IL43539A - Centrifugal fan assembly for internal combustion engines - Google Patents

Centrifugal fan assembly for internal combustion engines

Info

Publication number
IL43539A
IL43539A IL43539A IL4353973A IL43539A IL 43539 A IL43539 A IL 43539A IL 43539 A IL43539 A IL 43539A IL 4353973 A IL4353973 A IL 4353973A IL 43539 A IL43539 A IL 43539A
Authority
IL
Israel
Prior art keywords
fan
radially
extending
flange
vane
Prior art date
Application number
IL43539A
Other languages
Hebrew (he)
Other versions
IL43539A0 (en
Original Assignee
Outboard Marine Corp
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 Outboard Marine Corp filed Critical Outboard Marine Corp
Publication of IL43539A0 publication Critical patent/IL43539A0/en
Publication of IL43539A publication Critical patent/IL43539A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
    • 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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F04D29/285—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors the compressor wheel comprising a pair of rotatable bladed hub portions axially aligned and clamped together
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/915—Pump or portion thereof by casting or molding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (16)

1. A fan assembly comprising a first fan member having an intended axis of rotation and including a first plurality of angularly spaced vanes each extending radially outwardly of said first member rotational axis and having a radially extending edge, a second fan member having an intended axis of rotation and including a second plurality of vanes corresponding in n umber and angular spacing to said vanes of said first member, each of said second member vanes extending radially outwardly of said second member rotational axis and having a radially extending edge and an outer part extending arcuately in a plane extending parallel to said second member rotational axis and perpendicularly to a plane extending radially from and containing said second member rotational axis, and interfitting means on said first and second fan members for coaxially aligning said first and second fan members with said edges of said vanes of said, first fan member in alignment with said edges of said vanes of said second fan member and for rotatably driving one of said first and second fan members in response to rotation of the other of said first and second fan members . 43539/3
2. A fan assembly in accordance with Claim 1 wherein said interfitting means comprises a circumferential flange extending radially outwardly from the radially outer ends of said vane portions of said second fan member, said flange having a surface adjacent to said first fan member with a pluralit of radially extending recesses therein, and wherein said interfitting means further comprises a plurality of radially outer parts of ^ said first member vane outer edges received in said plurality of, recesses in said second fan member flange.
3. A fan assembly in accordance with Claim 1 wherein said first fan member includes a base from which said plurality of angularly spaced vanes extend axially, wherein each of said edges of said vanes of said first fan member is spaced axially outwardly from said base and includes a radially outer end portion, wherein said .second member includes a circular portion having an axially inner end and an axially outer end, wherein said second member further includes a circumferential flange extending radially outwardly from said axially inner end of said circular portion, wherein said second plurality of vanes extend radially inwardly from said circular portion toward said second member rotational axis, and wherein said interfitting means locates said second fan member flange in overlying relation to said radially outer end portions of said axially inner vane edges of said first fan member, whereby to form a fan assembly inlet at the axially outer end of said second fan member circular ortion and to form a fan assembly outlet at the 43539/ 3
4. A fan assembly in accordance with Claim 3 whorcin said second fan member flange includes a surface adjacent said first fan member and wherein said interfitting means comprises a plurality of radially extending recesses in said flange surface, and a plurality of parts of said radially outer end portions of said first member vane axially inner edges received in said plurality of recesses in said second fan member flange surface.
5.¾ A fan assembly in accordance with Claim 1 and further including an internal combustion engine comprising an engine block, a shaft journaled in said block and having a portion extending exteriorly of said block, said shaft portion receiving said first and second fan members, means on said shaft for retaining said first and second fan members in interfltted condition, and means on said shaft and on said other of said first and second fan members for rotatably driving* . said other of said first and second fan members.
6. jA fan assembly -An accordance I with Claim 5 wherein said interfitting means comprises circumferential flange extending radially outwardly from the radially outer ends of said vane portions of said second fan member, said- flange having a surface adjacent to said first fan member with a plurality of radially extending recesses therein, and wherein said interfitting means further comprises a plurality of radially outer parts of said first member vane outer edges received in 43539/3
7. i A fan assembly in accordance with Claim 5 wherein said retaining means on said shaft includes a shoulder on said shaft portion axially inwardly of said first fan member, a threaded part on the end of said shaft portion, and a nut on. said threaded part axially outwardly of said second fan member.
8. A fan assembly in accordance with Claim 1 ί and further including an internal combustion engine comprising an engine block., a shaft journaled in said block and having a portion extending exteriorly of said block, said shaft portion receiving said first and second fan members, and wherein said first fan member includes a base from which said plurality of angularly spaced vanes extend axially of said, shaft wherein each of edges of said vanes of said first fan member is spaced axially inwardly from said base and includes a radially outer end portion, wherein said second fan member includes a circular portion having an axially inner end and an axially outer end, wherein said second fan member further includes a circumferential flange extending radially outwardly from said axially inner end of said circular portion, and wherein said second plurality of vanes extend radially inwardly from said circular portion toward the axis of said shaft, and further including means on said shaft for retaining said first and second fan members in interfitted condition, ..and means on said shaft and on said other of said first and second fan members for rotatably driving 43539/3
9. i A fan assembly' in accordance with Claim 8 wherein said second fan member flange includes a surface adjacent said first fan member and wherein said interfitting means comprises a plurality of radially extending recesses in said flange surface, and a plurality of parts of said radially outer end portions of said first member vane axially inner edges received in said plurality of recesses in said first fan member flange surface.
10. A method of manufacturing a fan assembly according to Claim 1 and comprising the steps of die casting a first fan member with the flange and with a plurality of angularly spaced vane portions projecting from one surface of the flange, die casting a second fan member with a second plurality of vane portions corresponding in number and angular spacing to the vane portions of the first fan member, each of the second member vane portions including the vane outer parts , aligning the first and second fan members to locate the vane portions in alignment, and assembling the first and second fan members with the vane portions in alignment and so thereafter to maintain the vane portions in alignment.
11. A method in accordance with Claim 10 ' wherein the outer parts of the vanes of the fan assembly have an axially outer margin and wherein said step of die casting said first fan member utilizes a parting line extending along said one surface of said flange and wherein said step of die casting said second . fan member utilizes a parting line extending along the axially outer margin of said vane outer parts.
12. A method of manufacturing a fan assembly in accordance with Claim 10 wherein said step of die casting the first fan member includes casting of said plurality of angularly spaced vane portions so as to project radially outwardly of the intended rotational axis.
13. A method of manufacturing a fan assembly in accordance with Claim 10 wherein the fan assembly includes spaced walls defining a radially open circumferentially extending air outlet and an axially open air inlet,. and the plurality of angularly spaced vanes extend between the walls, wherein said step of die casting the first fan member ■ includes die casting of the vane portions thereof with radially outer parts, wherein said step of die casting the second fan member includes die casting thereof with a cylindrical portion defining, at one end thereof, the axially open air inlet, and with the second plurality of vane portions extending radially inwardly from the cylindrical portion, and with a flange extending radially outwardly from the other end of the cylindrical portion, and wherein said assembling step includes locating the second member flange in adjacent relation to the radially outer parts
14. , A method in accordance with Claim 13 wherein the step of die casting a first fan member includes casting thereof with a hub extending from the flange and from the radially inner ends of the vane portions and wherein the step of die casting a second fan member includes casting thereof with a hub extending from the radially inner ends of the vane portions of the second fan member, and wherein the step of assembling the first and second fan members includes assembling thereof with the hubs of the first and second fan members in alignment.
15. A method of manufacturing a fan assembly in accordance with Claim 10 wherein the fan assembly includes a base from which the plurality of angularly spaced vanes extend, wherein said step of die casting the first fan member includes die casting thereof with the base and with the plurality of angularly spaced vane portions each projecting from one surface of the base and with the vane portions each having a radially extending axially inner edge spaced from the base and including a radially outer end portion and wherein the step of die casting the second fan member includes die casting thereof with a circular portion having an axially inner end and an axially outer end, with a circumferential flange extending radially outwardly from the axially inner end of the circular · portion, and with the second plurality of vane portions
16. A met according to Clai a first fan membe ward relation to the intended rotational axis, and with a plurality of angularly spaced vane portions projecting from the flange in radially outwardly extending relation from the intended rotational axis and having radially outer parts, die casting a second fan member with a cylindrical portion defining, at one end thereof, the axially open air inlet, and with a second plurality of vane porLions extending radially inwardly from the cylindrical portion and corresponding in number and angular spacing to the vane portions of the first far. member, and with .a flange extending radially outwardly from the other end of the cylindrical portion, aligning the first and second fan members to locate the vane 'portions in alignment, and assembling the first and second fan members with the vane portions in alignment and with, the second member flange extending in adjacent relation to the radially outer parts of the vane portions of the first member so as to define with the first member flange the circumferentially extending air outlet and so as, thereafter, to maintain the vane portions
IL43539A 1973-01-02 1973-11-01 Centrifugal fan assembly for internal combustion engines IL43539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32007373A 1973-01-02 1973-01-02

Publications (2)

Publication Number Publication Date
IL43539A0 IL43539A0 (en) 1974-03-14
IL43539A true IL43539A (en) 1976-11-30

Family

ID=23244758

Family Applications (1)

Application Number Title Priority Date Filing Date
IL43539A IL43539A (en) 1973-01-02 1973-11-01 Centrifugal fan assembly for internal combustion engines

Country Status (5)

Country Link
US (1) US3782851A (en)
JP (1) JPS4997312A (en)
CA (1) CA1011201A (en)
DE (1) DE2364921A1 (en)
IL (1) IL43539A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL90863B1 (en) * 1974-04-12 1977-02-28
US4231706A (en) * 1977-04-27 1980-11-04 Hitachi, Ltd. Impeller of a centrifugal blower
US4355954A (en) * 1980-07-18 1982-10-26 The Maytag Company Pump impeller
US4556364A (en) * 1981-07-23 1985-12-03 D. Wickham And Company Limited Centrifugal pumps
JPS58195099A (en) * 1982-05-11 1983-11-14 Matsushita Electric Ind Co Ltd Impeller of centrifugal blower
US4682384A (en) * 1983-10-05 1987-07-28 The Scott & Fetzer Company Vacuum generating system for hand-held vacuum cleaner
IT1201783B (en) * 1986-11-27 1989-02-02 Zanussi Elettrodomestici PUMPING GROUP IN PARTICULAR FOR DISHWASHER MACHINES
US5071317A (en) * 1990-06-04 1991-12-10 Alan Leach Centrifugal pump having a unitary one-piece diffusion casing and a unitary one piece turbine impeller unit
DE4109646A1 (en) * 1991-03-23 1992-09-24 Bosch Gmbh Robert IMPELLER FOR A RADIAL FAN
US5245954A (en) * 1992-07-02 1993-09-21 Outboard Marine Corporation Axial fan flywheel
US5199388A (en) * 1992-07-02 1993-04-06 Outboard Marine Corporation Axial fan flywheel
DE4427115C1 (en) * 1994-07-30 1995-04-06 Braun Ag Impeller for a radial-flow fan
SE504973C2 (en) * 1995-09-14 1997-06-02 Walinov Ab Fan unit included in a ventilated vehicle seat
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
US5951245A (en) * 1997-10-06 1999-09-14 Ford Motor Company Centrifugal fan assembly for an automotive vehicle
SE512154C2 (en) * 1997-11-18 2000-02-07 Flygt Ab Itt Impeller for centrifugal or semi-axial pumps intended to pump primarily wastewater
US6092988A (en) * 1998-07-06 2000-07-25 Ford Motor Company Centrifugal blower assembly with a pre-swirler for an automotive vehicle
DE10013908A1 (en) * 2000-03-21 2001-09-27 Mannesmann Vdo Ag Feed pump
US8029237B2 (en) * 2004-05-19 2011-10-04 Delta Electronics, Inc. Centrifugal fan and housing thereof
TWI263735B (en) * 2004-07-16 2006-10-11 Delta Electronics Inc Heat-dissipating device
US7607886B2 (en) * 2004-05-19 2009-10-27 Delta Electronics, Inc. Heat-dissipating device
US20080279682A1 (en) * 2007-03-06 2008-11-13 Larry David Wydra Impeller Assembly and Method of Using Same
DE102007016343B4 (en) 2007-04-03 2017-03-30 Miele & Cie. Kg Fastening device for an impeller
US8390161B2 (en) * 2009-09-29 2013-03-05 Regal Beloit America, Inc. Electric motor having a rain guard
US9249806B2 (en) 2011-02-04 2016-02-02 Ti Group Automotive Systems, L.L.C. Impeller and fluid pump
US10914316B1 (en) 2011-08-23 2021-02-09 Climatecraft, Inc. Plenum fan
US9140270B2 (en) 2011-09-14 2015-09-22 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Centrifugal fan assembly
CN104074798A (en) * 2014-07-29 2014-10-01 成都赛乐化新机电有限公司 Impeller assembly for chlorine gas compressor
US10723196B2 (en) * 2016-12-16 2020-07-28 Air International (Us) Inc. HVAC system inlet assembly

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE838192C (en) * 1952-03-27 Maschinenfabrik Oerlikon, Oerlikon, Zürich (Schweiz) Blade root for primary rotor blades and method for producing this root
US1427391A (en) * 1921-03-07 1922-08-29 New Zealand Flusher Company Lt Construction of rotary fan or turbine wheel
DE462853C (en) * 1927-11-05 1928-07-19 Lorenzen G M B H C Runner for centrifugal compressor, the cover disk of which is pressed in the axial direction against the free edges of the blades machined from one piece with the runner disk
US1959703A (en) * 1932-01-26 1934-05-22 Birmann Rudolph Blading for centrifugal impellers or turbines
US1919970A (en) * 1933-02-07 1933-07-25 Gen Electric Impeller
DE755198C (en) * 1935-12-20 1952-11-24 Versuchsanstalt Fuer Luftfahrt Centrifugal machine impeller for high peripheral speeds
US2366251A (en) * 1940-12-17 1945-01-02 Fullemann Johann Blower impeller
US2652191A (en) * 1942-02-21 1953-09-15 Buchi Alfred Rotor for compressing machines such as centrifugal blowers and pumps
NL115026B (en) * 1943-12-11 1949-04-15
US2438867A (en) * 1945-06-01 1948-03-30 United Aircraft Corp Method of assembling shrouds on impellers
US2482462A (en) * 1946-11-09 1949-09-20 Wright Aeronautical Corp Centrifugal compressor construction
US3285187A (en) * 1965-11-05 1966-11-15 Msl Ind Inc Impeller for use in centrifugal pump or blower and a method of manufacture thereof

Also Published As

Publication number Publication date
IL43539A0 (en) 1974-03-14
CA1011201A (en) 1977-05-31
JPS4997312A (en) 1974-09-13
DE2364921A1 (en) 1974-07-04
US3782851A (en) 1974-01-01

Similar Documents

Publication Publication Date Title
IL43539A (en) Centrifugal fan assembly for internal combustion engines
US3893817A (en) Die castable centrifugal fan
US4781530A (en) Compressor range improvement means
US2985426A (en) Bladed rotor construction for axialflow fluid machine
US3096074A (en) Bladed rotors of machines such as gas turbines
US7186079B2 (en) Turbine engine disk spacers
US3543368A (en) Variable capacity fluid discharge device
US5018941A (en) Blade fixing arrangement for a turbomachine rotor
SE8902516D0 (en) centrifugal
US20030213334A1 (en) Rotor balancing system for turbomachinery
US3951611A (en) Blank for fan blade
CA2420709A1 (en) Mixed flow and centrifugal compressor for gas turbine engine
US4668167A (en) Multifunction labyrinth seal support disk for a turbojet engine rotor
GB905582A (en) Improvements relating to the sealing of blades in a bladed rotor
EP1394358A3 (en) Gas turbine engine disk rim with axially cutback and circumferentially skewed cooling air slots
JPH08284770A (en) Reproducing type fuel pump
US3397865A (en) Bladed rotor for a fluid flow machine such as a gas turbine engine
US4383799A (en) Ring and groove contraction for assembling a turbocharger
EP1817227B1 (en) Dual counterweight balancing system
JP2003528256A (en) Pressure pump
EP0222679A1 (en) A sideplate for turbine disk
KR940002507A (en) Pump lmpeller
US2963272A (en) Rotor blade shrouding
JPH06280502A (en) Balance rotor
US4451204A (en) Aerofoil blade mounting