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Impeller

Impeller-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Fan with integral acoustic treatment
Xcelaero Corporation
November 23, 2017 - N°20170335852

A fan comprises a fan housing which includes a shroud having an upstream end that defines an inlet of the fan housing, a motor which is connected to the fan housing, and an impeller which is connected to the motor. The impeller includes an impeller hub and a number of impeller blades which extend radially outwardly from the impeller hub. ...
Impeller-mounted vortex spoiler
General Electric Company
November 16, 2017 - N°20170328283

The present disclosure is directed to a system for bleeding air from a compressed gas path of a gas turbine engine. The system includes an impeller positioned at a downstream end of a compressor in the gas turbine engine. The impeller includes an impeller hub, an impeller arm coupled to the impeller hub, and a plurality of circumferentially spaced apart ...
Arrangement of an impeller on a rotating part and method for producing the arrangement
Ziehl-abegg Se
November 09, 2017 - N°20170321706

An arrangement of an impeller (3) on a rotating part, preferably on an electric motor (1), in particular on an external rotor motor, wherein the torque of the motor (1) is transmitted to the impeller (3) by a rotationally secure connection between the rotor (2) of the motor (1) and the impeller (3) or its impeller hub (4), and wherein the connection is created by means of a ...
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Impeller hub thrust bushing
Schaeffler Technologies Ag & Co. Kg
September 08, 2016 - N°20160258520

A torque converter is provided. The torque converter includes an impeller including an impeller shell and an impeller hub. The impeller hub extends axially parallel to a center axis of the torque converter. The torque converter also includes a stator adjacent to the impeller and an l-shaped bushing including an axially extending section and a radially extending section. The axially ...
Non-metallic vertical turbine pump
Mpc Inc.
August 18, 2016 - N°20160237830

A non-metallic vertical turbine pump and a method of manufacturing same are provided. In accordance with one embodiment, the vertical turbine pump can include a motor, and a drive shaft coupled to the motor for rotation, a casing with a mixed flow diffuser including a diffuser hub and diffuser vanes that project out from the diffuser hub, and a mixed ...
Electric hairdryer with a motor protecting device
Elchim S.p.a.
July 21, 2016 - N°20160206073

An electric hairdryer comprises an electric motor, having an electric motor shaft, on which an air fan is assembled, said hairdryer comprising moreover an electric motor protecting device including a tapering body arranged between the electric motor and the air fan, and so designed as to hold therein an electric fan impeller hub, at a base portion of said electric ...
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Impeller Patent Applications
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Method of forming a torque converter impeller including machining a weld root
Schaeffler Technologies Gmbh & Co. Kg
May 12, 2016 - N°20160131238

A method of forming an impeller for a torque converter is provided. The method includes providing an impeller shell including a back axial surface for facing away from an interior of the torque converter, providing an impeller hub including an outer circumferential surface and forming a weld joining the impeller shell and the impeller hub. The weld is contiguous with ...
Compressor and turbocharger
Cummins Ltd.
April 07, 2016 - N°20160097297

A compressor comprising a housing having an axial intake and an annular outlet volute, an impeller mounted for rotation about a shaft axis, the impeller having a plurality of blades, an annular diffuser passage surrounding the impeller extending from a diffuser inlet to a diffuser outlet, the impeller hub being mounted in an annular impeller recess in a first wall ...
Wet gas compressor and method
Nuovo Pignone Srl
November 12, 2015 - N°20150322952

A centrifugal compressor for processing a wet gas. The centrifugal compressor includes: a casing; and least one compressor stage comprising at least one impeller rotatingly arranged in the casing and provided with an impeller hub and a plurality of impeller blades, each impeller blade having a suction side and a pressure side. The at least one compressor stage comprises at ...
Centrifugal pump in particular for waste water or polluted water
October 15, 2015 - N°20150292519

The invention relates to a centrifugal pump, in particular a waste water submersible pump having an impeller (1), of which the end face facing the pump intake opening is open and only the end face of the impeller facing away from the intake opening (8) is covered by a circular coaxial impeller hub (2), on which the curved vanes (3, 4) are fastened, and in ...
Method to reduce entrance losses to increase fan inlet flow and reduce acoustic noise
Apple Inc.
September 17, 2015 - N°20150260198

A cooling system for optimizing fan air flow performance without compromising acoustic performance is disclosed. At least three fan feature embodiments are disclosed: (1) sloped fan blades, (2) sloped impeller hubs, and (3) inlet flow guidance features. For the first embodiment, fan blades attached to an impeller disc and having leading edges that progressively curve toward a center of the impeller disc. For ...
Turbine rotor for an exhaust-gas turbine and method for producing the turbine rotor
Continental Automotive Gmbh
April 16, 2015 - N°20150104318

A turbine rotor as a turbine impeller made of a high-temperature-resistant metal alloy and a rotor shaft made of steel. The impeller hub and the rotor shaft end are connected together in a metallurgically bonded manner by way of a brazed connection. Between the end faces of the impeller hub and of the rotor shaft end, a brazing gap filled ...
Torque converter impeller including impeller shell having thinned section
Schaeffler Technologies Gmbh & Co. Kg
March 12, 2015 - N°20150071789

An impeller for a torque converter is provided. The impeller includes an impeller shell including an inner circumference, an outer circumference and a radial extension extending radially outward from the inner circumference. The radial extension includes an axially extending groove formed therein. The impeller also includes an impeller hub welded to the impeller shell by a weld. The weld is ...
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Impeller Patent Applications
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Torque converter
November 20, 2014 - N°20140339042

A torque converter includes a front cover, an impeller, a turbine and a stator. The impeller includes an impeller shell coupled to the front cover, a plurality of impeller blades disposed inside the impeller shell, and an impeller hub. The impeller hub is formed in an axially extending tubular shape, while being fixed at an engine-side end part thereof to ...
Autogenously welded impeller of a torque converter
August 28, 2014 - N°20140241898

A torque converter impeller is provided. The torque converter impeller includes an impeller shell and an impeller hub. The impeller shell and impeller hub are autogenously welded together such that the weld has a concave shape. A method of forming a torque converter impeller is also provided.
Multiphase pumping system
June 26, 2014 - N°20140178190

A centrifugal pump has a gas accumulation reduction system to reduce the risk of gas locking caused by the accumulation of gas at the inlet of the impeller. The gas accumulation reduction system includes: (i) one or more diffuser ports extending through the hub of a diffuser; and (ii) one or more recirculation passages extending through the hub of an ...
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