Abstract: The “no tools” pump removal system comprises a bearing housing attached to the drive housing. The bearing housing has a hinged door that when opened allows removal of the pump pin and then the pump. The bearing housing is provided with a latch assembly and a handle. A safety latch retains the handle in place during operation and until it is desired to remove the pump.

Abstract: A supplemental air pressure providing device adapted for use with an inflatable object includes an oscillator responsible for generating magnetic field and vibrating a casing, an air compressing device responsible for compressing air and noise silencer mounted inside the air compressing device for reducing noise generated while compressed air flows through the air compressing device for inflating the inflatable object.

Abstract: An intelligent air moving apparatus for cooling an electronics enclosure includes a motor for driving a fan at a variable rotational speed and a microcontroller for controlling the rotational speed of the motor. The microcontroller includes a speed sensor for sensing the rotational speed such that when the sensed rotational speed deviates below a target speed, the microcontroller detects a locked rotor condition.

Abstract: A ventilation assembly has a support structure, an electric motor and a fan connected to the motor. The fan has a cup-like hub with an annular side wall and a bottom wall and which define internally a housing in which the motor extends. The hub further has a plurality of internal vanes for the ventilation of the motor, that extend from the side wall of the hub. The support structure has at least one arcuate formation which is coaxial with the axis of the fan and which extends axially inside the hub of the fan, in a partially interpenetrated relationship with the side wall of the hub to form a labyrinth-like radial path between external and internal regions with respect to the hub.

Abstract: An exemplary center housing rotating assembly includes a turbine wheel (260); a compressor wheel (240); a center housing (210) that includes a through bore (215), extending from a compressor end to a turbine end along a bore axis, and a recess (217), adjacent the bore, in a plane orthogonal to the bore axis; a bearing assembly (230) positioned in the bore that includes a keyway (233); and an anti-rotation component (280) seated in the recess and at least partially in the keyway to restrict rotation of the bearing assembly in the bore. Various other exemplary devices, systems, methods, etc., are also disclosed.

Abstract: The Invention provided is a hydraulic powered down hole reciprocating pump traveling valve component to provided lifting hydraulics on the down stroke using the derived motion and pressure of petroleum liquids and gasses, such as oil, water and natural gas and also utilizing the frictional traveling forces driven by the surface equipment. Designed to utilize the elements within the pumping apparatus to obtain the hydraulic power within and transfer the energy's force to the exposed bottom end of the pressure locked traveling ball valve adjacent within the ball valve containment cage, providing ultimate lifting power to open the ball valve on the initiation of the down stroke. The component consist of a Hollow Hydraulic Power Shaft, Hollow Pressure Motion House, and a Fluid Cavity Power Drag Plunger.

Abstract: A fan (1) consisting of an electric external rotor motor (2) and of a fan wheel (4), the external rotor motor (2) consisting of a stator (6) encapsulated with an insulating material (14), and a rotor (8) carrying the fan wheel (4) enclosing the stator (6) in a pot-shaped manner. The rotor (8) having ventilation openings in a front wall (18). The stator (6) having projecting fins (24) on a front area (22) arranged and distributed over the circumference which is opposite the ventilation openings (20). A gap (34) between a circumferential rim (36) of the rotor (18) opposite the front wall (18) and a stator carrier (38) forms a passage for a cooling air current flowing around the stator (6) during operation. During operation, the cooling air is swirled intensively between the ventilation openings (20) and the projecting fins (24) for cooling the motor.

Abstract: The invention relates to a low pressure pump/vacuum pump for gaseous media, comprising two interacting combs the teeth of which are configured as cycloidal components, the duplicate compressor stages being interconnected. A power unit of the pumps/compressors is driven and the power unit of the other pump/compressor, which is arranged coaxially, is entrained via a rotational connection.

Abstract: An electromagnetic pump including a reciprocating piston in a cylinder; an electromagnetic portion that moves the piston forward; a first biasing member that moves the piston backward; a support member that supports the first biasing member and defines a pump chamber together with the cylinder and the piston; an intake valve that is incorporated into the support member, is connected to an intake port and prohibits hydraulic fluid from moving in reverse; and a discharge valve that is connected to a discharge port and prohibits the hydraulic fluid from moving in reverse. The intake valve includes a ball, an opening portion of the intake port, and a second biasing member that presses the ball against the opening portion from a side opposite to a direction in which the hydraulic fluid moves. In the opening member, an inner peripheral surface that receives the ball is formed in a taper shape.

Abstract: The invention relates to an intelligent online closed-loop balance adjusting system for a pumping unit. The system comprises a connecting rod, balance weights, a transmission device, a balance weight displacement adjusting motor and a control device used for driving the motor to adjust and control the weight displacement. The transmission device and the balance weight displacement adjusting motor are arranged above a walking beam. The balance weight displacement adjusting motor is connected with one end of the connecting rod through the transmission device, and the other end of the connecting rod is connected with balance weights. One end of the walking beam away from the horse-head is connected with the middle part of the connecting rod. The invention can realize automatic weight adjustment without shutting the machine down, and the balance weights can be adjusted with the precision of ±10%.

Abstract: A magnetic-force interactive fan includes a base, a plurality of clamp portions, an actuating portion, a main blade, and at least one interactive blade. The actuating portion has a fixed terminal and a moveable terminal; the fixed terminal is connected to one of the clamp portions. The main blade has a free terminal and a connection terminal; the connection terminal is connected to the moveable terminal of the actuating portion and a main magnet is disposed on the free terminal. The interactive blade has a top terminal and a bottom terminal; the bottom terminal is connected to another clamp portion and an interactive magnet is disposed on the top terminal. The main magnet is disposed corresponding to the interactive magnet and the main blade is driven by the actuating portion to swing, thus producing wind by synchronously swinging the main blade and the interactive blade.

Abstract: Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor.

Abstract: A mud pump is provided that includes a pump shaft having substantially circular eccentric lobes. Each lobe is rotatably mounted in a connecting rod that, in turn, moves a slide in a horizontal and linearly manner. A piston rod is operatively couples a pump module to one or both sides of each slide frame and a pump module. As the pump shaft turns, each lobe causes the slide to move side to side. As the slide moves side to side, each piston rod operates a pump module whose outputs can be coupled to a common manifold.

Abstract: A fan motor set locating structure includes a base seat and a motor set. The base seat has a bearing cup. At least one locating notch is formed on a top section of the bearing cup. A bearing is disposed in the bearing cup. The motor set includes an insulation support. One side of the insulation support is formed with a sleeve. The sleeve is capped on the bearing cup. The sleeve has at least one protrusion section protruding from the sleeve to the bearing cup corresponding to the locating notch. The protrusion section is engaged in the locating notch in abutment with the bearing. Accordingly, the motor set can be quickly fixedly assembled with the bearing cup to fix the bearing. Therefore, the number of the components is decreased and the assembling process is speeded.

Abstract: A cooling apparatus includes a base member, a flat piezoelectric actuator, at least one expansion mechanism, and a blade member. The flat piezoelectric actuator is configured to be connected at one end to the base member. At least one expansion mechanism is configured to be connected to the other end of the piezoelectric actuator and pivot by the swinging of the piezoelectric actuator. The blade member is configured to be connected to the expansion mechanism and swing by the pivoting of the expansion mechanism. The blade member performs a fanning action by the swinging of the piezoelectric actuator and the pivoting of the expansion mechanism if AC power is applied to the piezoelectric actuator.

Abstract: A bearing bracket including a metal base and a bushing is provided. The metal base has an opening at its central portion. The bushing of the bearing bracket is made of plastic. The bushing encloses an axial portion or/and a radial portion of the metal base by injection molding. Furthermore, the bearing bracket further includes an anti-vibration member disposed on at least one side surface of the metal base.

Abstract: A compact manual pump includes a body, a valve assembly connected with the body, and a first cylinder assembly rotatable with respect to the body. The body includes first and second collect inlets, and an exhaust outlet. The first cylinder assembly includes a seat, first and second inflating inlets. While the first cylinder assembly is rotated to switch to low pressure pumping mode, the first inflating inlet is connected with the first collect inlet and the second inflating inlet is connected with the second collect inlet and the exhaust outlet is blocked by the seat. While the first cylinder assembly is rotated to switch to high pressure pumping mode, the first inflating inlet is connected with the first collect inlet and the second inflating inlet is connected with the exhaust outlet and the second collect inlet is blocked by the seat.

Abstract: A pedicure spa or hydrotherapy system for circulating fluid which includes a motor coupled magnetically with an impeller assembly on the wall of the pedicure spa or hydrotherapy system is disclosed. The system is designed to have low energy consumption and an ultra low profile while at the same time providing a pipeless water circulation that is easy to operate and clean. In addition, the invention minimizes the growth of bacteria within the pumping system as the impeller assembly is easily removed from the wall for cleaning without any mechanical aids. In certain embodiments, the magnetic propulsion and coupling device includes a multi-directional combination of strategically placed and alternating-pole magnets on magnet plates and additional magnets in the housing.

Abstract: An electric progressive cavity pump system includes a progressive cavity pump in operation connection with a six-pole, three-phase electric motor. A method of producing fluid from a wellbore includes the steps of positioning a progressive cavity pump below a fluid level in the wellbore, connecting a six-pole, three-phase electric motor that includes a stator having eighteen slots and a plurality of windings distributed among the eighteen slots, wherein the windings of different phases do not pass through the same slot and operating the progressive cavity pump via the electric motor to produce the fluid from the wellbore. The electric motor may be positioned below the fluid level in the wellbore or at the surface.

Abstract: A thrust shaft for a fan has a shaft body with an enlarged disk adjacent one axial end to provide a rotating surface in a pair of thrust bearings. A first cylindrical portion extends from the disk in a first direction, and a second cylindrical portion extending from the disk in a second opposed direction. The second cylindrical portion has a hollow bore, and there are a plurality of holes extending through the second cylindrical portion to communicate an outer periphery with the bore. A ratio of the diameter of the bore to a diameter of the plurality of air holes is between 6.60 and 7.00. A ratio of an overall length of the second cylindrical portion, and a distance from a face of the enlarged disk to a center of the holes is between 14.4 and 15.2. A thrust bearing assembly, a fan, a cabin air supply system, and a method are also disclosed.