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Impeller

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


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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 ...
Arrangement of an impeller wheel on an electric motor and method for producing the same
Ziehl-abegg Se
August 17, 2017 - N°20170234322

An arrangement of an impeller (1) on an electrical motor, in particular on an external rotor motor (8), whereby the torque of the motor is transferred to the impeller (1) by means of a torsion-proof connection between the rotor (8) of the motor and the impeller (1) and/or its impeller hub (3), is characterised in that the connection of the impeller (1) to the motor (8) results ...
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 ...
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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 ...
Power transfer device
Aisin Aw Co., Ltd.
May 19, 2016 - N°20160138692

A front support includes a second boss portion which extends toward a chain drive mechanism and to which a stator shaft is fixed. The second boss portion is inserted into a tubular portion of an impeller hub through a drive sprocket. An oil passage that communicates with a fluid transmission chamber is defined between the inner peripheral surface of the ...
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 ...
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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
Nuovo Pignone Srl
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 ...
Centrifugal compressor
Mitsubishi Heavy Industries Compressor Corporation
December 18, 2014 - N°20140369823

A centrifugal compressor for which θ−α>0° and 0°<θ<34°, when the angle formed by a diffuser inlet hub-side line (5a) and the radial direction at a point b in the meridian plane is θ, and the angle formed by a tangent line (3b) and the radial ...
Torque converter
Mitsubishi Heavy Industries Compressor Corporation
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 ...
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Multiphase pumping system
Mitsubishi Heavy Industries Compressor Corporation
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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