motor, a driving motor body is connected with the output end of a reciprocating mechanism, the reciprocating mechanism can drive the driving motor to slide on a base plate, the output end of the driving motor is connected with an outer magnetic sleeve, and an inner cavity of the outer magnetic sleeve is in sliding connection with a transmission cylinder on the back side of a pump cylinder. An inner cavity of the transmission cylinder is in sliding connection with an inner magnetic block annularly arranged at the tail end of the transmission shaft, the inner magnetic block corresponds to an outer magnetic block on the inner cavity wall of the outer magnetic sleeve, an outer spline of a transmission shaft body is in axial sliding connection with an inner spline in the center of the impeller, and the transmission shaft body is in series connection with a plurality of scraping wheels which are attached to the inner wall of the pipeline. The transmission shaft in the magnetic drive pump can rotate and reciprocate under the combined action of the driving motor and the reciprocating mechanism, so that the transmission shaft can drive the impeller to rotate to pump liquid and dredge deposits in a pipeline through the scraping wheel, the phenomenon that the pump cylinder is blocked is avoided, and the liquid pumping efficiency of the magnetic drive pump is improved.

The utility model relates to mechanical seal flow guide mechanism technical field discloses a kind of comb tooth flow guide mechanism of enhanced mechanical seal protection circulation, including comb tooth flow guide ring, gland and shaft sleeve, gland is sleeved in the outer side surface of comb tooth flow guide ring, comb tooth flow guide ring is sleeved in the outer side surface of shaft sleeve, be provided with inclined slot on comb tooth flow guide ring, gland is provided with annular groove, and straight groove is equipped on the circumferential outer side surface of shaft sleeve.The utility model's inclined slot on comb tooth flow guide ring can effectively strengthen shaft sleeve rotating pumping effect, and enhance the circulating protection hydraulic head of mechanical seal protection circulation.In some small space, the circulating pumping structure that cannot be implemented other flow channel processing, using the utility model structure effect is better.

The utility model relates to the technical field of parching machines, and discloses a parching machine with a smoke recovery structure, which comprises a fixed shell, an outer cover shell is slidably connected in the fixed shell, two fixed blocks are fixedly connected at the front end of the outer cover shell, a rotating pump is rotatably connected in the fixed shell, and a smoke recovery device is arranged in the rotating pump. Two spring shells are fixedly connected to the front end of the fixed shell, limiting sliding blocks are slidably connected to the interiors of the spring shells, pushing connecting springs are fixedly connected to the opposite sides of the limiting sliding blocks, mounting columns are fixedly connected to the interiors of the limiting sliding blocks, and an oil tank is fixedly connected to the top end of the fixed shell. According to the utility model, the outer cover is detached, so that the inner part of the furnace chamber is more convenient to clean, residual food debris, grease and other dirt can be easily removed, the sanitation of the inner part of the furnace chamber is ensured, and each part is convenient to maintain.

Workpiece conveying device is provided with: a plurality of holding heads, with workpiece holding part and make it produce holding force vacuum pump; And conveying track (4), conveying a plurality of holding heads. Vacuum pump (22) has: pump part (34), be communicated with holding part, attract or eject gas; And shaft part (36), make pump part (34) operate by rotating. Shaft part (36) has the first magnet (48) of N pole and S pole around shaft magnetization alternately. Conveying track has the second magnet (18) extending along the transmission direction (D1) of holding head, the second magnet (18) is configured to generate N pole magnetic force and S pole magnetic force alternately in the transmission direction (D1), and generate magnetic force between the first magnet (48) of holding head. The magnetic pole of the part of the second magnet (18) generating magnetic force relative to the first magnet (48) is switched alternately, so that the shaft part (36) rotates, and the pump part (34) makes it produce holding force.

This invention discloses a repair and reinforcement device and method for wind power engineering, belonging to the technical field of wind turbine maintenance equipment. It includes a base and a solution tank placed on the base. A coating assembly is fixedly mounted on a movable base. The coating assembly is used to evenly coat the solution in the solution tank onto a fiberglass cloth. A movable brush roller rotates after contacting the blades. A pump delivers the evenly stirred polyester liquid in the solution tank to a first elastic pad. Then, a cut fiberglass cloth is placed on the polyester liquid. During the return stroke, the ratchet on the first telescopic rod rotates due to the meshing connection of the rack and pinion. The rotating ratchet causes the upper magnetic block to intermittently approach the lower magnetic block on the flyboard. Since the upper and lower magnetic blocks have the same magnetism at their proximal ends, the lower magnetic block is pushed away when they approach each other, causing the flyboard to continuously drive the second elastic pad to pat the fiberglass cloth, expelling internal air bubbles.

A rotary pump (10) comprises a housing (20) having a first (21) and second fluid port (22) and an interior surface defining a cavity (24) in which a rotor (30; 230) is located, wherein the rotor comprises at least a surface recess (231a-231d) forming at least a fluid-conveying chamber (232a-232d) with the interior surface of the housing. The pump further comprises at least a resiliently deformable diaphragm (50; 226) providing part of the interior surface of the housing and being urged into contact with the surface of the rotor by the action of pressurising means acting on the rear surface of the resiliently deformable diaphragm. The pump further comprises one or a pair of flow channels (41a, 41b; 241a, 241b) associated with the resiliently deformable diaphragm extending longitudinally from opposite ends of the rotor. In embodiments where the pump comprises one flow channel (575), the flow channel is in fluid communication with the first fluid port and an aperture (595) opens from the interior surface of the housing to place the second fluid port in direct fluid flow communication with the fluid-conveying chamber. In embodiments where the pump comprises a pair of flow channels (241a, 241b), the pair of flow channels comprise a first flow channel in fluid communication with the first fluid port and closed to the second fluid port and a second flow channel closed to the first fluid port and in fluid communication with the second fluid port, with each flow channel being located at opposite sides of the diaphragm. Embodiments of the invention exhibit continuous fluid flow when in use.

Lobe pumps have bearing discs or caps which can be located at least partially in at least one of cover plates and rotors, if not both to provide at least thrust bearings to space the rotors from the cover plates while facilitating the possibility of clean in place operations. Many embodiments have bearing discs on the rotors which do not restrict axial movement on the shaft, but prevent pumped material from contacting the shaft, and many embodiments have bearing discs friction fit in bearing cutouts and bores (through the rotor and / or cover plate) to facilitate removal when disassembled.

The utility model discloses a rotary pump pressure discharging concealer bottle, which comprises a bottle body, a rotary middle sleeve, a rotary shaft, a piston and a flexible coating head, the rotary middle sleeve is rotatably mounted at the upper end of the bottle body, the rotary shaft extends into the bottle body, and the upper end of the rotary shaft is fixedly connected with the rotary middle sleeve; the rotating shaft is provided with external threads, the piston is provided with internal threads matched with the external threads, the piston is installed outside the rotating shaft and is in threaded transmission fit with the rotating shaft, and when the rotating middle sleeve drives the rotating shaft to rotate in the forward direction, the piston can be driven to move downwards; a vertically-through through hole is axially formed in the rotating shaft, and a containing cavity is defined between the lower side of the piston and the inner wall of the bottle body and used for containing concealers; and the flexible coating head is arranged on the rotating middle sleeve and is communicated with the through hole. By rotating the rotary middle sleeve, the concealer can be pumped and discharged to the flexible coating head along the through hole for use, the concealer is easy to coat, a powder puff is not needed, the problem of concealer waste can be avoided, and the concealer is convenient and fast to use and convenient to carry.

Provided is a multi-stage double-shaft rotary pump and a multi-stage claw pump that can efficiently cool a multi-stage pump chamber and a rotor by air cooling or water cooling. The pump chamber is provided in multiple stages, has two rotary shafts (20A, 20B) and two rotors (21A, 21B, 22A, 22B) disposed in each stage of the pump chamber (11, 12), and has, in an inter-stage portion (30) disposed between a front-stage pump chamber (11) having a front-stage pump exhaust-side end wall (11a) provided with an exhaust port (11b) and a rear-stage pump chamber (12) having a rear-stage pump intake-side end wall (12a) provided with an intake port (12b), an inter-stage communication chamber (33) that communicates the exhaust port (11b) and the intake port (12b) at a middle in a left-right direction, a one-side inter-stage liquid cooling flow path (31) that enables cooling air or a coolant to flow from a lower side to an upper side on one side of the left-right direction, and a other-side inter-stage liquid cooling flow path (32) that enables cooling air or a coolant to flow from a lower side to an upper side on the other side of the left-right direction.

The application relates to a rotary pump device and an electronic atomizing device. The rotary pump device comprises a shell, a cam, a driving piece, a liquid delivery pipe and a cover. The shell is provided with a mounting groove on an end face and a mounting notch on a side face, and the inner wall of the mounting notch is provided with a first positioning convex part; the cam is arranged in the mounting groove; the driving piece is arranged at one end of the shell away from the mounting groove, one end of the driving piece is arranged in the mounting groove to drive the cam; the liquid delivery pipe is partially arranged in the mounting groove and sleeved with the cam, and both ends of the liquid delivery pipe are at least partially arranged outside the shell through the mounting notch; the cover is provided with a second positioning convex part, the cover is detachably connected with the shell, when the cover is connected with the shell, the cover covers the mounting groove and is partially arranged in the mounting notch, the first positioning convex part abuts against one side of the liquid delivery pipe close to the mounting groove, and the cover arranged in the mounting groove and the second positioning convex part jointly abut against both ends of the liquid delivery pipe. Therefore, the liquid delivery pipe is more stable, the flow of liquid supply is more stable, and the use is more convenient.

A fluid pump having a piston chamber forming body; a piston member that is moveable along a piston axis relative to the piston chamber forming body between an extended position and a retracted position; and a piston rotator that is moveable along the piston axis relative to the piston chamber forming body between an expanded position and a contracted position. When the piston rotator is moved between the expanded position and the contracted position, the piston rotator rotates about the piston axis relative to the piston chamber forming body. On movement of the piston rotator from the expanded position to the contracted position, the piston rotator rotates the piston member about the piston axis relative to the piston chamber forming body from a loading position to an engagement position.

A vane pump or motor assembly includes a housing having an inner cavity with an inner wall disposed about a first central axis. A rotor is disposed in the inner cavity and is rotatable about a second axis that is offset from the first axis to create a variable width space between the rotor and the inner wall. Vanes are moveably carried by the rotor and engage the inner wall to partition the variable width space into a plurality of chambers of increasing and decreasing volume in response to rotating the rotor. Each vane is in the form of a leaf vane having a mounting end formed with a hook portion and wherein the rotor includes corresponding recesses with latch portions that engage of each respective hook portion and supports the leaf vanes for outward swinging movement relative to the rotor for engaging the inner wall of the inner cavity.

Relates to a brake device, in particular for an electrically driven motor vehicle. The motor vehicle has two axles. At least one axle has an electric traction motor that drives and brakes wheels on the axle. Energy is recovered by the traction motor during braking. Each wheel has a brake. A pressure supply device is provided, which has a pump driven by an electric motor in the form of a piston-cylinder unit or a rotary pump and, by means of the piston-cylinder unit, both builds up and reduces pressure, has at least one pressure supply outlet, and is part of the pressure supply device. The pressure supply device has at least two outlet lines and at least two connection points connected to the brake circuit, the ABS / ESP unit and / or the actuation device. Each connection point is disconnected from the pressure supply device through a switching valve. Each outlet line is hydraulically connected to a pressure supply outlet directly or through a connection line. The open-loop and closed-loop control devices control the components of the traction motor and the pressure supply device such that different braking torques are provided at the axle or at the wheel brakes of the axle.

The present invention relates to a multi-flow port molecular pump with adjustable flow ports, the molecular pump comprising a base, a pump casing and a drag stage, the pump casing being detachably connected or rotatably connected to the base; the drag stage being arranged in the pump casing, the drag stage comprising a cylindrical drag stage stator, a plurality of first flow ports being axially spaced apart on the peripheral wall of the drag stage stator, the plurality of first flow ports being staggered with each other in the circumferential direction of the drag stage stator, a first connecting port being provided on the pump casing, the first connecting port being a strip-shaped opening that can cover all the first flow ports in the axial direction of the drag stage stator, and being suitable for connecting the first connecting port with any first flow port by rotating the pump casing. By adopting the above-mentioned design, during use, the pump casing can be rotated according to the requirements of the actual working conditions so that the connecting port thereon corresponds to the target flow port, thereby realizing the selection and adjustment of flow ports of different positions and performances, the adjustment method is simple and convenient, and there is no need to reprocess and assemble the pump casing and the stator in the pump, thus saving manpower and material resources.

A device to assist the performance of a heart with at least one pump that is formed as a rotary pump and magnetically driven.

The invention relates to a rotary pump for conveying a fluid, comprising a pump housing (2) with an inlet (3) for receiving the fluid, an outlet (4) for discharging the fluid; a pump shaft (6) configured for rotation about an axial direction (A); at least one impeller (5) fixedly mounted on the pump shaft (6) and a bearing assembly (7) comprising a bearing housing (71), wherein the bearing assembly (7) is configured to support the pump shaft (6). The sensor assembly (9) is arranged adjacent to the pump shaft (6) and is configured for measuring a magnetic signal generated by the pump shaft (6), wherein the sensor assembly (9) comprises at least one magnetic sensor (92) configured as a non-contact magnetic sensor (92). The invention further relates to a method for determining the operating conditions of such a rotary pump (1).

A vane pump or motor assembly includes a housing having an inner cavity with an inner wall disposed about a first central axis. A rotor is disposed in the inner cavity and is rotatable about a second axis that is offset from the first axis to create a variable width space between the rotor and the inner wall. plurality of vanes are moveably carried by the rotor and engage the inner wall to partition the variable width space into a plurality of chambers of increasing and decreasing volume in response to rotating the rotor. Each vane is in the form of a leaf vane having a mounting end formed with a hook portion and wherein the rotor includes corresponding recesses with latch portions that engage of each respective hook portion and supports the leaf vanes for outward swinging movement relative to the rotor for engaging the inner wall of the inner cavity.

The present invention relates to a blood pump (10) comprising a steering catheter (12) and a pump segment (14). The pump segment (14) is configured to be placed inside a human body and comprises an expandable and collapsible pump housing (20), an expandable and collapsible pump element (22) arranged within the pump housing (20), and an electric motor (32) configured to rotate the pump element (22). The steering catheter (12) comprises a distal end (16) and a proximal end (18), wherein the pump segment (14) is coupled to the distal end (16) of the steering catheter (12). The steering catheter (12) further comprises an elongated body (60) extending along a central axis between the distal end (16) and the proximal end (18), a working channel (64) extending at least partially within the body (60) from the proximal end (18) of the steering catheter (12) in a direction of the distal end (16) of the steering catheter (12), the working channel (64) being configured to removably receive a guide catheter (78).

The utility model relates to the field of rotor pumps, and discloses a leakproof cam rotor pump which comprises a shell assembly, a rotating shaft, a cam, a first leakproof assembly and a second leakproof assembly, a containing cavity used for containing a rotor and fluid media is arranged in the shell assembly, and the rotating shaft is connected with and drives the cam to rotate. The rotating shaft is sleeved with the first anti-leakage assembly, the first anti-leakage assembly is contained in the shell assembly, the first anti-leakage assembly is used for preventing leakage between the rotating shaft and the containing cavity, and the second anti-leakage assembly is detachably arranged at the bottom of the shell assembly and used for preventing leakage media from dropping to the ground. According to the anti-leakage cam rotor pump, the gap between the rotating shaft and the containing cavity is blocked through the first anti-leakage assembly, leakage is not prone to occurring, the second anti-leakage assembly is further connected to the bottom of the shell assembly in a bearing mode, fluid media are prevented from dripping on the ground to pollute the environment, and recovery is convenient.

An inner crescent block and an outer crescent block are arranged between a large gear and a small gear from inside to outside, and a round bar and an elastic piece are arranged between the inner crescent block and the outer crescent block. An inclined groove and a groove are formed in the periphery of the inner crescent block, the elastic piece is arranged in the inclined groove, the round rod is arranged in the groove, the round rod is parallel to the transmission shaft, the two sides of the elastic piece abut against the periphery of the inner crescent block and the inner periphery of the outer crescent block, and the small gear, the inner crescent block, the elastic piece, the outer crescent block and the large gear make contact in sequence. According to the bidirectional rotation internal gear pump provided by the utility model, through the innovative design of the crescent sealing ring and the separated crescent block, forward and reverse rotation oil pumping of the pump is realized, and meanwhile, the sealing performance and the control precision of the tooth top clearance are improved.

An example gear pump includes a pump housing having a pump housing channel and an arcuate groove disposed in an interior surface of the pump housing; a pump ring gear disposed within the pump housing and rotatable relative to the pump housing; a pump pinion disposed within the pump ring gear, such that teeth of the pump pinion engage with internal teeth of the pump ring gear; and a pump port block having a first port and a second port, wherein as the pump pinion rotates within the pump ring gear, fluid is drawn through the first port and provided to the second port for discharge, wherein a portion of fluid being provided to the second port is provided to the pump housing channel, wherein fluid from the pump housing channel is provided to the arcuate groove to apply a radially-inward force on the pump ring gear.

This invention discloses a lubrication system device for oilfield pumping units, belonging to the field of lubrication technology. The device includes a lubrication control box and external lubrication pipelines. The lubrication control box houses a two-stage, multi-channel, separately controlled lubrication pump, comprising a rotary lubrication pump and multiple follow-up adjustable piston metering pumps. The rotary lubrication pump drives the piston sleeves of each metering pump in reciprocating motion. Each metering pump has a built-in independent oil volume adjustment mechanism for precisely setting the single-output oil volume at the corresponding lubrication point. Furthermore, each metering pump is directly driven by mechanical power without relying on pipeline back pressure. This invention avoids the pressure loss caused by the passive obstruction of adjustment in traditional distributors, ensuring that both high and low lubrication points receive the required pumping pressure and oil volume. Simultaneously, the metering pumps and rotary pumps maintain mechanical linkage, resulting in reliable operation and high repeatability, making it suitable for long-term continuous operation in oilfields.

The application discloses a high-efficiency heat balance heavy-load robot rotary joint, which comprises a power source assembly, a heat balance oil source assembly and a high-torque output assembly. The power source assembly provides power through the relative rotation of the stator and the rotor, and drives the pump body of the heat balance oil source assembly to rotate and pump hydraulic oil. The heat balance oil source assembly comprises a main oil path and an auxiliary oil path. The main oil path supplies the hydraulic oil to the output assembly, and the auxiliary oil path is provided with auxiliary components such as overflow valves and one-way valves and is connected with an oil tank. The heat balance oil source assembly is provided with an embedded phase-change guiding active heat dissipation structure and can realize the high-efficiency heat balance of the rotary joint. The high-torque output assembly is driven by the hydraulic oil to realize rotary actuation, and simultaneously has an oil flow channel to realize cascaded multi-degree-of-freedom heavy-load output. The application can output an extreme torque far exceeding the limit torque of a traditional electric joint, has excellent overload capacity, can realize heat balance under heavy load and long-time stable operation, and can meet the requirements of robot heavy load and high dynamic motion.

The application discloses a hydraulic mechanical arm system for nuclear power station, which comprises a mechanical arm assembly, an openable and closable mechanical claw, a rotary motor assembly and a pump station assembly. The pump station assembly is arranged at one end of the mechanical arm assembly, and the hydraulic mechanical arm assembly is driven to perform pitching action. The mechanical claw is arranged at the other end of the mechanical arm assembly away from the pump station assembly, and is driven to open and close under the hydraulic drive of the pump station assembly. The rotary motor assembly is arranged on the pump station assembly, and is connected to and drives the mechanical arm assembly to rotate relative to the pump station assembly. The pump station assembly is connected with a vertical long-distance conveying assembly, and can move up and down along the length direction of the vertical long-distance conveying assembly. The hydraulic mechanical arm system for nuclear power station can drive the mechanical arm assembly and the mechanical claw to move up and down by moving the pump station assembly up and down along the vertical long-distance conveying assembly, and can clamp and carry workpieces. The mechanical arm assembly and the pump station assembly are integrated, the structure is compact, and the length of the hydraulic pipe arranged between the mechanical arm assembly and the pump station assembly is reduced.

The invention relates to the technical field of concrete, and discloses a portal type self-walking prefabricated wind power mixing tower ring piece pouring and tamping all-in-one machine which comprises a portal, universal walking wheels, a vibrating and tamping assembly, a pump pipe assembly and an infrared positioning device. Universal walking wheels are installed at the bottom of the portal, the upper portion of the portal is connected with a rotating platform through a rotating mechanism, the platform is provided with an extending arm capable of transversely moving and a vibrator, and the vibrator is connected with a vibrating rod perpendicular to the ground through a hose. Pump pipes, first-order and second-order rotary pump pipes and a discharge port are fixed on the portal frame, the pump pipes are connected through a slewing mechanism, and a ground pump is arranged on a platform on the lower portion of the portal frame. During working, the equipment automatically walks to the mold, the center of circle of the mold is positioned by infrared rays, materials are fed by the ground pump and are poured from the discharge port through the pump pipe, the rotary platform drives the pump pipe and the extension arm to annularly move, and the extension arm is matched with the vibrator to realize layered vibration. Pouring and tamping automation is achieved, cost is reduced, efficiency is improved, quality is guaranteed, station conversion is flexible, and transition is facilitated through modular design.

Apparatus and methods are described including an impeller configured, in a radially-expanded configuration thereof, to pump a fluid by rotating. A radially expandable cage is disposed around the impeller, such that, in radially-expanded configurations of the impeller and the cage, the impeller is separated from an inner surface of the cage. The impeller is disposed within the cage such that, in response to the cage becoming radially contracted and axially elongated, the impeller radially contracts and axially elongates. Other applications are also described.

A transfer case pump includes an oil pump, a cover assembly, and a torque transfer mechanism. The oil pump has a pump shaft and is configured to pressurize lubricant in response to rotation of the pump shaft. The pump shaft rotates about a pump axis. The pump axis is parallel to a rear axle axis of a rear axle. The pump axis is offset from the rear axle axis. The cover assembly has a passage configured to transfer the lubricant from the oil pump to the rear axle. The cover assembly extends around the rear axle and around the pump shaft. The torque transfer mechanism is configured to transfer torque from the rear axle to the pump shaft.