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7572107 |
Ultra low volume chemical delivery system and method
A mobile, real-time system for delivering an aerosol spray to a treatment area while maintaining the fluid within a closed environment for providing maximum personal protection to the operators...
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7568894 |
Hermetic compressor
A hermetic compressor includes a housing which accommodates a motor and a compressing mechanism, an oil surface sensor mounted to a side wall of the housing, and refrigerating machine oil. The oil...
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7563070 |
Cooling fan
A cooling fan ( 100 ) includes a frame ( 10 ), a circuit board ( 20 ) and a rotor ( 30 ). The frame includes a housing ( 12 ) and a plate ( 14 ) connecting with the housing. The circuit board is...
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7562794 |
Pump with pressure-indication means
Pump for applying an increased or reduced pressure to a container. The pump is provided with a plate-like part which reacts to the pressure difference between the container and the environment....
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7559438 |
Multiple component metering and dispensing system
A plural component pumping apparatus including a piston and cylinder for each component to be pumped. Reciprocation of the piston in the cylinder draws the component into the cylinder during an...
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7542875 |
Reciprocating pump performance prediction
Performance parameters for a reciprocating pump including pulsation energy, temperature energy, solids, Miller number and chemical energy and the like are monitored and employed to at least...
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7517332 |
Infusion device for medical fluids
An infusion device comprises a pusher for a plunger of a syringe containing a liquid to be infused. A load cell measures the push force. An encoder associated to a motor commanding the pusher...
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7513752 |
Beam pump dynamic load monitoring and methods
A pump monitoring system includes a monitoring device configured for attachment to a cable harness of a pump, a strain gauge configured to measure dynamic loading of at least one cable of the cable...
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7452190 |
Method for discriminating between operating conditions in medical pump
A method is disclosed for determining the operating condition of a medical pump based on data derived from a pressure sensor and a position sensor. The pressure sensor generates pressure data by...
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7431569 |
Pump health monitoring
A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of:
establishing a flow path having a known flow number between a high pressure outlet line...
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7360999 |
Means for using single force sensor to supply all necessary information for determination of status of medical pump
A medical pump, for use with a cassette having a pumping chamber, includes a pumping element with a piston slider assembly which intermittently pressurizes the pumping chamber during a pumping...
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7336191 |
Gas-measuring system
A gas-measuring system is provided that is suitable for both mobile and stationary use. A mobile measuring device ( 2 ) with sensors ( 4, 5, 6, 7 ) for detecting gas concentrations and a base...
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7331768 |
Pump with gauge
A pump includes a base, a pumping set, a first joint, a gauge set, a second joint and a nozzle. The base includes a socket. The gauge set includes a gauge, a housing for receiving the gauge and a...
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7331766 |
Compressor
In a compressor for gaseous media, in particular, refrigerants, comprising a housing, a drive shaft mounted in the housing, at least one compressor unit arranged in the housing and driven by the...
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7328626 |
Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus
The apparatus comprises a displacement pump with at least one flow vessel, with a pump drive, and with a support means for holding the flow vessel. Furthermore, the apparatus comprises a measuring...
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7287967 |
High-pressure pump having small initial axial force of a clamping bolt
A high pressure pump for preventing distortion of a sealing surface or a cylinder form. The high pressure pump has an intermediate member including a cylinder body having a pressurizing chamber...
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7284964 |
Peristaltic injector pump leak monitor
A pump leak monitor for use with a peristaltic pump comprises a pump housing and a pair of electrical contacts disposed along a bottom end of the pump housing. The electrical contacts are located...
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7275917 |
Safety device for hydraulic pump
A safety device ( 12 ) is disclosed for use in a hydraulic pump system ( 10 ). The device includes a generator ( 20 ) mounted between the power take off ( 14 ) and the hydraulic pump ( 24 ). Any...
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7241115 |
Methods and apparatus for determining the presence or absence of a fluid leak
Embodiments of the present invention feature a method and apparatus for detecting defects, such as, leaks, component failure and adverse performance. One embodiment of the present apparatus for...
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7240642 |
Air compressor having changeable structure
An air compressor includes a piston slidably received in a cylinder housing, and a motor coupled to the piston for moving the piston relative to the cylinder housing in a reciprocating action, in...
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7186094 |
Method and apparatus for measuring work performed by a compressor
An apparatus and method for monitoring a reciprocating member of a reciprocating piston compressor is presented. The apparatus and method provide a means for measuring parameters of the...
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7156873 |
Methods for detecting an abnormal condition of a blood pump system
The present invention provides methods for detecting an abnormal condition of a blood pump system based on the power consumption of the pump actuator. By plotting differentiated power consumption...
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7107184 |
Strategies for analyzing pump test results
Strategies are described for analyzing test data received from tests performed on a fire pump, and then automatically computing an overall grade (e.g., excellent, good, fair, or poor) which...
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7094037 |
Oil-cooled compressor
An oil-cooled screw compressor which can maintain the discharge temperature of discharge gas at an appropriate level is provided. The oil-cooled screw compressor comprises a compressor body, an oil...
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7083393 |
Combination sight glass, strainer and orifice
A sight glass block for inspecting oil flow through a scavenge line for an oil separation system in a compressor comprises a combination of a sight glass for inspecting the oil flow, a strainer for...
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7080508 |
Torque controlled pump protection with mechanical loss compensation
A method and apparatus are provided for controlling the operation of a pump, such as a centrifugal pump, featuring steps of either adjusting the operation of the pump, or issues a warning to a user...
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7066724 |
Apparatus for flatproofing a tire and wheel assembly
An apparatus is disclosed for flatproofing a tire and wheel assembly with a flexible, lightweight foam-fill by supplying at least two polyurethane reactive materials to a static mixer. The static...
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7059839 |
Horizontal compressor end cap with a terminal, a visually transparent member, and a heater well mounted on the end cap projection
A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a...
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7056097 |
System and method for monitoring the mechanical condition of a reciprocating compressor
A method for monitoring the mechanical condition of a reciprocating compressor having a packed-plunger cylinder is provided. An end assembly is attached to one end of the cylinder, and the strain...
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7037085 |
Dual gear single outlet material pump and method of constructing such a pump
A dual gear, single outlet material pump includes a base plate, a lower gear plate and two associated gears, a spacer plate, an idler shaft, a drive shaft, an upper drive gear, and an upper gear...
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7029247 |
Heat-dissipating fan device with light-emitting capability
In a heat-dissipating fan device, a fan impeller has a spindle mounted rotatably in a fan housing. A first magnetic ring member is disposed around a first stator coil mounted securely in the...
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7010961 |
Power head secondary containment leak prevention and detection system and method
A submersible turbine pump includes a power head enclosed in a casing. A vacuum source associated with the submersible turbine pump draws a vacuum in the interior space of the casing. A pressure...
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7004728 |
Gas pressure driven fluid pump having an electronic cycle counter and method
A gas pressure driven fluid pump having an electronic cycle counter. The pump has a pump tank with a liquid inlet and a liquid outlet. A switching mechanism is operative within the pump tank for...
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7004727 |
Blood component processing systems and methods using fluid-actuated pumping elements that are integrity tested prior to use
Blood component processing systems and methods are coupled to a blood component processing device. The systems and methods include a fluid circuit that comprises at least one fluid pressure...
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7000455 |
Leakage monitoring in the hydraulic pressure area of a membrane pump
In a process for the monitoring of leakage in the hydraulic pressure area of a membrane pump, processing is in a manner such that the point in time (t 3 ), at which the snifting process serving for...
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6991435 |
Variable displacement compressors which estimate an inclination angle of a plate of the compressor
A variable displacement compressor includes a plate having a variable inclination angle, and a piston engaging the plate. The piston reciprocates within a bore of the compressor in accordance with...
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6981838 |
Method and apparatus for detecting the occurrence of surge in a centrifugal compressor
A method and apparatus for detecting the occurrence of surge or incipient surge in a centrifugal compressor is supplied. The centrifugal compressor has an inlet passage, an inlet passage wall and...
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6970793 |
Apparatus and method for detecting malfunctions in high-pressure fluid pumps
A fluid pump system includes a pump having a plurality of cylinders, each having an outlet port coupled to a high-pressure manifold. A pressure transducer is coupled to the manifold and configured...
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6960066 |
Water pump with a hollow shaft, seal, and drain opening therein
A water pump includes a rotation member, a hollow shaft portion having an opening on one end and connected to the rotation member for unitary rotating with the rotation member, an impeller...
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6957952 |
Fiber optic system for detecting pump cycles
A fiber optic system for detecting a stroke of a pump, the fiber optic system including a first fiber optic line configured for directing light onto a portion of the pump that moves during the...
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6929454 |
Thick matter pump
In a thick matter pump, especially for delivering concrete, comprising two delivery cylinders, it is known to provide two position sensors in one of the two cylinders for control of the pistons....
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6924733 |
Hose separation transmitter system and methods
A hose separation transmitter system includes a shock sensor and a transmitter that are secured to the delivery hose. If the hose becomes disconnected, the shock sensor will generate a shock signal...
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6893232 |
Hand operable pump
An easily operable telescopic pump includes a first cylinder, a second cylinder, a grip and a nozzle. The second cylinder is inserted in the first cylinder. The grip is communicated with the second...
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6857857 |
Reciprocating machines
A reciprocating machine such as a vacuum pump includes a cylinder in which a reciprocating piston is disposed for reciprocating movement. A variable voltage driver is provided for driving the...
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6857474 |
Methods, apparatus and products useful in the operation of a sucker rod pump during the production of hydrocarbons
Apparatus, methods and products for monitoring/controlling a reciprocating well producing hydrocarbons from a wellbore, which determine the surface card from a well operating characteristics,...
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6848888 |
Sensor for a variable displacement pump
A sensor for a variable displacement pump is provided. The pump has a housing containing a swashplate that is adapted to rotate about an axis. The sensor includes a magnet connected to the...
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6846162 |
Cylinder housing for air compressor
An air compressor includes a cylinder housing having a passage formed in one end, a piston slidably received in the cylinder housing and moved relative to the cylinder housing in a reciprocating...
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6835049 |
Occlusion detector for rotary peristaltic pump
The invention concerns a detector for detecting malfunction in a peristaltic pump wherein a flexible tubing ( 44 ) containing a fluid is locally compressed against a support part by rollers ( 32 )...
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6832620 |
Apparatus for dosing lubricant into an air line
An apparatus for dosing lubricant into a compressed air flow includes a lubricant container, a pneumatically operated lubricant pump, an injection channel, a non-return valve interposed between the...
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6817844 |
Rotary blower with forced external air cooling
A rotary blower with forced external air cooling having multiple interconnected and synchronized parallel multi-lobe rotors with the same number of straight lobes for propelling flow from a suction...
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