Matches 1 - 50 out of 326 1 2 3 4 5 6 7 >


Match Document Document Title
US20130315751 COMPACT CABLE SUSPENDED PUMPING SYSTEM FOR LUBRICATOR DEPLOYMENT  
A method of installing or retrieving a pumping system into or from a live wellbore includes connecting a lubricator to a production tree of the live wellbore and raising or lowering one or more...
US20140140861 STANDALONE PORTABLE ELECTRIC BLOWER WITH VARIABLE AIR EXIT SPEED  
A standalone portable electric blower has a propeller generating airflow and driven by an electric motor powered: by a power source, said blower including an air-guide conduit made up of a series...
US20120272886 SELF LOAD SENSING CIRCUIT BOARD CONTROLLER DIAPHRAGM PUMP  
A self-priming diaphragm pump is connected to a circuit board which activates the self-priming diaphragm pump at predetermined intervals, e.g., for 1-3 seconds. When the self-priming diaphragm...
US20130216398 HIGH-EFFICIENCY PUMP SYSTEMS  
According to one embodiment of the present invention, a system for pumping fluid is provided. According to this embodiment, a fluid pumping system comprises a fluid inlet pipe and a fluid outlet...
US20100311318 FAN FOR USE IN AGRICULTURE  
A fan for use in agriculture which has a BLDC motor which allows for varying the speed of the fan to vary the airflow rate of the fan and vary the efficiency of the fan. A ventilation system for...
US20130280100 ELECTRONICALLY COMMUTATED PUMP MOTOR CIRCUIT  
An electronically commutated pump motor circuit comprises an input configured, to receive at least a first range of voltages, and a power conditioning circuit. The power conditioning circuit...
US20130343911 Dual Redundancy in Fire Pump Controllers  
Example devices, systems, and methods disclosed herein relate to controlling operation of a fire pump or jockey pump of a fire pump system. An example fire pump control system may comprise a...
US20130343910 Methods and Systems for Monitoring a Power Supply for a Fire Pump Motor  
Methods and systems for operating a fire pump controller are provided. An example method includes causing a power supply coupled to a an electric motor-driven water pump through a fire pump...
US20110081255 Controlling Pumps for Improved Energy Efficiency  
A method for improving the energy efficiency of a pump system. The method includes measuring an instantaneous power consumption of the pump system, measuring an instantaneous fluid flow rate of...
US20130017098 METHOD FOR OPTIMIZING THE ENERGY OF PUMPS  
The device for energy-optimization on operation of several centrifugal pumps controlled in rotational speed, in a hydraulic installation, begins firstly with determining which pumps as pilot pumps...
US20110217183 BEVERAGE PRODUCTION MODULE AND METHOD FOR OPERATING A BEVERAGE PRODUCTION MODULE  
A beverage production module that includes a pump for delivering a fluid from a tank to an extraction chamber, a power source for the pump and a controller for operating the pump and for...
US20090121034 Circulation pump, heating system and method of determining the flow rate of a liquid through a pipe  
In order to provide a circulation pump for a conveyed liquid, comprising an electric motor, which is electronically commutated and has a rotor, a stator and a motor circuit, and an impeller that...
US20120053737 HOME ENERGY MANAGEMENT SYSTEM INCORPORATING A POOL PUMP  
An energy management system for a home network is provided. The energy management system includes one or more power consuming devices, including at least a pool pump system having a motor and a...
US20110129356 ELECTRIC-MOTOR-DRIVEN OIL PUMP CONTROL SYSTEM  
In an electric-motor-driven oil pump unit with automatic engine-stop system interaction, in which an electric-motor-driven oil pump is driven by an electric motor for hydraulic pressure supply to...
US20150211526 Wireless Sensor System for Electric Submersible Pump  
An electric submersible pump system can include a shaft; a power cable connector; an electric motor configured to receive power via the power cable connector for rotatably driving the shaft; a...
US20130294932 OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL  
An oil-flooded screw compressor drives a pair of rotors at a rotational speed which is low enough not to increase torque for a short amount of time after start-up and accelerates the pair of...
US20120076667 ELECTRIC MOTOR PUMP CONTROL INCORPORATING PUMP ELEMENT POSITION INFORMATION  
A method and a system for controlling an electric motor of a pump to counter act pressure pulsations generated by at least one pump element and to reduce noise, vibration, and harshness generated...
US20130209275 PERISTALTIC PUMP WITH LINEAR FLOW CONTROL  
A peristaltic pump includes a conduit having a first end for receiving a fluid from a reservoir and a second end for delivering the fluid. A plurality of fingers are disposed at respective...
US20120205119 PUMP CONTROL DEVICE, OIL WELL WITH DEVICE AND METHOD  
A method of operating an oil well comprises applying through a regenerative variable frequency drive AC electrical energy from a power grid to an AC electric motor to operate a drive mechanism of...
US20130209274 EFFICIENCY OPTIMIZED AIR FLOW APPARATUS AND METHOD OF OPERATION  
A method for controlling the motor of an air handling system to provide a desired output of flowing air therefrom while minimizing the power used by the motor, including operationally connecting a...
US20120304636 HYDRAULIC FAN CIRCUIT  
A hydraulic fan circuit includes a primary pump, a motor fluidly connected to the primary pump, and a fan operably connected to and driven by the motor. The circuit also includes a supply passage...
US20110097214 Pump control device, oil well with device and method  
A method of operating an oil well comprises applying through a variable frequency drive AC electrical energy from a power grid to an AC electric motor to operate a drive mechanism of an oil well...
US20120251333 Autonomous Sump Pump System  
An autonomous sump (ASP) system is designed to remove water from a sump using a source of power other than commercial electrical power or battery power. The ASP system can be a stand-alone unit...
US20050163623 Air supply apparatus for stable air supply  
An air supply apparatus supplies atmospheric air to an external apparatus such as an air demander. The air supply apparatus comprises a pump, an actuator, a power consumption detector, an air...
US20110091330 Condensate Removal Pump Controller Using Acoustic Liquid Level Sensor  
A pump controller is provided for removing liquid condensate from a reservoir in a condensate pump removal system which collects condensate from an air conditioning/refrigeration system. The pump...
US20070071610 Method for controlling the drive motor of a positive displacement vaccum pump  
Method for controlling a drive motor of a positive displacement vacuum pump A method for controlling a drive motor of a positive displacement vacuum pump comprises the following method steps:...
US20140000664 WASHING APPARATUS AND DRAIN PUMP  
A pump (22) includes a pump casing (34) having a pump chamber (40), an impeller (30) received in the pump chamber (40), an electric motor (28) for driving the impeller (30), a detector (96) being...
US20110179780 SECONDARY AIR SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD OF THE SECONDARY AIR SUPPLY DEVICE  
A secondary air supply device for an internal combustion engine includes: an electric air pump that supplies secondary air into an exhaust pipe of the internal combustion engine; a controller that...
US20130248262 HOIST SYSTEM AND METHOD  
A system includes a motor coupled to an energy source and coupled to a hoist pump. During one mode of use or operation, the motor cars receive electricity from the energy source and provide...
US20110002792 CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR  
A pumping apparatus for a jetted-fluid system includes a pump having an inlet connectable to the drain, and an outlet connectable to the return. The pump is adapted to receive the fluid from the...
US20140341752 LOW PROFILE PUMP WITH THE ABILITY TO BE MOUNTED IN VARIOUS CONFIGURATIONS  
A pumping system featuring a pump chamber configured with a central portion having a tangential outlet, and configured with a tubular coupling end portion having inwardly flexible rim portions on...
US20130115108 HYDRAULIC POWER SYSTEM  
A hydraulic power system comprises a hydraulic pump coupled to a brushless motor. The brushless motor may comprise stators having a plurality of windings and at least one outrunning rotor having a...
US20120047999 VANE PUMP APPARATUS AND LEAK CHECK SYSTEM HAVING THE SAME  
An ECU determines whether condensed water is present at a rotor and vanes based on an electric current, which flows in an electric motor that drives the rotor. When the condensed water is...
US20130230411 COOLING SYSTEM  
A cooling system includes a cooling fan and a BIOS (Basic Input Output System) chip. The cooling fan includes a cable and a control chip. The control chip stores a manufacturer's name or a...
US20150240802 Pump  
Provided is a pump and a method of controlling a pump. The pump and method are particularly for use in dispensing reagents, for example in flow chemistry, and more particularly on a laboratory...
US20110280737 END OF STROKE DETECTION FOR ELECTROMAGNETIC PUMP  
Detection of end of stroke for an electromagnetic pump is performed using, for example, a calculated first flux derivative.
US20110023444 VARIABLE SPEED AND DISPLACEMENT ELECTRIC FLUID DELIVERY SYSTEM FOR A GAS TURBINE ENGINE  
A fluid delivery system in a gas turbine engine includes an electric motor, a first fluid pump system and a second fluid pump system. The electric motor operates at a variable speed. The first...
US20060008355 Bilge pump monitor with flow detection  
Defined here is an apparatus that automatically determines the operating condition of a sump or bilge pump system. An electronic circuit combines a signal from a flow sensor at the output of the...
US20150168957 CONTROL PROCESS TO SAVE ELECTRICAL ENERGY CONSUMPTION OF A PUMP EQUIPMENT  
The invention relates to a control method for minimizing the electrical energy consumed during a process of filling or draining a tank (R), said process of filling or draining the tank being...
US20150184577 COOLING SYSTEM AND OPERATION METHOD OF ELECTRIC OIL PUMP IN COOLING SYSTEM  
A cooling system 100 includes an electric oil pump 18, an outside air temperature sensor 22, an oil temperature sensor 21, and a controller 30. The controller 30 permits the actuation of the...
US20140227105 DC MOTOR DEVICE AND DC FAN USING THE SAME  
A DC motor device includes a first converting circuit, a second converting circuit, and a DC motor. A switch element is coupled to the DC motor device, and provides an alternating current to the...
US20140352333 METHOD FOR COLLECTING CONDENSATE INSIDE AN APPARATUS, APPARATUS EQUIPPED WITH A CONDENSATE COLLECTION SYSTEM AND MOTOR-PUMP ASSEMBLY INTENDED FOR A CONDENSATE COLLECTION SYSTEM  
A method for collecting condensate inside an apparatus, including: providing a condensate collection system with bottom and top collection tanks; a condensate discharge pump to displace liquid...
US20080232976 SHOWER FLOW SIMULATOR  
A method of simulating water flow through a shower waste pump which is controllable by a water-flow detector, the method comprising the step of by-passing the water-flow detector with a water-flow...
US20090232664 Permanent magnet motor for subsea pump drive  
A subsea pump drive employs a permanent magnet (PM) motor to drive a subsea pump. The PM motor rotor in one embodiment is canned with a non-magnetic material such as inconel that can provide a...
US20130225060 Energy Recovery Ventilator With Reduced Power Consumption  
An air conditioning unit includes a passage having a heat exchanger; a blower for blowing air through the passage; a blower motor driving the blower in response to a drive signal; an energy...
US20130330206 INTEGRATED FUEL PUMP AND CONTROL  
An integrated fuel pump and control system includes a pump assembly with an inlet and an outlet; a motor connected to the pump assembly to provide power to the pump assembly; a controller to...
US20120100009 PUMP CONTROL DEVICE AND PUMP DEVICE  
A pump control device for a pump device having a DC brushless motor as a drive source and a flow rate of the pump device is increased and decreased depending on a corresponding increase and...
US20070114162 Control algorithm of variable speed pumping system  
A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive...
US20150078917 SYSTEM AND METHOD FOR CONVERTERLESS OPERATION OF MOTOR-DRIVEN PUMPS  
A converterless motor-driven pump system includes an off-grid prime mover. The off-grid prime mover has a rotational driveshaft and operates in response to a throttle control command to control a...
US20150147188 High Volume Low Speed Fan Using Direct Drive Transverse Flux Motor  
Disclosed is a high volume low speed (HVLS) fan that is designed to circulate air in large buildings for cooling, heating, and ventilation. A fan with a diameter between 8 to 24 feet consisting of...

Matches 1 - 50 out of 326 1 2 3 4 5 6 7 >