WO2012103262A3 - Impeller assembly and method for defining aerodynamic channels - Google Patents

Impeller assembly and method for defining aerodynamic channels Download PDF

Info

Publication number
WO2012103262A3
WO2012103262A3 PCT/US2012/022613 US2012022613W WO2012103262A3 WO 2012103262 A3 WO2012103262 A3 WO 2012103262A3 US 2012022613 W US2012022613 W US 2012022613W WO 2012103262 A3 WO2012103262 A3 WO 2012103262A3
Authority
WO
WIPO (PCT)
Prior art keywords
backplate
rim plate
impeller assembly
blades
aerodynamic channels
Prior art date
Application number
PCT/US2012/022613
Other languages
French (fr)
Other versions
WO2012103262A2 (en
Inventor
Larry David Wydra
Original Assignee
Tennant Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tennant Company filed Critical Tennant Company
Priority to EP12739831A priority Critical patent/EP2539545A2/en
Publication of WO2012103262A2 publication Critical patent/WO2012103262A2/en
Publication of WO2012103262A3 publication Critical patent/WO2012103262A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts

Abstract

An impeller assembly and method of providing a plurality of radially-aligned aerodynamic channels including a rim plate defining a plurality of blades and the backplate defining a blade interlock structure for aligning and coupling the plates together. The rim plate defines a plurality of fluid-engaging blades with the aerodynamic channels being defined between adjacent pairs of the blades. The interlock structure includes a plurality of tine-shaped interlocks extending from the backplate. Each blade of the impeller may engage the interlock structure in a saddle manner. The backplate is defined by areas of reduced thickness allowing outer portions of the backplate to flex (rotate) toward further contact with the rim plate. The impeller assembly is provided with a plurality of aerodynamic channels defined by complex curved surfaces of the back plate and the rim plate to improve efficiency.
PCT/US2012/022613 2011-01-25 2012-01-25 Impeller assembly and method for defining aerodynamic channels WO2012103262A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12739831A EP2539545A2 (en) 2011-01-25 2012-01-25 Impeller assembly and method for defining aerodynamic channels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/013,782 2011-01-25
US13/013,782 US20110182736A1 (en) 2010-01-25 2011-01-25 Impeller Assembly

Publications (2)

Publication Number Publication Date
WO2012103262A2 WO2012103262A2 (en) 2012-08-02
WO2012103262A3 true WO2012103262A3 (en) 2012-12-13

Family

ID=46582455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/022613 WO2012103262A2 (en) 2011-01-25 2012-01-25 Impeller assembly and method for defining aerodynamic channels

Country Status (3)

Country Link
US (1) US20110182736A1 (en)
EP (1) EP2539545A2 (en)
WO (1) WO2012103262A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5998544B2 (en) * 2012-03-13 2016-09-28 アイシン精機株式会社 Impeller manufacturing method and impeller
USD792911S1 (en) * 2014-10-10 2017-07-25 Earthway Products, Inc. Impeller

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465625A (en) * 1943-10-18 1949-03-29 Sulzer Ag Centrifugal compressor
US3510229A (en) * 1968-07-23 1970-05-05 Maytag Co One-way pump
US3743440A (en) * 1969-05-06 1973-07-03 A Moore Rotary, tubular impeller
US7008189B2 (en) * 2003-04-07 2006-03-07 Minebea Co., Ltd. Centrifugal fan
US20080286130A1 (en) * 2007-05-17 2008-11-20 Purvines Stephen H Fan impeller
US20100263373A1 (en) * 2007-11-16 2010-10-21 Borgwarner Inc. Low blade frequency titanium compressor wheel

Family Cites Families (24)

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US2247813A (en) * 1939-08-11 1941-07-01 Gen Electric Centrifugal impeller
US2385838A (en) * 1945-04-21 1945-10-02 Michiana Products Corp High temperature fan
US2441121A (en) * 1945-08-31 1948-05-04 Michiana Products Corp High-temperature fan
US2766699A (en) * 1954-12-24 1956-10-16 Gen Electric Impeller assembly
US2970750A (en) * 1956-02-06 1961-02-07 Judson S Swearingen Centrifugal gas compression
US2902941A (en) * 1957-08-02 1959-09-08 Continental Plastics Corp Plastic pump impeller
US3224078A (en) * 1963-09-30 1965-12-21 Ruth D Mayne Method of making a turbine type blower wheel
US3407740A (en) * 1967-04-14 1968-10-29 Borg Warner Variable geometry centrifugal pump
US3541607A (en) * 1968-05-29 1970-11-17 Itt Centrifugal pump
US3521973A (en) * 1968-08-16 1970-07-28 Anpol Research Corp Fan construction
US3572967A (en) * 1969-07-15 1971-03-30 Hauck Mfg Co Fabricated centrifugal impeller assembly
SE408329B (en) * 1976-05-12 1979-06-05 Wallman Knut Olof Lennart TAP BODY FOR FIXING THE PLACE PIECES WITH EACH OTHER AND WAY TO PERFORM SUCH TAP BODY
US4213735A (en) * 1979-02-01 1980-07-22 Chandler Evans Inc. Constant flow centrifugal pump
JPS62228699A (en) * 1986-03-31 1987-10-07 Aisin Seiki Co Ltd Water pump
US4828454A (en) * 1986-06-06 1989-05-09 The United States Of America As Represented By The Secretary Of The Navy Variable capacity centrifugal pump
US4720242A (en) * 1987-03-23 1988-01-19 Lowara, S.P.A. Centrifugal pump impeller
FR2703111B1 (en) * 1993-03-25 1995-06-30 Ozen Sa ROTOR FOR PUMP COMPRISING TWO WELDED ASSEMBLIES, OBTAINED BY INJECTION MOLDING OF THERMOPLASTIC MATERIALS, AND METHOD FOR MANUFACTURING SUCH A ROTOR.
DE19701297A1 (en) * 1997-01-16 1998-07-23 Wilo Gmbh Impeller of a centrifugal pump
JP3675115B2 (en) * 1997-07-11 2005-07-27 株式会社日立製作所 Electric blower and method of manufacturing impeller used for this electric blower
AUPQ763500A0 (en) * 2000-05-19 2000-06-15 Davey Products Pty Ltd Impeller assembly
US6537030B1 (en) * 2000-10-18 2003-03-25 Fasco Industries, Inc. Single piece impeller having radial output
US6881033B2 (en) * 2002-09-30 2005-04-19 Fisher & Paykel Healthcare Limited Impeller
US20050071998A1 (en) * 2003-10-02 2005-04-07 Rocky Drew M. Method of molding centrifugal impeller
US20080279682A1 (en) * 2007-03-06 2008-11-13 Larry David Wydra Impeller Assembly and Method of Using Same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465625A (en) * 1943-10-18 1949-03-29 Sulzer Ag Centrifugal compressor
US3510229A (en) * 1968-07-23 1970-05-05 Maytag Co One-way pump
US3743440A (en) * 1969-05-06 1973-07-03 A Moore Rotary, tubular impeller
US7008189B2 (en) * 2003-04-07 2006-03-07 Minebea Co., Ltd. Centrifugal fan
US20080286130A1 (en) * 2007-05-17 2008-11-20 Purvines Stephen H Fan impeller
US20100263373A1 (en) * 2007-11-16 2010-10-21 Borgwarner Inc. Low blade frequency titanium compressor wheel

Also Published As

Publication number Publication date
WO2012103262A2 (en) 2012-08-02
EP2539545A2 (en) 2013-01-02
US20110182736A1 (en) 2011-07-28

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