US3734697A - Pump impeller making - Google Patents

Pump impeller making Download PDF

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Publication number
US3734697A
US3734697A US00054441A US3734697DA US3734697A US 3734697 A US3734697 A US 3734697A US 00054441 A US00054441 A US 00054441A US 3734697D A US3734697D A US 3734697DA US 3734697 A US3734697 A US 3734697A
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United States
Prior art keywords
hub
disc
impeller
reduced diameter
making
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Expired - Lifetime
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US00054441A
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L Sieghartner
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ROTH CO ROY E
ROY E ROTH CO US
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ROTH CO ROY E
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/064Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
    • F16D1/072Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00Connecting metal parts or objects by metal-working techniques, not covered wholly by either B21J or B23K
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D23/00Other rotary non-positive-displacement pumps
    • F04D23/008Regenerative pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/188Rotors specially for regenerative pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/20Mounting rotors on shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D5/00Pumps with circumferential or transverse flow
    • F04D5/002Regenerative pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/17Toothed wheels
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49316Impeller making
    • Y10T29/4932Turbomachine making
    • Y10T29/49325Shaping integrally bladed rotor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49833Punching, piercing or reaming part by surface of second part
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49833Punching, piercing or reaming part by surface of second part
    • Y10T29/49835Punching, piercing or reaming part by surface of second part with shaping
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49915Overedge assembling of seated part
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49945Assembling or joining by driven force fit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7026Longitudinally splined or fluted rod
    • Y10T403/7033Longitudinally splined or fluted rod including a lock or retainer

Abstract

The process of making an impeller for use in a pump by affixing a disc having blades formed about its outer periphery onto the reduced diameter portion of a hub. A plurality of longitudinal grooves is formed lengthwise into the reduced diameter hub portion and then pressed into a circular bore formed in the center of the impeller disc. The assembly is then placed in a press to swage the outer annular edge of the reduced diameter hub portion into a chafer provided around the circular bore of the disc to thereby solidly hold the disk against the shoulder on the hub.

Description

y 22, 1973 1.. J. SIEGHARTNER 3,734,697
PUMP IMPELLER MAKING Filed July 13, 1970 2 j w m M w fl 2 a. 1 m 3 m a. w NW g fwd w w United States Patent O US. Cl. 29156.8 R 3 Claims ABSTRACT OF THE DISCLOSURE The process of making an impeller for use in a pump by affixing a disc having blades formed about its outer periphery onto the reduced diameter portion of a hub. A plurality of longitudinal grooves is formed lengthwise into the reduced diameter hub portion and then pressed into a circular bore formed in the center of the impeller disc. The assembly is then placed in a press to swage the outer annular edge of the reduced diameter hub portion into a chamfer provided around the circular bore of the disc to thereby solidly hold the disc against the shoulder on the hub.
BACKGROUND OF THE INVENTION This invention relates to a pump impeller design and in particular, relates to a method of making a pump impeller.
In order to meet the varied capacity and head requirements for regenerative turbine pumps, it is necessary to have a multitude of impeller diameters and thicknesses to accommodate a series of pumps. Also, in the design of different pumps mechanical considerations dictate that the hubs be of different sizes even though the impeller disc portions have identical dimensions. Using current techniques of making pump impellers, it requires the machining and stocking of a large inventory of impellers of various sizes. This invention avoids the necessity of maintaining such a large inventory by providing a method of mounting different size discs having peripheral impeller blades onto different size hubs in a quick operation.
SUMMARY OF THE INVENTION This invention provides a method for affixing a disc having impeller blades formed about its periphery onto a hub in a fast and economical manner. Prior to mounting the impeller disc on the hub, a straight coarse knurl is cut into the reduced diameter portion of the hub, and a chamfer is cut around both ends of the circular center bore of the impeller disc. To mount the impeller disc on the hub, the knurled section of the hubs reduced diameter portion is pressed into the center bore of the impeller disc and the outer annular edge of the reduced hub portion is swaged into the adjacent chamfer to hold the disc solidly against the shoulder on the hub.
DESCRIPTION OF DRAWING FIG. 1 illustrates a disc having turbine blades formed about its periphery and an impeller hub in an unassembled relation;
FIG. 2 illustrates the step of pressing the knurled section of the hub into the center opening of the disc;
FIG. 3 is a sectional view taken along the line 33 of FIG. 2 and looking in the direction of the arrows;
FIG. 4 illustrates the step of swaging the end of the hub to lock the disc in place; and
FIG. 5 is an end view taken from the left end of FIG. 4.
DESCRIPTION OF PREFERRED EMBODIMENT Referring to FIG. 1, there is illustrated a disc having a plurality of turbine pockets 12 formed about its peripheral edge, and a hub 14 having a reduced diameter 3,734,697 Patented May 22, 1973 portion 16. The disc 10 has a center opening 18 provided with a chamfer 20 formed in both surfaces of disc 10.
The hub 14 is made as an automatic screw machine product. A plurality of longitudinal grooves 22 are cut into the reduced diameter portion 16 adjacent the shoulder 24 to provide a straight coarse knurl section 26. The outer annular end 28 of reduced diameter portion 16 is machined to the depth of grooves 22.
To mount the disc 10 onto the hub 14, the knurled section 26 is pressed into the center opening 18 to cut corresponding grooves 30 in the disc internal diameter, as depicted in FIG. 5, until the inward side of disc 10 abuts against shoulder 24. The result of this pressing step is to provide a good driving bond between the impeller disc 10 and the hub 12, which is as effective as a key or spline without causing an excessive interference fit that would distort the disc 10.
The assembly depicted in FIG. 2 is then placed in a press to swage (FIG. 4) the outer annular edge 28 of hub reduced portion 16 into the chamfer 20 for the purpose of holding the disc 10 rigidly against the shoulder 24 on the hub 14. The die for this swaging operation is a specially designed concentric ring to control the concentricity of the swaged portions 34 with the hub 14. The die I.D. is controlled so that all the metal displaced goes against the impeller disc 10 and not into the bore of the hub, as would be the case if the end 28 of hub 14 were swaged with a fiat die over its entire end area.
After swaging the resulting composite impeller 36 is put through normal finishing operations to bring it to exact size, FIG. 5 depicts the finished composite impeller mounted on a shaft 40 and fixed thereto by a spline or key 42.
From the foregoing description, it will become apparent that making an impeller by mounting an impeller disc on a hub in accordance with the principles of this invention provides the following advantages:
(1) More flexible inventory.
(2) More simple machine operations.
(3) Ability to make parts in volume using an automatic screw machine which formerly were made in lower quantities by a more expensive chucking machine operation.
While there has been shown and described a preferred embodiment of the present invention, it will be understood by those skilled in the art that various rearrangements and modifications may be made therein Without departing from the spirit and scope of the invention. Although in the description of invention a turbine impeller was used, obviously the method of this invention could be practiced to form any type of impeller, for example, a centrifugal impeller.
What is claimed is:
1. Method of making a pump impeller by afiixing a disc with peripheral blades onto the reduced diameter end portion of a hub, where the diameter of said reduced diameter end portion is slightly greater than a circular bore formed in the center of said impeller disc, comprising the steps of:
(a) forming a chamfer into said disc about one end of said circular bore,
(b) forming a plurality of longitudinal grooves about said reduced hub portion in a lengthwise direction to define a plurality of lengthwise parallel ridges,
(c) pressing said reduced hub portion into the end of said circular bore of said impeller disc opposite to said chamfer to cause said parallel ridges to cut grooves into said impeller disc, and
(d) swaging the outer annular edge of said reduced hub portion into said chamfer to press said impeller disc against the shoulder on said hub defined by the 1 3 4 innerend of said reduced hub portion by using a 1,112,525 10/1914 Darling 29-432 UX concentric ring die to prevent the displacement of 1,988,595 1/ 1935 Hiss 29-156.8 R any metal into the bore of said hub. 2,162,902 6/1939 Adams 29-156.8 R 2. The method of claim 1 wherein said swaging step is 2,750,660 6/1956 Newcomb 29-432 performed around the entire periphery of said outer an- 5 nular edge of said reduced hub portion. I OTHER REFERENCES 3. Themethod of claim 1 wherein said charnfer iforming 15 Ways to Fasten Gears to Sh ft Product Engi step comprises forming a chamfer into said impeller disc nearing, 4 May 30 19 0 about both ends of said circular bore.
10 RICHARD J. HERBST, Primary Examiner D. C. REILLY III, Assistant Examiner References Cited UNITED STATES PATENTS 2,119,334 5/1938 Leffler 29 432 UX US. Cl. X.R. 1,415,542 5/1922 Fuegel et a1 29 522 UX 2 1,157,666 10/1915 Bennett 29 432 X 15 9 156's 156's 525
US00054441A 1970-07-13 1970-07-13 Pump impeller making Expired - Lifetime US3734697A (en)

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CA (1) CA945349A (en)
DE (1) DE2134988A1 (en)
ES (1) ES393197A1 (en)
FR (1) FR2101576A5 (en)
GB (1) GB1304143A (en)
NL (1) NL7109512A (en)
SE (1) SE371256B (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872578A (en) * 1974-05-06 1975-03-25 Cyclone Seeder Company Inc Method of connecting a rotating member to a shaft
US3961864A (en) * 1972-11-23 1976-06-08 Papst-Motoren Kg Radial flow fan
US4092773A (en) * 1975-09-08 1978-06-06 Donahue Carroll F Method for forming a clevis
US4110051A (en) * 1976-06-03 1978-08-29 Press- Und Stanzwerk Ag Apparatus for producing a non-releasable connection and non-releasable connection produced with such apparatus
EP0013448A2 (en) * 1979-01-04 1980-07-23 Task Power and Control Limited Improvements in or relating to cylindrical bodies having fixed collars
US4245960A (en) * 1978-09-05 1981-01-20 Air Drive, Inc. Connecting structure for a hub and fan blade
US4489468A (en) * 1982-06-24 1984-12-25 Elliott Turbomachinery Co., Inc. Method of providing a multivalve turbine nozzle ring interface seal
US4795924A (en) * 1986-09-24 1989-01-03 Mitsuba Electric Manufacturing Co. Ltd. Magneto bowl-shaped rotor
US4850802A (en) * 1983-04-21 1989-07-25 Allied-Signal Inc. Composite compressor wheel for turbochargers
US4891876A (en) * 1988-03-01 1990-01-09 Concentric Pumps Limited Method of making pump impeller by lost-foam molding
US4903810A (en) * 1983-09-22 1990-02-27 Dyneer Corporation Clutch shoe construction and method of making same
US5407318A (en) * 1992-12-08 1995-04-18 Nippondenso Co., Ltd. Regenerative pump and method of manufacturing impeller
EP0821093A2 (en) * 1996-07-22 1998-01-28 Philco Italia S.P.A. Process for assembling a shaft and a flange for the support of a rotating basket of a washing machine, and assembly thus obtained
US5855444A (en) * 1993-06-01 1999-01-05 Ab Volvo Device for centering a rotational unit
US6076247A (en) * 1998-08-17 2000-06-20 Dana Corporation Method of connecting a ball and socket joint to a control arm in a vehicle suspension system
EP1072339A2 (en) * 1999-05-27 2001-01-31 Aida Engineering Co., Ltd. A method of moulding a blank into a moulded component
WO2003071137A1 (en) * 2002-02-25 2003-08-28 Rietschle Thomas Gmbh + Co. Kg Lateral channel compressor and device for machining a flange on a drive motor for a lateral channel compressor
US20040009836A1 (en) * 2000-06-16 2004-01-15 Dix Harvey J. High torque retention joint in a tensioner
US20050039318A1 (en) * 2002-02-18 2005-02-24 Thomas Feis Method for connecting an aluminum die-cast part to another part
US20050097721A1 (en) * 2003-11-06 2005-05-12 Bratek Daniel J. High pressure sensor with knurl press-fit assembly
EP1498218A3 (en) * 2003-07-17 2005-07-13 DGS Druckguss Systeme AG Method of manufacturing a functional part of lightweight construction
WO2006119401A2 (en) * 2005-05-03 2006-11-09 Whitesell International Corporation Splined fastener
WO2006136252A1 (en) * 2005-06-20 2006-12-28 Thyssenkrupp Automotive Ag Assembled camshaft
WO2013164147A1 (en) * 2012-05-02 2013-11-07 Robert Bosch Gmbh Method for connecting a shaft to a rotary component and turbocharger shaft produced by said method
US8844403B2 (en) 2009-03-25 2014-09-30 Audi Ag Shaft-hub connection

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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IT1143234B (en) * 1981-08-27 1986-10-22 Istituto Poligrafico & Zecca D Bimetallic composite round for coins, medals and the like
US4631973A (en) * 1983-03-09 1986-12-30 Dana Corporation Axial retention of gear on shaft
FR2580349B1 (en) * 1985-04-16 1989-11-10 Renault MECHANICAL PART WITH TWO INTEGRATED ELEMENTS
JP2800828B2 (en) * 1988-02-29 1998-09-21 富士機工株式会社 Method of manufacturing shaft / yoke joint
FR2655096B1 (en) * 1989-11-28 1992-02-07 Valeo Process for the assembly of two parts and assembly of two parts so assembled.
FR2655095B1 (en) * 1989-11-28 1992-02-07 Valeo Process for the assembly of two parts and assembly of two parts so assembled.
DE4121951C1 (en) * 1991-07-03 1992-12-24 Supervis Ets
JP2606328Y2 (en) * 1993-04-19 2000-10-23 株式会社三協精機製作所 Resin gear with metal shaft
DE4338475A1 (en) * 1993-11-10 1995-05-11 Bmw Rolls Royce Gmbh Shaft/hub connection with a light-alloy hub
DE19608983A1 (en) 1995-03-17 1996-09-19 Volkswagen Ag Camshaft for motor vehicle IC-engine
DE10244788B4 (en) * 2002-09-26 2016-04-07 Robert Bosch Gmbh Shaft-component fixation, as well as method for fixing a component on a shaft
FR2910940B1 (en) * 2006-12-20 2009-02-13 Valeo Equip Electr Moteur OUTPUT PULSE LAUNCHER FOR THERMAL MOTOR STARTER AND STARTER COMPRISING SUCH A LAUNCHER
DE102009005315A1 (en) 2009-01-16 2010-07-22 Thyssenkrupp Presta Ag Method for axial fixing of antifriction bearing in bearing seat on shaft or in housing, involves penetrating nut in axial direction beside bearing seat
EP3222384A1 (en) * 2016-03-24 2017-09-27 General Electric Technology GmbH Operation mechanism for an electrical breaker comprising a crankshaft including a broaching splined shaft and a hub assembled together in force

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961864A (en) * 1972-11-23 1976-06-08 Papst-Motoren Kg Radial flow fan
US3872578A (en) * 1974-05-06 1975-03-25 Cyclone Seeder Company Inc Method of connecting a rotating member to a shaft
US4092773A (en) * 1975-09-08 1978-06-06 Donahue Carroll F Method for forming a clevis
US4110051A (en) * 1976-06-03 1978-08-29 Press- Und Stanzwerk Ag Apparatus for producing a non-releasable connection and non-releasable connection produced with such apparatus
US4245960A (en) * 1978-09-05 1981-01-20 Air Drive, Inc. Connecting structure for a hub and fan blade
EP0013448A2 (en) * 1979-01-04 1980-07-23 Task Power and Control Limited Improvements in or relating to cylindrical bodies having fixed collars
EP0013448A3 (en) * 1979-01-04 1980-08-20 Task Power and Control Limited Improvements in or relating to cylindrical bodies having fixed collars
US4489468A (en) * 1982-06-24 1984-12-25 Elliott Turbomachinery Co., Inc. Method of providing a multivalve turbine nozzle ring interface seal
US4850802A (en) * 1983-04-21 1989-07-25 Allied-Signal Inc. Composite compressor wheel for turbochargers
US4903810A (en) * 1983-09-22 1990-02-27 Dyneer Corporation Clutch shoe construction and method of making same
US4795924A (en) * 1986-09-24 1989-01-03 Mitsuba Electric Manufacturing Co. Ltd. Magneto bowl-shaped rotor
US4891876A (en) * 1988-03-01 1990-01-09 Concentric Pumps Limited Method of making pump impeller by lost-foam molding
US5407318A (en) * 1992-12-08 1995-04-18 Nippondenso Co., Ltd. Regenerative pump and method of manufacturing impeller
US5855444A (en) * 1993-06-01 1999-01-05 Ab Volvo Device for centering a rotational unit
EP0821093A2 (en) * 1996-07-22 1998-01-28 Philco Italia S.P.A. Process for assembling a shaft and a flange for the support of a rotating basket of a washing machine, and assembly thus obtained
EP0821093A3 (en) * 1996-07-22 1998-09-09 Philco Italia S.P.A. Process for assembling a shaft and a flange for the support of a rotating basket of a washing machine, and assembly thus obtained
US6076247A (en) * 1998-08-17 2000-06-20 Dana Corporation Method of connecting a ball and socket joint to a control arm in a vehicle suspension system
EP1072339A3 (en) * 1999-05-27 2002-05-15 Aida Engineering Co., Ltd. A method of moulding a blank into a moulded component
EP1072339A2 (en) * 1999-05-27 2001-01-31 Aida Engineering Co., Ltd. A method of moulding a blank into a moulded component
US7140992B2 (en) * 2000-06-16 2006-11-28 Litens Automotive Partnership High torque retention joint in a tensioner
US20040009836A1 (en) * 2000-06-16 2004-01-15 Dix Harvey J. High torque retention joint in a tensioner
USRE44204E1 (en) * 2000-06-16 2013-05-07 Litens Automotive Partnership High torque retention joint in a tensioner
US20050039318A1 (en) * 2002-02-18 2005-02-24 Thomas Feis Method for connecting an aluminum die-cast part to another part
WO2003071137A1 (en) * 2002-02-25 2003-08-28 Rietschle Thomas Gmbh + Co. Kg Lateral channel compressor and device for machining a flange on a drive motor for a lateral channel compressor
EP1498218A3 (en) * 2003-07-17 2005-07-13 DGS Druckguss Systeme AG Method of manufacturing a functional part of lightweight construction
US20050097721A1 (en) * 2003-11-06 2005-05-12 Bratek Daniel J. High pressure sensor with knurl press-fit assembly
WO2006119401A2 (en) * 2005-05-03 2006-11-09 Whitesell International Corporation Splined fastener
WO2006119401A3 (en) * 2005-05-03 2007-04-12 Whitesell Int Corp Splined fastener
WO2006136252A1 (en) * 2005-06-20 2006-12-28 Thyssenkrupp Automotive Ag Assembled camshaft
US20100224145A1 (en) * 2005-06-20 2010-09-09 Thyssenkrupp Automotive Ag Built-Up Camshaft
US8402650B2 (en) 2005-06-20 2013-03-26 Thyssenkrupp Presta Teccenter Ag Built-up camshaft
EP1741945A1 (en) * 2005-06-20 2007-01-10 Thyssenkrupp Automotive AG Assembled camshaft
US8844403B2 (en) 2009-03-25 2014-09-30 Audi Ag Shaft-hub connection
WO2013164147A1 (en) * 2012-05-02 2013-11-07 Robert Bosch Gmbh Method for connecting a shaft to a rotary component and turbocharger shaft produced by said method

Also Published As

Publication number Publication date
BE769780A1 (en)
SE371256B (en) 1974-11-11
DE2134988A1 (en) 1972-01-20
BE769780A (en) 1971-11-16
ES393197A1 (en) 1974-12-16
NL7109512A (en) 1972-01-17
GB1304143A (en) 1973-01-24
FR2101576A5 (en) 1972-03-31
CA945349A1 (en)
CA945349A (en) 1974-04-16

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