|
Match
|
Document |
Document Title |
|
|
7621721 |
Vacuum pumping device with electronic control of the motor
An oil mechanical vacuum pump, which is equipped with an electric motor comprises an electronic control device for supplying the electric motor with power. The electronic control device comprises a...
|
|
|
7607895 |
Fluid circulation pump with synchronous motor, equipped with heating means of the fluid, in particular for washing machines
A fluid circulation pump ( 10 ) with synchronous motor ( 14 ), equipped with fluid heating device ( 40 ), particularly for washing machines or the like, of the type comprising a rotor ( 18 ),...
|
|
|
7607750 |
Pump control mechanism, printer incorporating the same, and pump control method
A pump member is cyclically moved to apply an air pressure to a liquid supply source to thereby supply liquid stored therein to a reservoir member. A driving source is driven in accordance with...
|
|
|
7568893 |
Electric air pump for secondary air supply system
When an air pump is operated, a brush temperature increase rate stored in an ECU in relation to a discharge pressure of the air pump and a brush temperature is multiplied by a calculation cycle...
|
|
|
7540718 |
Hermetic compressor
A hermetic compressor comprises a hermetic container, an electric motor installed inside of the hermetic container, a compressing mechanism disposed within the hermetic container and driven by the...
|
|
|
7442014 |
Fluid transfer system and method for transferring fluid
A fluid transfer systems described herein. The fluid transfer system generally includes a centrifugal multistage pump, a holding tank for holding the fluid operably connected to the pump body via a...
|
|
|
7442012 |
Speed control for compressors
Improvements to a compressor which consists in that, as soon as the measured outlet temperature (TO) reaches a certain hysteresis upper temperature limit (HMAX), the actual rotational speed of the...
|
|
|
7421316 |
Method and device for regulating fluid pump pressures
A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the...
|
|
|
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...
|
|
|
RE40399 |
Low charge protection vent
A vent is included into a scroll compressor for protecting a refrigerant system in the event of loss of charge. The vent selectively taps an entrapped compression chamber to a housing chamber which...
|
|
|
7322806 |
Scroll compressor with externally installed thermostat
A thermostat for sensing an unduly high temperature in a sealed compressor, which is a scroll compressor in the disclosed embodiment, extends through the housing of the sealed compressor into the...
|
|
|
7317296 |
Electric motor
The electric motor is equipped with an electronic control, for example in the form of a frequency converter ( 2 ) and comprises at least one Seebeck element ( 6 ) whose one side is connected to the...
|
|
|
7281912 |
Compressor having a safety device being built in at least one of the screw plugs of the oil-separator
A compressor is provided with an oil separator for separating part of the lubricating oil contained in the compressed refrigerant, path arrangement for connecting a separation chamber of the...
|
|
|
7188639 |
Storage tank for easily polymerizable compound and method of storage
A storage tank for an easily polymerizable compound has acceptance piping and delivery piping with a circulation line directly connecting the acceptance piping to the delivery piping or with...
|
|
|
7182583 |
Electro-hydraulic power unit with a rotary cam hydraulic power unit
An electro-hydraulic power unit is disclosed that includes a housing filled with hydraulic fluid. A hydraulic power unit is disposed within the housing, the power unit having a mechanical power...
|
|
|
7140382 |
Water circulating system having thermostatically controlled bypass valve
A water circulating system including a water control fixture having an operating valve and a thermostatically controlled bypass valve disposed in the fixture for bypassing water away from the...
|
|
|
7142125 |
Fan monitoring for failure prediction
A method for monitoring a fan comprises measuring power usage of the fan, determining a derivative of the measured fan power usage, tracking the derivative over time, and predicting impending fan...
|
|
|
7089955 |
Recreational vehicle low temperature water supply warming system
The present recreational vehicle water warming and circulating system uses the heated water in the water heater to heat the on-board water supply when the outside air temperature drops below the...
|
|
|
7090469 |
Turbomolecular pump
A turbomolecular pump ( 10 ) comprises a stator ( 12, 18 ), a pump rotor ( 20 ) a motor ( 28 ) for driving the pump rotor and a control device ( 42 ). The control device ( 42 ) controls the motor...
|
|
|
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...
|
|
|
7070393 |
Method for regulating a compressor installation with a dryer and compressor installation used therewith
The invention relates to a method for regulating a compressor installation with at least one compressor element ( 6 ) driven by a motor and, in the pressure conduit ( 11 ) thereof, a dryer ( 2 ) of...
|
|
|
7048511 |
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...
|
|
|
7044715 |
Controller for oil wells using a heated probe sensor
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...
|
|
|
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...
|
|
|
7036520 |
Hot water heater recirculation system and method
A hot water recirculation system includes a source of hot water, a fixture, a fluid circuit, a fluid pump, and an electrical circuit sensor. The fixture is remote from the source of hot water and...
|
|
|
7033147 |
Centrifugal fluid pump assembly with flow rate calculating section
A centrifugal fluid pump assembly includes a body section and a control mechanism 6. The body section includes a housing, an impeller rotatable within the housing, and a motor for rotating the...
|
|
|
7029239 |
Piecewise linear control of the duty cycle of a pulse width modulated signal
A system may include a PWM generator and control logic. The PWM generator is configured to generate a PWM signal having a duty cycle dependent on a duty cycle value generated by the control logic....
|
|
|
6966759 |
Compressor diagnostic and recording system
A compressor diagnostic system incorporates a control which receives a plurality of data streams about various operational features of the compressor. As an example, both temperature and pressure...
|
|
|
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...
|
|
|
6925823 |
Refrigerant cycle with operating range extension
A refrigerant cycle is provided with a control that monitors system conditions such as current, voltage or temperature at a compressor motor or refrigerant state conditions at compressor ports. A...
|
|
|
6905313 |
Pressure production unit and ink jet printer using the same
A pressure production unit provided in an ink jet printer. The pressure production unit includes: an air pump unit; a drive source that drives the air pump unit; a storage unit; a temperature...
|
|
|
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...
|
|
|
6845752 |
Fuel injection system
A fuel injection system includes a fuel pressure boost pump having a pump body that defines a pump cylinder and a pump chamber. A piston structure is movable in the pump cylinder along a...
|
|
|
6837688 |
Overheat protection for fluid pump
An apparatus for detecting the presence of an overheat condition in a fluid pump includes a pump head for receiving a fluid at a first pressure and outputting the fluid at a second pressure that is...
|
|
|
6814546 |
Multifan-equipped apparatus for cooling objects mounted at local interior regions and provided with fan-unit assembly and operation monitoring means having an error detector
A multifan-equipped apparatus in which a plurality of objects mounted are controllably cooled by blowing air using a fan-unit assembly composed of a plurality of fan units. The plural fan units are...
|
|
|
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...
|
|
|
6623244 |
Heater material
A scroll compressor is provided with a thermostat selectively closing when predetermined temperatures are reached to deliver current to a heater associated with a motor protector switch. The...
|
|
|
6604909 |
Diaphragm pump motor driven by a pulse width modulator circuit and activated by a pressure switch
A pump assembly that has a control circuit and a pressure switch which control the operation of a pump motor. The motor drives a positive displacement pump that is coupled to a fluid system. The...
|
|
|
6589029 |
Self-contained motor driven hydraulic supply unit
A compact hydraulic supply unit has a housing forming a reservoir for a pressure fluid, and includes a housing bottom, a housing cover and a housing middle part therebetween in the form of a...
|
|
|
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...
|
|
|
6551065 |
Fan protection device
A device to protect fans from overheating and overloading with driving current. The fan protection device of the present invention monitors the temperature and current change of the operating fan....
|
|
|
6540484 |
Scroll compressor with thermostat mounted in non-orbiting scroll
A thermostat is positioned within a scroll compressor such that a thermostat switch is positioned in the non-orbiting scroll, and a body of the thermostat extends through the crankcase. The...
|
|
|
6536464 |
Thermostatically controlled bypass valve and water circulating system for same
A thermostatically controlled bypass valve for bypassing water away from a hot water valve until the water temperature reaches a desired level at a fixture in use for home or industrial...
|
|
|
6527517 |
Pump
A pump for a coolant circuit of an internal combustion engine of a motor vehicle includes a temperature sensor integrated into the pump for detecting the temperature of the fluid flowing into a...
|
|
|
6503061 |
Device for dissipating heat and cutting off power of a pump
A heat dissipating and power cutting-off device of a pump has a heat dissipating ceramics ring fitted in a plastic member to form watertight connection in between to prevent water from flowing to a...
|
|
|
6499961 |
Solid state liquid level sensor and pump controller
A liquid level controller for a device having a liquid reservoir includes a control board and a reservoir assembly. The reservoir assembly is disposed within the reservoir and includes a liquid...
|
|
|
6499960 |
Control circuit for a heat-dissipation fan
A control circuit for controlling the rotational speed of a heat-dissipation fan for an electronic device, the circuit including a temperature sensing circuit for sensing the ambient temperature of...
|
|
|
6491500 |
Scroll compressor with motor protector in non-orbiting scroll and flow enhancement
A scroll compressor is provided with a motor protector mounted at a location remote from the motor. The motor protector is of the sort which operates to stop operation of the motor both when the...
|
|
|
6488475 |
Electric blower and electric cleaner with an air cooled power device situated between the impeller and motor
An electric blower includes a motor unit having a stator and a rotor, a fan unit having an impeller attached to an output shaft of the rotor, and a circuit unit having a heat-generating component...
|
|
|
6474951 |
Controller for pump and valve
The invention relates to an apparatus including a pump 1 driven by an electronically controlled electric motor 3 with a pump controller 4 and a valve 2 operated by an electronically...
|