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Match Document Document Title
9033675 Rotary vane compressor  
A rotary vane compressor includes a cylinder chamber having an ellipsoidal inner wall shape, a rotor rotatably provided in the cylinder chamber, a vane held in the rotor so as to contact with an...
8992182 Time-based multi-mode pump control  
Times of at least one of on cycles and off cycles of a pump operating in one of a sub-pump mode and a continuous pumping mode are monitored. A determination is made as to whether to switch the...
8959899 SCR system and method for the purging thereof  
SCR system for treating the exhaust gases of an internal combustion engine, this system comprising a line for feeding a urea solution into the exhaust gases and a pump capable both of feeding the...
8951020 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...
8926291 Speed control for diaphragm pump  
A liquid pump control system for dry run avoidance and re-prime detection. Pump dry run conditions can be detected with improved sensitivity by measuring pump cycle speed. Pump cycle speed is...
8920131 Pump control and method  
A pump control (20) and method are provided for controlling a pump (16) for a pressurized liquid supply system (10). The pump control (20) includes a controller (38) configured to provide at least...
8874383 Pump assembly  
A pump assembly and maintenance system and method. An inventory of pump components has an identifier to track the pump component and a sensor to gather operating data associated with the pump...
8840376 Pumping system with power optimization  
The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an...
8777584 Energy saving green wastewater pump station design  
An energy saving three pump waste water pump station design that eliminates the high energy usage of traditional waste water pump stations, reduces maintenance costs to the pumps and increases the...
8744722 Snowmobile having electronically controlled lubrication  
A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering...
8734118 Set of piston compressors and methods for oil compensation  
A set of piston compressors (2, 4, 6, 8) for use in a refrigeration system comprises a fluid connection (10) between the crank cases of the piston compressors (2, 4, 6, 8) for allowing oil...
8698447 Energy saving system and method for devices with rotating or reciprocating masses  
A system and method are provided for reducing the energy consumed by a pump jack electric motor by reducing the supply voltage to the motor when the motor would be generating energy in open loop...
8698446 Method to save energy for devices with rotating or reciprocating masses  
A system and method are disclosed for turning off the voltage to a pump jack electric motor during predetermined periods of time to save energy. In the method, the motor's response to closed-loop...
8616855 Integral compressor motor and refrigerant/oil heater apparatus and method  
A compressor apparatus includes a power source (26), a shell (12; 42), an electric motor (28; 52; 100; 200) having motor windings, and a control assembly (106; 206). The electric motor (28; 52;...
8573951 Pool recirculation pump safety system and method  
A pool recirculation pump safety system includes a power supply assembly operable to selectively supply operating power to a recirculation pump motor, an entrapment detection assembly operable to...
8573952 Priming protection  
Embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, and a controller in communication with...
8529214 Variable speed progressing cavity pump system  
A pump system including a pump and a sensor system for monitoring a fluid production of the pump and providing an output indicative of the fluid production. The sensor system is configured to use...
8496444 Water-lifting pump apparatus and method of controlling operation thereof  
A water-lifting pump apparatus which is free of a discharge valve and a check valve, is low in cost, and is capable of reducing vibration and noise due to a waterfall after the end of water...
8489242 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...
8475136 Compressor protection and diagnostic system  
A compressor includes at least one current sensor and processing circuitry in communication with the at least one current sensor. The processing circuitry declares a locked rotor condition when...
8469675 Priming protection  
Embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, and a controller in communication with...
8459957 Water-injected compressor  
A water-injected compressor, which injects the water inside the separator 3 into the compressor and discharges the water along with compressed air into the separator and then gains condensed and...
8454320 Control process for a piezoelectric pump of an electric household appliance and an electric household appliance employing such a process  
Control process for a piezoelectric pump (100) of an electric household appliance comprising a pump chamber (110) equipped with a mobile wall (111) displaceable under the action of a piezoelectric...
8430640 Powder spray coating device and powder transport device therefor  
A powder feed apparatus for a powder spraycoating equipment includes a dense phase powder pump fitted with at least two feed chambers, alternatingly discharging coating powder. Each feed chamber...
8425198 Air compressor  
An air compressor 20, for enabling to restart a fan motor when an inverter trip generates within an inverter control of the fan motor, as well as, to continue supplying of compressed air...
8403647 Shower waste pump control device  
A control device for controlling a shower waste pump, includes a housing, a pump setting, and an over-run setting. The pump setting, by way of a control element, preferably a manually adjustable...
8398376 Dry pumps  
A dry pump apparatus comprises; a pumping mechanism, a controller for controlling the operation of the pumping mechanism, and a sensor for sensing the operating temperature of the pumping...
8393352 Control system and method for water supply  
Known water supply systems are fed from a source of water such as a tank (6) via a pump (5) to outlets which are occludable by means of a cock (C1-C3). A water pressure sensitive electrical switch...
8371821 Green waste water pump station control system  
An electrical control system for energy efficient pump stations providing for continuous operation of a single primary pump with a second pump functioning as the support pump and a third pump...
8360736 Controller for a motor and a method of controlling the motor  
A method of controlling a motor operating a pumping apparatus of a system includes determining a trip value for a parameter, floating the trip value, and monitoring the operation of the pump....
8354807 Anti-noise method for sensorless-brushless direct current motor system  
An anti-noise method for the Direct Current Brushless motor System, which includes a startup circuit, phase detective circuit, motor phase commutation circuit, driving circuit, BEMF detective...
8311691 Control device for mobile unit  
An HV-ECU performs a step of detecting an atmospheric pressure, a step of calculating a maximum value of a boost voltage corresponding to the atmospheric pressure by using a map, and a step of...
8292599 Compressor reverse rotation of variable duration on start-up  
In a method of operating a compressor at startup, the compressor is rotated in reverse for a brief period of time. The compressor is of a type that does not compress liquid when rotated in...
8287230 Fixed and variable compressor system capacity control  
A controller for a system having at least one variable-capacity, pulse-width modulated compressor and at least one fixed-capacity compressor is provided. The controller may include processing...
8278864 Compressor control  
The invention relates to improvements in compressors and, in particular, to an improvement in a method of controlling variable speed dynamic compressors to avoid ‘motor overload as a result of...
8235673 Control method of inverter compressor and inverter compressor  
The present invention provides a control method and a control apparatus of an inverter compressor in which when a trip occurs immediately after the inverter is started, retry can be performed in a...
8231355 Linear motor controller improvements  
A free piston gas compressor has a cylinder, a piston, the piston reciprocable within the cylinder in alternating compression and expansion strokes. A reciprocating linear electric motor is...
8226370 Hydraulic system and method for controlling valve phasing  
An exemplary hydraulic system includes a first digital valve fluidly connectable to a first hydraulic load and a pump. The first valve is operable to fluidly connect the first hydraulic load to...
8221091 Driving controlling apparatus for reciprocating compressor and method thereof  
Driving controlling apparatus and method for a reciprocating compressor capable of stably driving a reciprocating compressor when a reciprocating compressor is operated or an output capacity of...
8221088 Linear compressor controller  
A control for a linear compressor energises the linear motor in harmony with the present natural frequency of the compressor. The controller monitors the present operating frequency and compares...
8172544 Operation control device for vacuum pump and method for stopping operation thereof  
To provide an operation control device for a vacuum pump and a method for stopping the operation of the vacuum pump that make it possible to effectively remove products, resulting from...
8157537 Method, system, and apparatus for operating a sucker rod pump  
Apparatus, methods, and system for wireless remote monitoring and controlling a sucker rod pump for producing hydrocarbons, providing self-adjusting methods for operation over a wide-range of...
8133033 High voltage bus capacitor pre-charger circuit  
A precharge circuit (20, 20′, 20″) charges at least one capacitor (22, 22′, 22″) associated with an electrical device with high capacitance, such as a motor (14) which drives a compressor (16) of...
8135529 Method for controlling constant-pressure fluid  
A method for controlling a constant-pressure fluid enables an inverter with a build-in controller to control rotation speed of a pump to achieve constant-pressure control thereof. In the control...
8127563 Linear-compressor control system, a method of controlling a linear compressor and a linear compressor  
A linear compressor control system includes an electronic circuit controlling an electric motor that drive a piston of the compressor, such that the motor is operated intermittently with an...
8116911 System and method for sump heater control in an HVAC system  
A system and a method are provided for powering up a heating, ventilation, and air conditioning (HVAC) system and operating a sump heater for a compressor for a first predetermined period of time...
8105047 Electric home appliance having drain function and method of controlling the same  
A home appliance equipped with a drain function and a method of controlling the same are disclosed. A method of controlling a home appliance equipped with a drain apparatus includes switching...
8066491 Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring  
An air operated pump (10) uses a magnet (14) mounted in the valve cup (16) of the air motor (18) and two reed sensors (20) mounted in the valve cover (22) to monitor the speed and position of the...
7980831 Oscillating type compressor  
An oscillating type piston is connected to an output shaft of an electric motor through a crankshaft. The piston is provided with a lip ring that slidingly contacts a cylinder. The motor is...
7922457 System and method for controlling a variable speed compressor during stopping  
A compressor system operable to shutdown in response to a shutdown signal. The compressor system includes a compression device operable between a first speed and a second speed to produce a flow...

Matches 1 - 50 out of 426 1 2 3 4 5 6 7 8 9 >