12351results about "Positive displacement pump components" patented technology

An electrocardiogram device configured to transmit at least one signal responsive to a wearer's cardiac electrical activity can include a disposable portion and a reusable portion configured to mechanically and electrically mate with each other. The disposable portion can include a base having at least one mechanical connector portion, a plurality of cables and corresponding external ECG electrodes, and a first plurality of electrical connectors associated with the plurality of cables. The reusable portion can include a cover having at least one mechanical connector portion, a second plurality of electrical connectors configured to electrically connect with the first plurality of electrical connectors of the disposable portion, and an output connector port configured to transmit at least one signal responsive to one or more signals outputted by the external ECG electrodes of the disposable portion.

A connecting rod assembly includes a crosshead for coupling a connecting rod to a plunger, the crosshead having a hole extending through the crosshead. The connecting rod assembly also includes a knuckle cage positioned within the crosshead, the knuckle cage extending through the hole and including a cutout to provide access to a passage formed in the knuckle cage. The connecting rod assembly further includes a knuckle positioned within the passage of the knuckle cage, the knuckle having a mounting surface that is substantially planar, the mounting surface coupling to the connecting rod at a mating end with a substantially planar mating end surface.

A packing assembly includes a packing sleeve having a first sleeve portion and a second sleeve portion, wherein a first sleeve portion outer diameter is larger than a second sleeve portion outer diameter and a first sleeve portion inner diameter is larger than a second sleeve portion inner diameter. The packing assembly also includes a groove formed in the second sleeve portion outer diameter. The packing assembly further includes a shoulder formed at a transition between the first sleeve portion and the second sleeve portion. The packing assembly includes a shelf formed at the transition between the first sleeve portion and the second sleeve portion. The packing assembly also includes a plurality of packing components arranged within the first sleeve portion inner diameter, at least a portion of the plurality of packing components engaging the shelf. The packing assembly further includes a seal positioned within the groove.

A compressor assembly may include a shell, a discharge fitting, a muffler, a compression mechanism, and a motor. The shell may have an opening therethrough with the discharge fitting generally extending therefrom. The muffler may be in communication with the discharge fitting and may be external to the shell. The muffler may have an inlet proximate the discharge fitting, an outlet distal from the discharge fitting, and a body portion extending therebetween. The muffler may include a valve assembly proximate the outlet. The compression mechanism may be contained within the shell and include a suction inlet and a discharge passageway. The discharge passageway may be connected to the opening in the shell for direct discharge of refrigerant from the compression mechanism to the discharge fitting. The motor may be contained within the shell and drivingly coupled to the compression mechanism.

A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.

A valve assembly includes an upper portion to be coupled to guide legs, a cavity being formed within one of the upper portion or the guide legs and a coupling member being associated with the other of the upper portion or the guide legs, wherein the upper portion is coupled to the guide legs via a single force application process.

In order to improve the stability and reliability of the micro diaphragm pump, the invention provides the micro diaphragm pump with the columnar bubble and liquid monitoring function. The channel is formed in the pump cavity, the valve body is installed in the channel, the valve body is composed of the upper layer, the middle layer and the friction layer, the sensing part is arranged on the middle layer, the sensing area is formed through cooperation of the friction layer and the sensing part, and then columnar bubbles and liquid in the micro diaphragm pump are monitored. The device is small in size, high in energy density, high in controllability and capable of monitoring columnar bubbles and liquid.

A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.

The present application discloses a coaxially integrated servo motor pump with integrated drive control functions, comprising a motor pump housing, a controller housing, and an electrical connector. The motor pump housing is provided with a blind hole, a first cavity for accommodating a plunger pump assembly, and a second cavity for accommodating a servo motor assembly, wherein the plunger pump assembly and the servo motor assembly are connected via a rotating shaft. The controller housing is connected to one end of the motor pump housing, and a drive controller is provided within the controller housing. The blind hole communicates with the second cavity, and the electrical connector is sealed and connected to the blind hole, and the electrical connector is electrically connected to the servo motor assembly and the drive controller. The distribution plate and the sealing assembly are respectively sealed with both ends of the motor pump housing. Cooling is achieved through a cooling oil channel, which connects from one end of the motor pump housing near the plunger pump assembly to the second cavity and then divides into two paths, one path passing through the center of the rotating shaft, and the other path connecting to the first cavity and passing through the distribution plate. The coaxial integration of the drive control functions is achieved, and the cooling effect is good.

Systems and methods of operating a fracturing operation include a platform having an upper surface and a channel, wherein the platform is configured to receive a carrier mounted with a pumping unit; and a conduit configured to transfer fluid to or from a manifold system, the conduit having a first end configured to be connected to the pumping unit. The channel may be configured to receive the conduit when the carrier is at least partially received on the platform. A guide member may be configured to guide the conduit into the channel and include a rounded portion and an abutment surface, wherein the conduit is configured to extend at last partially around the rounded portion, and the carrier is configured to engage the abutment surface. The systems and methods may also include a controller configured to control a braking system of the carrier when the pumping unit is actuated.

The invention discloses a pneumatic diaphragm pump control method and system for an emulsion matrix transport vehicle, and relates to the technical field of intelligent fluid conveying control. By means of integrating temperature monitoring and adjustment, viscosity prediction and parameter setting, multi-parameter coupling optimization and the like, accurate control and dynamic optimization of key parameters in the emulsion matrix transportation process are achieved, temperature distribution in the storage tank can be monitored and adjusted in real time, pumping parameters are dynamically adjusted according to the viscosity of the matrix, and the pumping efficiency is improved. The pumping pressure, the flow and the vibration frequency are coordinated through a multi-parameter optimization algorithm, so that the problems of low conveying efficiency and high equipment failure rate of a traditional rotor pump are solved, the conveying efficiency and the construction quality of an emulsion matrix are improved, the energy consumption and the maintenance cost are reduced, the reliability of equipment is remarkably improved, and the service life of the equipment is remarkably prolonged. And powerful guarantee is provided for road construction and maintenance.

Studs, assemblies, and related methods may provide enhanced reliability of connections between components in high-power pumps. A stud may include a stud body having an anchor end positioned to be threadedly engaged with a fluid end block, and a fastener end positioned to be threadedly engaged with a fastener, thereby to secure the component and the fluid end block to one another. The stud body may include external anchor threads at the anchor end of the stud body having a buttress thread form, thereby to secure the anchor end of the stud body to the fluid end block. The stud body also may include external fastener threads at the fastener end of the stud body, and the external fastener threads may have a thread form different than the external anchor threads of the anchor end of the stud body.

Systems and methods described herein may include pumps and pump components including carbon-manganese-chromium (C—Mn—Cr)-based steel alloys for enhanced resistance to wear or corrosion. A pump component may include one or more components formed of a C—Mn—Cr-based ferrous alloy, which may result in enhanced wear or corrosion resistance. The C—Mn—Cr-based ferrous alloy may include a carbon content ranging from about 0.1 weight percent (wt. %) to about 2 wt. %, a manganese content ranging from about 10 wt. % to about 30 wt. %, and a chromium content ranging from about 0.1 wt. % to about 20 wt. %.

Systems, assemblies, apparatuses, and methods herein may provide an enhanced fluid seal between two components. A seal to enhance a fluid seal between a surface of a first component of a pump and a surface of a second component of the pump may include an annular seal body having a seal body surface and a seal cross-section at least partially defined by the seal body surface. The annular seal body may include a metal mesh, thereby to enhance thermal conductivity between the seal and one or more of the first component or the second component, so as to transfer heat from the seal to one or more of the first component or the second component, thereby to reduce a temperature of the seal and extend a service life of the seal.

The disclosure relates to the technical field of air pumps, and particularly relates to an air pump having a reminding function. The air pump includes a pump cylinder provided with a first hollow cavity and a push rod assembly that is pullable. The push rod assembly is movably inserted into the pump cylinder. The air pump further includes an air pressure sensor and a reminding mechanism. The air pressure sensor and the reminding mechanism are both mounted in the pump cylinder or the push rod assembly. The air pressure sensor is connected with the reminding mechanism. An objective of the disclosure is to solve a problem that an existing manual air pump cannot give a reminder when air extraction is completed, and provide an air pump having a reminding function when air extraction is completed.

The invention discloses an offshore multi-energy combined supply system based on constant-pressure compressed carbon dioxide energy storage and an operation method of the offshore multi-energy combined supply system. The system comprises a working medium storage device, a heat energy storage device, a charging process module, a gas-liquid conversion loop, a discharging process module, a cold energy supply module and a heat energy supply module. By improving the energy release process structure of the compressed carbon dioxide energy storage system, the pressure of high-pressure carbon dioxide is reduced to normal pressure after primary expansion, so that low-temperature cold energy is generated while power is generated, consumption of stored heat is saved, residual stored heat is used for heat supply, the comprehensive utilization rate of energy is increased, and combined supply of cooling, heating and power is achieved; the system further comprises an integrated thermally-driven combined cooling and power supply subsystem capable of switching power generation / refrigeration modes, organic Rankine cycle and jet refrigeration cycle are highly integrated, investment cost and space occupation are reduced, redundant heat energy is flexibly and efficiently converted into electric energy or cold energy, and the flexibility of multi-energy combined supply of the system is improved.

The invention discloses a corrosion-resistant radial plunger pump with a self-cleaning function, and relates to the technical field of radial plunger pumps, the corrosion-resistant radial plunger pump comprises a shell of a hollow structure, a vertically-arranged partition plate is fixed to the center of the interior of the shell in the length direction of the partition plate, and the length direction of the partition plate is perpendicular to the length direction of the shell; the partition plate divides the interior of the shell into two cavities, and the drainage plate is rotationally connected to one end, in the length direction of the partition plate, of the partition plate; according to the device, through cooperation of the drainage mechanism, the driving mechanism, the filter screens and other components, when the filter screen on one side is blocked, the filter screens generate displacement under the action of negative pressure suction, then the drainage plate is driven to turn, switching of the flowing direction of liquid flow is achieved, the blocked filter screen can be cleaned, the conveying work cannot be stopped, manual intervention is not needed in the process, and the working efficiency is improved. And shutdown operation is not needed, so that the production interruption time caused by blockage of the filter screen is shortened, the production efficiency is improved, and the maintenance frequency is reduced.

The invention provides an intelligent heat dissipation system of an oil-free digital energy air compression station, which relates to the technical field of heat dissipation of air compression stations and comprises a sensor module, a correlation analysis module and a heat dissipation execution module which are in communication connection. Statistical correlation, causal correlation and time correlation between each operation parameter and temperature are analyzed, a physical mechanism is introduced, a hybrid correlation model is constructed, a predicted temperature change trend is combined, specific operation parameters influencing the temperature change at the current moment are analyzed, specific equipment is positioned according to the operation parameters, and a heat dissipation strategy is executed. Through a closed loop of model prediction, parameter attribution, equipment positioning and accurate heat dissipation, data-driven correlation analysis and causal reasoning of a physical mechanism are combined, rapid positioning from temperature abnormity to a specific heating source is realized, and low efficiency of traditional equipment-by-equipment troubleshooting is avoided.

The invention discloses an intelligent drilling mud pump, and relates to the technical field of mud pump devices, the intelligent drilling mud pump comprises a supporting frame body, the top of the supporting frame body is provided with a mud pump main body, and the mud pump main body is composed of two sets of cylinder barrels, a power assembly, two sets of reciprocating pressure pumping assemblies, a feeding pipe and a discharging pipe. According to the intelligent drilling mud pump, the displacement and efficiency of the pump are improved, the reciprocating frequency of the pump can be reduced through a bidirectional working mode, energy consumption can be reduced, then it can be guaranteed that under the condition that the speed of the power assembly is not changed, reciprocating motion of the reciprocating pressure pumping assembly can do work, single-stroke work of the reciprocating pressure pumping assembly is changed into double-stroke work, and the working efficiency is improved. Therefore, the slurry conveying efficiency can be improved and the cost can be reduced under the condition that the speed of the slurry pump is not changed, meanwhile, in the slurry conveying process, sand and stones in the conveyed slurry can be filtered through the filtering and cleaning assembly, the intercepted sand and stones can be cleaned in time, and the slurry conveying quality can be guaranteed.

The invention discloses a low-temperature pump for a fusion device and the fusion device, and relates to the field of fusion devices.The low-temperature pump comprises a low-temperature pump body, an adsorption space is defined by the low-temperature pump body, and a first medium inlet communicating with the adsorption space is formed in the low-temperature pump body; the valve assembly is arranged on the cryogenic pump main body, and the valve assembly is used for opening or closing the first medium inlet; and at least part of the adsorption assembly is arranged in the adsorption space, the adsorption assembly is used for adsorbing gas in the adsorption space, and the adsorption assembly is detachably arranged on the cryogenic pump body. Therefore, the adsorption assembly is detachably arranged on the cryopump main body, the adsorption assembly can be independently replaced, the maintenance cost of the cryopump can be reduced, the production cost of fusion energy can be reduced, the economic benefit is further improved, and the adsorption assembly can be replaced without shutdown under the condition that a certain adsorption assembly is replaced.

The invention belongs to the technical field of oil and gas exploitation and pressurized transportation, and discloses a lead screw driven rodless reciprocating type single-action electric submersible pump and a control method. The electric pump is characterized in that a working cavity is formed between a plunger and an upper working cavity end cover, and a lower cavity is formed between the plunger and a lower cavity end cover; the plunger does reciprocating motion in the working cavity to finish suction and discharge of liquid; the lower working cavity end cover is installed at the bottom of the cylinder body, and a lead screw is fixed to the lower working cavity end cover and connected with the plunger. The lead screw is connected with a motor. The plunger is driven by the lead screw to reciprocate in the cylinder body, and suction and discharge of liquid and control and continuous conveying of liquid in a working cavity are sequentially completed in the up-down stroke of the plunger by means of one-way opening and closing of the liquid inlet valve and the liquid discharge valve. The lead screw driving rodless reciprocating type single-action electric submersible pump is higher in efficiency under the complex well condition. The optimized reciprocating type driving mechanism can achieve efficient one-way conveying, the sealing design can prolong the service life of equipment, and the maintenance cost is reduced.

A packing assembly to be disposed within a stuffing box defined by a fluid end of a body of a reciprocating plunger pump includes an elastomeric component and a wear component. The elastomeric component has an at least partially tapered inner diameter and an outer diameter and, in use, engages the stuffing box on the outer diameter and is axially compressed within the stuffing box. The wear component sealably engaging the elastomeric component across the at least partially tapered inner diameter and dynamically contacts the plunger to form a dynamic seal.

The invention belongs to the technical field of air compressor filters, and particularly relates to a compressor front air inlet oil removal filter which comprises a shell, an upper end cover and a lower end cover are fixedly connected to the upper end and the lower end of the shell respectively, a through medium inlet and a through medium outlet are formed in the two sides of the shell respectively, and a partition plate is fixedly connected into the shell; two pressing rings are rotationally connected to the partition plate, an impeller is fixedly connected to the bottom of each pressing ring, a filter cylinder is fixedly connected into each impeller, the impellers rotate at a high speed to conduct centrifugation so that airflow can flow outwards from the interiors of the filter cylinders, a driving part is arranged below each impeller, and an oil removing and cleaning part is arranged in each filter cylinder. A back flushing cleaning mode that the impeller and the filter cartridge synchronously rotate at a high speed is adopted, the static pressure is higher, the effect is more continuous, meanwhile, air pressure distribution at all positions in the filter cartridge is more uniform, airflow can fully penetrate through the filter cartridge, and more comprehensive and efficient back flushing cleaning work is achieved.

A fluid end includes a first sleeve associated with a plunger bore, a second sleeve assembly associated with a suction bore, and a packing sleeve retainer positioned at the plunger bore to axially retain a packing sleeve of the first sleeve assembly within the plunger bore, the packing sleeve retainer being coupled to a front face of the fluid end. The fluid end further includes a suction ring positioned at the suction bore to axially retain a suction sleeve of the second sleeve assembly within the suction bore, the suction ring being coupled to a rear face of the fluid end.

The invention discloses a drilling pump fluid end anomaly detection method based on a valve impact phase index. The method comprises the steps that firstly, a signal decomposition method is adopted to extract valve impact components in vibration signals; then, extracting an impact peak value in each period, and taking the impact peak value as a valve impact phase of the corresponding period; the relative phase is calculated according to the phase data between the adjacent cylinder bodies; further calculating a variance index and a mean value index of the relative phase to represent a phase distribution characteristic; and finally, an anomaly correlation matrix is constructed based on the indexes, and anomaly detection and fault cylinder positioning identification are realized in combination with a preset judgment rule.

A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.

A fluid end made of a housing and a plunger reciprocating therein. The plunger has a hollow bore formed therein, and a valve assembly situated on one end of the plunger. The plunger may have a sleeve situated within the bore that aids in the installation of the valve assembly. The plunger may have a second bore extending perpendicularly from the hollow bore. The first bore may be connected to an attachment piece which connects to a conduit. The conduit may then be connected to a manifold which is configured to provide a fluid to the plunger's bore. The housing may be made of a static section and a plurality of dynamic sections. The dynamic sections may thread into the housing. The static section may be made of two pieces to aid with installation of a dynamic seal.

A multi-piece seat having a base and a top. Some embodiments may have a seal. The multi-piece seat is configured to be installed in a conventional fluid end. Installation of the multi-piece seat is simplified by the separate components. The base may be installed easily without an interference fit. The top may be installed easily with an interference fit but with a smaller engagement area than the prior art. Removal and replacement of any of the components is simplified for the same reasons. Operating cost is reduced by only using the harder material in the component that engages the valve. Additional components may be added to increase the height of the seal assembly.

According to the thin forced air cooling piezoelectric pump for chip heat dissipation, the air inlet channel and the air outlet channel are separated from each other, the heat dissipation effect is good, meanwhile, noise is smaller, the size is small, and the thin forced air cooling piezoelectric pump can be flexibly integrated into various chip heat dissipation scenes with limited space. The piezoelectric pump structurally comprises a shell assembly and a piezoelectric ceramic assembly, a piezoelectric pump working cavity is formed in the shell assembly, the pressure in the piezoelectric pump working cavity can be changed through deformation of the piezoelectric ceramic assembly, and the piezoelectric pump working cavity communicates with an air inlet and an air outlet through an air inlet flow channel and an air outlet flow channel correspondingly; the air inlet and the air outlet are not located in the same end of the shell assembly, an air inlet piece assembly is installed at the joint of the air inlet flow channel and the piezoelectric pump working cavity, and an air outlet piece assembly is installed at the joint of the air outlet flow channel and the piezoelectric pump working cavity.

The utility model relates to the technical field of water purification, and discloses a booster pump assembly which is used for pressurizing fluid in a water purifier and comprises a booster pump and an air bag body, an air chamber for storing air is arranged in the air bag body; the air bag body is positioned inside the water purifier, and a mounting groove is formed outside the air bag body; the booster pump is installed and positioned in the installation groove, the air bag body suspends and supports the booster pump, and mechanical vibration transmitted to the outside when the booster pump works is blocked and restrained for noise reduction. The air bag body is selected as a supporting structure to suspend and position the booster pump, the air bag body is filled with air, the air can play an extra buffering role, the vibration isolation effect is enhanced, vibration energy generated when the booster pump works is more effectively absorbed and dispersed, mechanical vibration transmitted to the outside by the booster pump is effectively restrained and reduced, and the service life of the booster pump is prolonged. The noise generated when the water purifier works is reduced, so that the user experience is deeply improved.