99 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 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.

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.

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 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).

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.

Intake and gas separators for a downhole rotary pump define a fluid flowpath and comprise two or more intake stages arranged in parallel, and two or more of the intake stages each have one or more impellers and one or more inlet holes.

A method of and system for self-check diagnostics. The system includes a pump control circuit that is configured for operating a first motor to rotate a first gear of a pump and a second motor to rotate a second gear of the pump. The pump control circuit also includes a sensor for determining a position and / or a velocity of the first gear. The system also including a diagnostic circuit that is configured to perform a diagnostic check to determine at least one of a gear wear parameter based on the sensor, a calibration drift of the sensor, or an obstruction in the pump using the sensor.

The invention discloses a gluing assembly device for a vehicle lamp, and relates to the technical field of vehicle lamp manufacturing, the gluing assembly device comprises a working platform, a gluing station, a pressing station and a transfer station; the gluing station and the pressing station are sequentially arranged on the working platform, and the transferring station is used for transferring a lamp body between the stations; the gluing station is provided with a mechanical arm, and a gluing unit is installed at the end of the mechanical arm. The gluing unit comprises a main shell and a spiral rotor arranged in the main shell, the spiral rotor is driven by a rotary pump to rotate, a guide column is fixedly connected in the spiral rotor in the circumferential direction in an axial sliding mode, the bottom end of the guide column is connected with a tool bit, the guide column is driven by a telescopic pump to ascend and descend, and a gluing outlet is formed in the bottom end of the main shell. The tool bit is matched with the inner wall of the gluing outlet, the tool bit actively cleans the inner wall of the gluing outlet, the problems of uneven gluing and unsmooth extrusion caused by glue solidification and caking are solved, and the sealing performance of the automobile lamp assembly is improved.

The invention relates to a fluid-dynamic micropump with a stationary pump component (110) and a pump component (112) rotatably driven about a rotational axis (122), wherein an annular gap (116) extending parallel to the rotational axis (122) is arranged between the stationary pump component (110) and the rotatable pump component (112), which is filled with the fluid to be pumped and has at least one inlet (118) and at least one outlet (120) for the fluid to be pumped, wherein the stationary pump component (110) and / or the rotatable pump component (112) has microfine groove structures (124, 126) on a surface facing the annular gap (116), which are designed such that, when the rotatable pump component (112) is rotated, they exert a fluid-dynamic pumping action on the fluid located in the gap (116), whereby the fluid is pumped from the inlet (118) towards the Outlet (120) is promoted.

This utility model relates to the field of material transfer technology, and discloses an auxiliary device and equipment for transferring materials using a rotor pump. The auxiliary device includes a vacuum generator, a tank, a cover plate, and a pipeline connection assembly. The cover plate is installed at the upper end of the tank for removably sealing the tank. The pipeline connection assembly is located at the lower end of the tank. The vacuum generator is installed on one side of the tank for evacuating the interior of the tank. This auxiliary device has a simple structure, is easy to operate and clean, and compared to using a traditional vacuum pump to provide a vacuum, this device is also compact, portable, and low-cost.

The invention belongs to the technical field of poly (propylene carbonate) production, and relates to a poly (propylene carbonate) granule processing device and method.The poly (propylene carbonate) granule processing device comprises a plurality of anti-sticking agent coating units running at intervals, a high-speed mixer, a first inlet, a second inlet and a third inlet; an inlet of the first anti-sticking agent regulating valve is connected with the first anti-sticking agent storage tank, and an outlet of the first anti-sticking agent regulating valve is connected with the first inlet; an inlet of the second anti-sticking agent discharging valve is connected with the second anti-sticking agent bin, and an outlet of the second anti-sticking agent discharging valve is connected with the second inlet; an inlet of the discharging valve is connected with the feeding rotary pump, the PPC particles are supplied to the discharging valve, and an outlet of the discharging valve is connected with the third inlet; and after the PPC granules and the No.1 anti-sticking agent are added into the high-speed mixer for a specific time, the No.2 anti-sticking agent is added again. The anti-sticking agent has the advantage that a uniform and stable anti-sticking effect can be formed outside the PPC granules by adopting layered synergistic coating.

A pump housing for accommodating a pump unit, in particular a rotary pump, the pump housing being configured to be inserted at least partially into an external pump receptacle in an operating configuration, including a housing body having a receiving space into which the pump unit can be inserted and having an end-face access opening that forms an access to the receiving space, and including a housing member that can be coupled to the housing body in order to close the end-face access opening of the housing body in a fluid-tight manner, wherein a coupling device is provided, by means of which the housing member can be coupled to the housing body such that the housing member can be moved relative to the housing body along a longitudinal direction of the pump housing in the operating configuration.

The subject of the invention is a rotary pump (10) for conveying a fluid, having a pump housing (16) forming a pump chamber (14), an impeller (18) arranged in the pump chamber (14) for conveying the fluid, a suction opening (26) arranged in the pump housing (16) for sucking the fluid into the pump chamber (14) by means of the impeller (18), and a non-return valve (52) arranged behind the impeller (18) in the pump housing (16) relative to the suction opening (26), which closes as a result of the fluid entering into the pump chamber and / or as a result of the prevailing air pressure in the pump chamber (14) and which, when open, enables air to escape from the pump chamber (14).

A sliding vane rotary pump apparatus embodiment of the invention has a stator having a bore with a wall, a rotor having a central axis about which the rotor rotates within the bore, and a vane comprising a single piece that includes two opposed tip regions that each have a contact point where the vane contacts the wall of the bore of the stator. The vane has a centroid that follows an eccentric circular path as the vane slidably moves within the rotor as the rotor rotates and induces the vane to slidably move within the rotor from contacting the wall of the bore at the contact point of the two opposed tip regions. The vane can have a constant thickness along its length until the two opposed tip regions at each end and the two opposed tip regions can be circular each having a common constant vane tip radius.

The application discloses a flushing and sealing pipe device in the technical field of medical auxiliary devices, which comprises a liquid supply component, a driving pump and a hose. The liquid supply component is installed on the pump shell of the driving pump, which improves the integration of the flushing and sealing pipe device and makes the flushing and sealing pipe device convenient to store or carry. The two ends of the hose are respectively connected with the liquid supply component and the intravenous catheter, and the middle part of the hose is arranged in the interior of the pump shell, so that the hose does not need to be disconnected with the intravenous catheter for multiple times for sucking liquid, the number of interface exposure is significantly reduced, and the risk of intravenous catheter pollution is significantly reduced. The rotary pump head in the interior of the pump shell extrudes the hose, so that the liquid in the liquid supply component flows to the intravenous catheter to flush and seal the pipe. The steps of sucking, disinfecting, exhausting, bolus injection and the like are omitted, the flushing and sealing pipe operation is more convenient and fast, the artificial operation time is reduced, and the threshold of the flushing and sealing pipe operation is lowered.