|
Match
|
Document |
Document Title |
|
|
7611331 |
Device and method for controlling a two cylinder thick matter pump
A device and a method for controlling a two-cylinder thick matter pump comprising pistons that are actuated in a push-pull manner by means of a hydraulic reversible pump ( 6 ) and hydraulic drive...
|
|
|
7588422 |
Pump driving method and device therefor
A pump driving apparatus has a characteristic changing section which receives a set pressure, a set flowing amount, a set horse power, and a DC voltage of the converter section as input, outputs...
|
|
|
7484938 |
Electronic control for pool pump
An electronic pool pump timer that controls the run time or the pump for a period of time each day depending on the date. In the preferred embodiment, the user enters the historical daily maximum...
|
|
|
7459869 |
Driving apparatus of motor
A driving apparatus of a motor capable of operating a motor of a reciprocating compressor stably by using a simple power voltage control unit. The apparatus includes a power voltage control unit...
|
|
|
7446494 |
HVAC actuator having torque compensation
A method and system are disclosed for adjusting the torque of a motor for a HVAC actuator based upon one or more operating conditions of the HVAC actuator. One illustrative HVAC actuator includes...
|
|
|
7393185 |
Fuel pump with automatic shutoff
A pressure sensor subsystem measures the pressure within a fuel pump and outputs an under-pressure signal when the measured pressure is below a predetermined threshold pressure value. A temperature...
|
|
|
7338260 |
System and method for controlling current provided to a stepping motor
A system and method is disclosed for controlling the input electrical current to an infusion pump stepper motor based on predetermined torque requirements. The system can include a motor controller...
|
|
|
7331773 |
Pump provided with exhaust valve device and hemodynamometer incorporating the same
A diaphragm is provided in a pump case so as to define a pump chamber communicated with an external member having an air chamber. A motor actuates the diaphragm to introduce air into the pump...
|
|
|
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...
|
|
|
7314039 |
Method of controlling operation of a liquid-fuel combustion appliance
A method of controlling operation of a liquid-fuel combustion appliance. The method is characterized by including an “antiseize operating mode” in which an electric motor and a fuel pump,...
|
|
|
7252483 |
Method of managing time, at which maintenance in a gas compressor multiple system should be carried out
The method of managing time M, at which maintenance of a gas compressor multiple system incorporating therein a plurality of gas compressors should be carried out, involves making a comparison...
|
|
|
7222493 |
Compressor diagnostic system
A system and method for diagnosing and protecting a compressor includes a sensor, logic circuitry, a motor protector and an intelligent device. The logic circuitry is associated with the sensor and...
|
|
|
7156983 |
Swimming pool backwash assembly
A swimming pool backwash control arrangement includes a timing device incorporated with a valve for controlling normal re-circulating flow and backwash flow through a swimming pool filter. The...
|
|
|
7128538 |
Centrifugal fluid pump apparatus
A centrifugal fluid pump apparatus includes a control mechanism including an emergency impeller rotation function. The emergency impeller rotation function includes a rotation termination function...
|
|
|
7118348 |
Compressed air system and method of control
A compressed air system, wherein a decision to de-energize a compressor motor is made with consideration of the likely need for the operation of the compressor at a future point in time. A rate of...
|
|
|
7118347 |
Method for activating an electric motor and a metering pump by supplying predetermined pulse intervals to supply predetermined fluid quantities
The methods serves for activating an electric motor of a metering pump with which the fluid quantity (V nom ) to be delivered is set by an external impulse trigger, wherein a predetermined delivery...
|
|
|
7100382 |
Unitary control for air conditioner and/or heat pump
A unitary control for operating at least the fan and compressor of a climate control apparatus in response to signals received from a thermostat, the unitary air conditioning control includes a...
|
|
|
7077155 |
Hot water recirculating system
A hot water circulating system to provide instant hot water including a hot water source connected to one or more fixtures and a hot water return line from the fixture to the hot water source...
|
|
|
7044714 |
System and method for controlling pumping of non-homogenous fluids
A controller for controlling the pump unit of an oil well includes a sensor having a first and second probe for placement in the flow of oil from the well bore. Each of the probes contains a...
|
|
|
7028491 |
Method and apparatus for reducing inrush current in a multi-stage compressor
A compressor assembly having a first compression mechanism operatively coupled to a first motor and a second compression mechanism operatively coupled to a second motor. The first compression...
|
|
|
7000626 |
Instantaneous and constant fluid delivery system
This is a method and means for maintaining a constant supply of a fluid with specific characteristics within a fluid supply conduit from a supply source of the fluid with specific characteristics...
|
|
|
6962162 |
Method for operating a multi family/commercial plumbing system
A method for operating a multi-family/commercial plumbing system includes sensing an event and recording for each sensed event at least one parameter selected from the group consisting of date, day...
|
|
|
6910344 |
Compressor torque estimate device, engine controller and method of estimating compressor torque
A compressor torque estimate device is used for a variable displacement compressor whose displacement is variable based on a compressor control signal for estimating a compressor torque of the...
|
|
|
6895985 |
Smart device and system for improved domestic use and saving of water
A system for providing a user with water at a desired temperature comprising a piping system that includes a hot water pipe and a cold water pipe, a pump coupled to the piping system and a smart...
|
|
|
6893227 |
Device for prevention of backward operation of scroll compressors
A method and apparatus which provides a pressure sensor and/or temperature sensor connected to the low pressure side of a refrigeration system, or the discharge line of a scroll compressor. When...
|
|
|
6874326 |
Air conditioning system with two compressors and method for operating the same
Disclosed are an air conditioning system with two compressors and a method for operating the same, so as to variably change a compression capacity of a refrigerant according to the variation of...
|
|
|
6826490 |
Transducer calibration system: apparatus and method
A transducer calibration apparatus and method for transforming both previously established transducer parameters for a transducer calibrated to a first target object material and measured...
|
|
|
6804971 |
Apparatus and method for controlling compressors of air conditioner
Disclosed are an apparatus and a method for controlling a plurality of compressors of an air conditioner. The apparatus comprises a counter, a timer, and a controller. The counter serves to count...
|
|
|
6799950 |
Method and apparatus for controlling a compressor
A method and apparatus for controlling a compressor suitable for delivery of pressurized fluid to a pressurized fluid system, wherein the delivery of the pressurized fluid to the pressurized fluid...
|
|
|
6796776 |
Pumping system and method with improved screen
A system and method for reducing the collection of debris in a fluid pumping system. The system and method may be used in pools, spas, or other applications in which fluids are circulated through a...
|
|
|
6715995 |
Hybrid compressor control method
A method for controlling a hybrid compressor system is disclosed. The hybrid compressor system includes a variable displacement hybrid compressor that is selectively driven by one of an engine and...
|
|
|
6676382 |
Sump pump monitoring and control system
Motor speed, motor amps, float position and elapsed run time are monitored to determine whether a sump pump is in a normal condition, a jammed condition, an inadequate pumping rate condition, a dry...
|
|
|
6669448 |
Pump control method and apparatus
A method for controlling the operation of one or more electrically-operated pumps ( 11, 12 ) to pump a liquid from a well or sump ( 10 ) which, in use, receives a substantially continuous inflow of...
|
|
|
6663348 |
Method of controlling a compressor, piston-position monitoring system, and compressor
A system and method for controlling a compressor ( 1 ) is provided that prevents the piston ( 5 ) of the compressor from colliding against the valve system ( 8, 9 ) provided therein. The system and...
|
|
|
6640564 |
Vehicle air conditioner with automatic breaking-in operation of compressor
In a vehicle air conditioner, a control unit includes determining means for determining a first start of a compressor for compressing refrigerant in a refrigerant cycle after being mounted on the...
|
|
|
6632072 |
Pneumatic pump control system and method of making the same including a pneumatic pressure accumulator tube
A pneumatic pump control system for sequentially switching on and off an electrically operated pump disposed in a waste water liquid storage tank The pneumatic pump control system comprises a...
|
|
|
6612812 |
Semiautomatic electronic system for sensing and increasing liquid in a containment vessel to a predetermine level
A semiautomatic electronic system for sensing and accordingly raising if such is determined to be required, the fluid level of a liquid present in swimming pools, animal water drinking troughs, or...
|
|
|
6592332 |
Pump-off control interrupter
A pump-off control system for use with an electric motor driven pump jack assembly for operation of a down hole pump in which a circuit interrupter device is attached to the top of the polished rod...
|
|
|
6585490 |
Vacuum regeneration method for a flywheel system
A vacuum management and regeneration apparatus and method for operating an energy storage flywheel system having a flywheel supported by a bearing system inside an evacuated chamber enclosed within...
|
|
|
6582198 |
Control strategy for a thermally activated diverter valve used in a washing appliance
A washing appliance having a thermally actuated diverter valve to allow for the diversion of water through the water holding receptacle of the washing appliance, where control means controls the...
|
|
|
6572338 |
Modular air circulator control
The modular timer for an air circulator comprises a timer for energizing an air circulator motor for a predetermined amount of time. A first connector connects the timer to an air circulator motor...
|
|
|
6568426 |
Pressurized water supply systems
A pump assembly for a pressurized water system includes a pressure sensitive switch ( 27 ) arranged to monitor the water pressure in a pipe ( 14 ) extending between a water delivery pump ( 13 ) and...
|
|
|
6537019 |
Fan assembly and method
A fan assembly includes a first fan and a second fan. The first fan has a first housing and a first blade assembly. The first blade assembly includes a plurality of blades attached to a hub, and is...
|
|
|
6517329 |
Electromagnetic blower and two-passage air supply apparatus
Provided is a low-noise, long-life electromagnetic blower that has a simple, low-priced configuration and can realize two different outputs, high and low. When the electromagnetic blower is...
|
|
|
6474950 |
Oil free dry screw compressor including variable speed drive
An oil-free dry screw compressor system is provided and includes a variable speed drive and motor along with control logic to increase or decrease the speed of the drive and motor based on sensed...
|
|
|
6450771 |
System and method for controlling rotary screw compressors
An electronic control system dynamically varies the output capacity of a compressor by controlling plural valves associated with the compressor to provide pressurized air to a distribution system...
|
|
|
6435838 |
Fluid well pump
A fluid pumping system includes a number of stages. Each stage has a fluid chamber having a top end with an air aperture and a bottom end with a fluid apertures. An air line is connected to the air...
|
|
|
6435836 |
Fluid machinery
The present invention relates to a pump for delivering under pressure various liquids including water. The temperature of the handled liquid in a pump casing ( 1 ) is detected by a thermistor ( 51...
|
|
|
6419454 |
Air compressor control sequencer
A controller for managing a plurality of compressors in an efficient manner such that the system uses less energy, has lower maintenance cost and experiences less wear. For a system with multiple...
|
|
|
6409476 |
Pumpjack dynamometer and method
A dynamometer readout ( 42, 46 ) and method is disclosed for obtaining dynamometer information ( 110 ) related to pumpjacks ( 10 ). For this purpose, a change of pivotal direction of the walking...
|