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Class 417/369 - Pump fluid directed to motor via downstream branched flow path


Subclass of Class 417 - Pumps
Definition: Apparatus in which there is provided a divided flow path
No. of patents: 82
Last issue date: 10/26/2010


1      
NumberTitleIssue Date
7819640Pump with an integrated motor
A pump is provided with an integrated, electronically commutated wet running engine. The pump contains a single-component pump chamber containing a rotor of the wet running engine. The pump allows the pump chamber to be continuously cleaned during the pumping proces...
10/26/2010
7347674Pump
A fluid pump of the type in which a housing assembly has a first sub-housing having an electric motor therein which is in line with a second sub-housing having the impeller therein, with the motor having a rotor shaft which extends through a seal of the first sub-ho...
03/25/2008
7341436Open face cooling system for submersible motor
An open face cooling system for a motorized, impeller-type, submersible pump operated in a host fluid ladened with solids, comprising an inlet in the pump housing close to the impeller and away from the axis of the pump into which fluid is forced by pump pressure, t...
03/11/2008
7300263Pump
In a pump conveying a supercritical fluid or a liquid are provided stator slots and motor mold members which are charged between the stator slots, so as to have a stator can of a motor driving the pump from the outside thereof. Additionally, by providing a main shaf...
11/27/2007
7299873Method for pumping fluids
The production rate, useful life and operating efficiency of electric submergible pumping systems (ESP) is improved by operating the system so that the motor (220, 320) is cooled by two passes of production. Production fluids remove waste heat from the motor ...
11/27/2007
7281908Electrically powered blower with improved heat dissipation
An electrically powered blower configured to be capable of fully cooling its motor and of efficiently cooling a power element in a drive circuit without involving such need as of increasing the size of a fin of a separate heat radiator, contributing to miniaturizati...
10/16/2007
7270941Method of passivating of low dielectric materials in wafer processing
A method of passivating silicon-oxide based low-k materials using a supercritical carbon dioxide passivating solution comprising a silylating agent is disclosed. The silylating agent is preferably an organosilicon compound comprising organo-groups with five carbon a...
09/18/2007
7267524Fuel pump having single sided impeller
A fuel pump is provided having improved efficiency by lowering the wet circle index of the pump while maintaining robust axial clearances to meet the demands of an automotive application. One embodiment includes a fuel pump for pressurizing fuel for delivery to an e...
09/11/2007
7244111Compressor apparatus and method for the operation of the same
The compressor apparatus comprises a radial compressor (35) for the compression of a gas and also an electric motor (31) for driving the radial compressor (35), wherein the radial compressor (35) and the electric motor (31) are arr...
07/17/2007
7239056Low speed canned motor
A canned motor has an L3/D4 ratio of less than 50, with one bearing on one end of the rotor assembly configured to resist longitudinal displacement of the rotor as by an axial shaft load, and another bearing on the other end of the rotor assemb...
07/03/2007
7229257Horizontal type compressor
A horizontal type compressor comprising: a differential pressure plate for dividing an inside of a casing into a high pressure chamber and a lower pressure chamber and thus maintaining an oil level of the high pressure chamber to be higher than that of the lower pre...
06/12/2007
7208411Method of depositing metal film and metal deposition cluster tool including supercritical drying/cleaning module
A method of depositing a metal film on a substrate includes a supercritical preclean step, a supercritical desorb step, and a metal deposition step. Preferably, the preclean step comprises maintaining supercritical carbon dioxide and a chelating agent in contact wit...
04/24/2007
7168926Axial flow pump and fluid circulating apparatus
An axial flow pump comprising a inner wall disposed in contact with the inside of a stator having winding, a rotor disposed inside the inner wall and adapted to be rotated upon energization of the winding, an axial flow blade formed on an outer periphery of the roto...
01/30/2007
7163380Control of fluid flow in the processing of an object with a fluid
An apparatus for and methods of control of a fluid flow. In a system for supercritical processing of an object, the apparatus includes a measuring device for measuring a pump performance parameter and a controller for adjusting a fluid flow in response to the perfor...
01/16/2007
7137794Liquid pump
A fluid pump, in particular a water pump, has a pump housing (11) that surrounds a pump wheel and a motor housing, connected to the pump housing, in which an electric motor (21) driving the pump wheel is received along with a stator (22) and rot...
11/21/2006
7132772Electric fan for vehicle use
The cooling air introducing port 24 is open to a lower portion of an axial direction end portion of the motor housing member 11, 12, the water-proof cover 25 for covering the cooling air introducing port 24 is attached to the outside of t...
11/07/2006
7128540Refrigeration system having a rotary compressor
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engag...
10/31/2006
7118355Electric motor driven blower assembly with integral motor cooling duct
An electric motor driven blower assembly provides for a complete air cooling duct running from the inside of the blower housing to the motor at the back of the housing. A vertical cooling tube on the scroll housing is mated to an open, moldable trough in the motor c...
10/10/2006
7064070Removal of CMP and post-CMP residue from semiconductors using supercritical carbon dioxide process
A method of post chemical mechanical polishing (CMP) cleaning to remove a CMP residue from a surface of an object is disclosed. The object is placed within a pressure chamber. The pressure chamber is pressurized. A supercritical carbon dioxide process is performed t...
06/20/2006
7011506Blower unit for air conditioner
A blower unit for an air conditioner includes a case accommodating a blower wheel and a blower motor driving the blower wheel, a cover coupled to one side of a lower portion of the case to form a cooling path so that some of cooling air blown by the blower wheel is ...
03/14/2006
7008174Fuel pump having single sided impeller
A fuel pump is provided having improved efficiency by lowering the wet circle index of the pump while maintaining robust axial clearances to meet the demands of an automotive application. One embodiment includes a fuel pump for pressurizing fuel for delivery to an e...
03/07/2006
7004732Fan shroud assembly
The fan shroud assembly includes: a rectangular-shaped plenum having a first plenum portion of a larger side and a second plenum portion of a smaller side, which are mounted eccentrically; a fan shroud formed on an air discharge side of the plenum and having a airfl...
02/28/2006
6884043Fluid circulation path for motor pump
A fluid pump includes a pump head having an inlet for receiving fluid at a first pressure and an outlet for outputting fluid at a second pressure greater than the first pressure. Pressurized fluid is directed through a first passage to the outlet without the pressur...
04/26/2005
6863509Split seal plate with integral brush seal
A segmented seal plate supporting a brush seal mounted in the space between the compressor and turbine and bearing against the shaft of a microturbine engine form a barrier in this cavity and serves to control flow in this space. A plurality of circumferentially spa...
03/08/2005
6802699Motor mounting structure
A ring-like rib 19 is erected on an inner circumferential edge of an insertion hole 11, which is opened in the scroll casing 1 so that the fan f is inserted therethrough, while a side wall 18 facing the ring-like rib 19 is provided...
10/12/2004
6634870Hermetic compressor having improved motor cooling
A hermetic refrigerant compressor including a compressor mechanism and a motor including a stator surrounded by a rotor attached to a crankshaft drivingly linked to the compressor mechanism. A first gap is formed between the rotor and stator, and a second...
10/21/2003
6558143Scroll compressors
Scroll compressors may include a stationary scroll, a drive shaft, a crank shaft coupled to the drive shaft, a bearing member coupled to the crank shaft and a movable scroll coupled to the crank shaft. The movable scroll is typically disposed adjacent to ...
05/06/2003
6524082Electric compressor
An electric compressor includes a compression mechanism, an electric motor and a housing. The compression mechanism draws, compresses and discharges refrigerant gas. The electric motor drives the compression mechanism. The housing accommodates the compres...
02/25/2003
6506036Scroll compressors
Scroll compressors may preferably include a stationary scroll, a drive shaft, a crank shaft coupled to the drive shaft and a bush coupled to the outer surface of the crank shaft. A seal is preferably disposed between the bush and the crank shaft and the s...
01/14/2003
6506034Liquid pump with a claw pole stator
A fluid pump, in particular for the coolant and heating system of a motor vehicle, has a stator (21) of claw pole construction and a rotor (6), separated from the stator (21) by a pipe (11), which is immersed in the coolant and forms a vane wheel. The rot...
01/14/2003
6488475Electric 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 for controlling electric power to the motor unit. The circu...
12/03/2002
6464481Scroll compressors
Scroll compressor may include, for example, a stationary scroll, a drive shaft, a crank shaft coupled to the drive shaft, a bush coupled to the outer surface of the crank shaft and a movable scroll coupled to the crank shaft. The movable scroll is prefera...
10/15/2002
6464469Cooling system for electromagnetic bearings of a turbocompressor
A turbocompressor (1) has an electric motor (2), a multistage radial turbocompressor (3) and a common shaft (13). A section of the shaft (13) is formed as the armature (2b) of the electric motor (2) and a further section of the shaft (13) is formed as the...
10/15/2002
6447269Potable water pump
A water-cooled pump motor for delivering potable water in a demand system includes a centrifugal pump including a volute and an impeller in the volute, an electric motor driving the impeller having a hollow rotor shaft, a rotor on the shaft, bearings supp...
09/10/2002
6390789Cooling means for the motor of a turbocompressor
A turbocompressor (1) has an outwardly gas-tight housing (6) within which an electric motor (2) and a multistage radial turbocompressor (3) are arranged on a common shaft (13). For journalling the shaft (13), electromagnetic radial bearings (5) are arrang...
05/21/2002
6293769Canned pump with dry rotor compartment
An electric pump for a liquid has a rotor surrounded by a stator which is disposed in the flow path of the liquid, the rotor being disposed in a rotor compartment, which is sealed from the flow path of the liquid and is predominantly filled with a mixture...
09/25/2001
6158979Device for fixing a motor-fan unit on a motor vehicle element, in particular a heat exchanger
A device for fixing a motor-fan unit to a heat exchanger comprising an inner support forming a housing for fixing the motor casing of the motor-fan unit and having a lateral opening providing a passage for ancillary equipment of the motor, an outer suppor...
12/12/2000
6142748Degas piping for pumps
A method and apparatus for separating entrained gases from a pumped fluid. A degas pipe having an increased inner dimension relative to surrounding process piping is provided to generate a stratified two-phase gas/liquid flow. A controlled release mechani...
11/07/2000
6102672Motor-driven centrifugal air compressor with internal cooling airflow
A motor-driven compressor comprises a motor that is carried by a motor-enclosing housing portion, a compressor wheel that is driven by the motor within a second housing portion forming a pressurized enclosure, and means for providing a flow of cooling air...
08/15/2000
6074181Shroud for fan motor cooling
Cooling means for cooling an electric motor mounted on or adjacent a volute of a centrifugal fan, the cooling means including an opening through the wall of the volute, and a shroud connected to the volute, the shroud including a volute end and a motor en...
06/13/2000
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