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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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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,...
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...
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...
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 )...
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...
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...