Class / Patent application number | Description | Number of patent applications / Date published |
417423800 | Having additional means to remove heat from pump or motor | 27 |
20090028730 | Radial fan - The invention relates to a radial fan ( | 01-29-2009 |
20090297373 | COOLING AIRFLOW ELECTRIC MOTOR-DRIVEN PUMP - An improved cooling airflow electric motor-driven pump, particularly adapted for pumping condensate from refrigeration and air conditioning systems includes a reservoir body, a reservoir cover supporting an electric motor directly connect to a centrifugal pump impeller at one end of the motor rotor shaft and to an open radial blade blower wheel at the opposite end of the motor rotor shaft. The motor is mounted on the reservoir cover and a motor cover mounted on the reservoir covers defines an aerothermodynamically matched blower wheel shroud and cooling air inlet and discharge ports for the flow of cooling air across the motor and associated electronic controls. | 12-03-2009 |
20090324436 | MOTOR CENTRIFUGAL PUMP HAVING COOLANT PUMP - The invention relates to a motor centrifugal pump, particularly as an immersion pump, having a coolant pump that is driven by the electric motor, the pump circulating the coolant of the electric motor and the impeller thereof being driven by the electric motor, wherein the impeller shaft of the coolant pump is connected to the motor shaft via a transmission. | 12-31-2009 |
20100178181 | HEAT-DISSIPATION STRUCTURE FOR MOTOR - A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through hole. The cover is connected to an exterior of the bottom of the housing and a distance is formed between the cover and the housing, so that the cover prevents objects from entering the through hole. | 07-15-2010 |
20100215526 | ELECTRIC MACHINE WITH AIR COOLING SYSTEM - An electric machine comprising a stator having a stator winding, a housing accommodating the stator, a rotor, and an air gap having a generally cylindrical configuration. A plurality of circumferentially distributed, radial, first cooling gas ducts are provided in a stator core. Jets of cooling gas are directed to regions of an end winding which are relatively distant from the stator core, in order to achieve impingement cooling thereof. Flows of cooling gas are directed to portions of the end winding which are between the impingement cooled regions of the end winding and the respective front face of the stator core. | 08-26-2010 |
20100266430 | TURBOCHARGER WITH ELECTRIC MOTOR - A motor stator | 10-21-2010 |
20100329908 | HEAT EXCHANGER FOR ESP MOTOR - A heat exchanger to serve ESP equipment installed on the seabed located in either a caisson or skid. A hot oil line connects the base of the ESP motor with the externally located heat exchanger, allowing hot motor oil to be circulated through coils externally exposed to seawater. The heat from the oil is rejected to the seawater and the cooled oil is reintroduced to the motor via a cold oil line that communicates with the seal section. The heat exchanger arrangement reduces the temperature of an ESP motor, thus allowing the motor to operate longer and more reliably. | 12-30-2010 |
20110052434 | Switch and Motor-Cooling Device for an Electric Fan - A switch and a motor-cooling device for an electric fan comprise a motor, a housing, a controller and a knob. The housing is defined with a concave portion in an end thereof, and on the bottom of the concave portion are provided plural assembling portions. The concave portion is formed with an outward-enlarged arc-shaped guiding surface around a periphery thereof and interiorly defined with plural inlet holes. The controller and the knob are assembled to the assembling portions. The knob is exteriorly provided with a tapered arc-shaped guiding surface. With the guiding surface of the housing and the guiding surface of the knob, the air within the angular scope of the concave portion and behind the knob can be completely sucked into the concave portion, thus increasing the amount of the air sucked into the housing and obtaining the optimal heat dissipation efficiency. | 03-03-2011 |
20110123375 | ROTATIONAL DIRECTION INDICATOR - The inventive rotational direction indicator for an electric motor having a cooling fan has a baffle element which can be moved between two positions and which can be arranged on an electric motor with a cooling fan in such a way that the baffle element is positioned in an airstream of the cooling fan whose direction depends on the rotational direction of the electric motor, and said baffle element is respectively moved into one of its two positions by said electric motor as a function of the direction of the airstream. The rotational direction indicator has a display unit which is designed to visually indicate the position of the baffle element and can be arranged on an outer side of the electric motor. In addition, the rotational direction indicator has a display actuating unit which connects the display unit and baffle element to one another, and transmits the position of the baffle element to the display unit. | 05-26-2011 |
20110135520 | INJECTION MOLDED FAN MOTOR CONTROLLER HOUSING WITH ADVANCED COOLING FEATURES - An example fan motor controller housing includes an inner fan housing, an outer fan housing including a base plate, plenums and air passages, stator vanes and a motor control housing. The inner fan housing, the outer fan housing, the stator vanes, and the motor control component housing are all made of a polymer. The fan motor controller housing also includes heat sinks attached to the plenums. The heat sinks are cooled by air flowing from air passages through the plenum. Motor controller components are attached to the heat sink and heat dissipates from the motor controller components to the heat sink. | 06-09-2011 |
20110236237 | FAN AND FAN ASSEMBLY - A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed. | 09-29-2011 |
20120039732 | FAN SELF-COOLING STRUCTURE WITH HEAT PIPE - A fan self-cooling structure with heat pipe includes a stator assembly, a fan circuit board, and at least one heat pipe. The fan circuit board is flatly connected to a bottom end of the stator assembly and has at least one heat-producing electronic element provided thereon. The at least one heat pipe is provided on the fan circuit board for absorbing and transferring heat energy produced by the at least one electronic element. With these arrangements, it is able to lower the temperature of the electronic elements in a fan and enhance the characteristics of the fan. | 02-16-2012 |
20140079577 | FAN - A fan includes a fan frame, a motor and an impeller. The motor is disposed in the frame. The impeller is connected with the motor and driven by the motor. The impeller includes a hub, an inner blade and an outer blade. The hub has a first surface facing the motor and a second surface facing away from the motor. The inner blade is disposed on the first surface, and the outer blade is disposed on the second surface. | 03-20-2014 |
20140314598 | Shock-Absorbing Fan Motor Mount With Motor Cooling - The invention relates to a motor mount ( | 10-23-2014 |
20140377102 | COMPRESSOR ASSEMBLY HAVING ELECTRONICS COOLING SYSTEM AND METHOD - A system, compressor, and method that cools an electronics module with a low-pressure refrigerant. The system, compressor, and method utilize a temperature sensor that detects a temperature of the low pressure refrigerant and communicates with the electronics module. Based on the temperature detected by the temperature sensor, the electronics module controls a liquid dry out point of the refrigerant that is used to cool the electronics module. | 12-25-2014 |
20150017032 | SHIP'S PROPULSION UNIT - The present disclosure relates to a ship's propulsion unit which includes: a closed liquid cooling system having an inner space containing liquid. The inner space is partly limited by a cylindrical outer surface of a cylindrical section of a motor housing section of the propulsion unit for exchanging thermal energy between an electric motor arranged in the cylindrical section of the motor housing section and liquid in the inner space. The inner space of the closed liquid cooling system is partly limited by the shell structure of the propulsion unit so that liquid in the inner space is in direct contact with the shell structure of the propulsion unit for exchanging thermal energy between liquid in the inner space and water surrounding the propulsion unit via the shell structure of the propulsion unit. | 01-15-2015 |
20150017033 | SHIP'S PROPULSION UNIT - The disclosure relates to a ship's propulsion unit including a shell structure arranged below a hull of the ship and an electric motor for rotating a propeller. The propulsion unit can include a closed gas circulation cooling system containing gas and include a gas circulation device for circulating gas through channels in the electric motor, a closed liquid cooling system having an inner space containing liquid, and a gas-liquid-heat exchanger in fluid connection with the closed gas circulation cooling system and with the closed liquid cooling system for exchanging thermal energy between gas circulating in the closed gas circulation cooling system and liquid in the closed liquid cooling system. | 01-15-2015 |
20150037181 | PUMP ARRANGEMENT - Pump arrangement ( | 02-05-2015 |
20150044077 | FAN - A fan includes a motor, an impeller and a heat dissipating structure. The impeller includes a hub and a plurality of first blades. The hub receives the motor, and the hub comprises at least a heat dissipating hole. The first blades are disposed around the hub. The heat dissipating structure is disposed outside the hub. The heat dissipating structure includes a baffle and at least a second blade extending from the baffle and disposed corresponding to the heat dissipating hole. | 02-12-2015 |
20150078938 | AIR COMPRESSOR - An air compressor includes a cooling fan having a back plate serving as a plate shape part formed on a flat plate, a normal line thereof being set to a direction along a rotational shaft of a motor, blades extending parallel with the rotational shaft from an inner side of the back plate towards an outer periphery thereof and being centrifugally formed on the back plate, and a ring part having a cylindrical shape substantially parallel with the rotational shaft and extending from the back plate towards a heat generation surface. When the motor is operated, exterior air sucked by the cooling fan is guided to a central part thereof, flows towards an outer periphery thereof along the back plate, deflected by the ring part, flows towards and collides with the heat generation surface and further flows radially. | 03-19-2015 |
20150104340 | Draft Inducer for Low Power Multistage Furnaces Utilizing an Electronically Commutated Motor System and an Associated Method of Use - A furnace assembly comprising a non-condensing furnace with a draft inducer. The draft inducer includes a permanent magnet electrically commutated motor and a draft inducer blower fan. The motor includes a stator, a rotor, a motor cooling fan, and a controller. The rotor being rotatable relative to the stator, the fan being operatively coupled to the rotor such that rotation of the rotor causes rotation of the fan, the controller being configured to selectively operate the motor in first and second different torque ranges of the rotor, with the first and second torque range operating within a fixed percentage and within a fixed percentage of each other. The controller being configured such during normal operation, the motor is not operable at any torques between the first torque range and the second torque range except during transitionary periods. | 04-16-2015 |
20150147208 | AIR COMPRESSOR - The air compressor contains a casing member, a driving member, and a cylinder member. The casing member has a first accommodation section, a second accommodation section, and a connection section connecting the first and second accommodation sections. The first accommodation section has a number of first inlets and first outlets. The driving member is located between the first and second accommodation sections, and is adjacent to the first outlets. The cylinder member is located both in the second accommodation section and the connection section, and is adjacent to the second outlets. The outside cool air is drawn into the casing member through the first inlets. A portion of the drawn air is released through the first outlets, forming a first flow path for cooling down the driving member. Another portion is released through the second outlets, forming a second flow path for cooling down the cylinder member. | 05-28-2015 |
20150322966 | COOLING ARRANGEMENT OF A PUMP INTENDED FOR PUMPING A LIQUID - A pump for pumping liquid, the pump including a drive unit and a heat sink arranged to carry off heat that is generated in the drive unit, the drive unit including a motor compartment that in the radial direction is delimited by a motor casing and that accommodates an electric motor having a stator, a coupling compartment that at least partly is delimited by a pump top casing and that accommodates a power supply component, an upper partition that is arranged between the motor compartment and the coupling compartment. The motor casing includes an outer jacket that is connected to and that in the axial direction extends between the upper partition and the heat sink, an inner stator housing that extends between the stator and the heat sink, and a gas filled gap that in the radial direction separates the outer jacket and the inner stator housing. | 11-12-2015 |
20150329191 | COOLING ARRANGEMENT FOR A PROPULSION UNIT - A propulsion unit is disclosed with a hollow strut having an upper portion with an upper end portion passing through a passage (P | 11-19-2015 |
20150340929 | MOTOR, PUMP, AND METHOD FOR MANUFACTURING MOTOR - The motor includes a molded stator; a cooling fan that is assembled to an end part of a shaft projecting from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box that is provided on the molded stator; and a foot plate that is provided on the molded stator. On an end face of the molded stator in an axial direction, a plurality of holes, each protruding from the end face, are formed; and a plurality of projections, each formed in positions opposite to a hole and press-fitted into its respective hole, are formed in the fan cover. | 11-26-2015 |
20160123348 | Heat Dissipation Structure of Fan Drive of Air Conditioner Outdoor Unit, and Air Conditioner Outdoor Unit - A heat dissipation structure of a fan drive of an air conditioner outdoor unit, and an air conditioner outdoor unit are provided. A side plate of the air conditioner outdoor unit is disposed between a side plate of the fan drive and a baffle plate, and the side plate of the air conditioner outdoor unit clings to the side plate of the fan drive; a first air vent communicating with the outside of the air conditioner outdoor unit is provided on the side plate of the air conditioner outdoor unit; and a second air vent is provided on the baffle plate, the first air vent and the second air vent form an air duct between the side plate of the air conditioner outdoor unit and the baffle plate, and the second air vent enables the first air vent to communicate with an inner chamber of the air conditioner outdoor unite. | 05-05-2016 |
20190149002 | SLIM-TYPE STATOR, AND SINGLE PHASE MOTOR AND COOLING FAN USING SAME | 05-16-2019 |