CA2243151C - Variable pitch fan - Google Patents

Variable pitch fan Download PDF

Info

Publication number
CA2243151C
CA2243151C CA002243151A CA2243151A CA2243151C CA 2243151 C CA2243151 C CA 2243151C CA 002243151 A CA002243151 A CA 002243151A CA 2243151 A CA2243151 A CA 2243151A CA 2243151 C CA2243151 C CA 2243151C
Authority
CA
Canada
Prior art keywords
fan
pitch
blades
main shaft
counterweights
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA002243151A
Other languages
English (en)
French (fr)
Other versions
CA2243151A1 (en
Inventor
Jonathan E. Mccallum
Brian J. Bruchal
Murray C. Gerwing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flexxaire Manufacturing Inc
Original Assignee
Flexxaire Manufacturing Inc
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 Flexxaire Manufacturing Inc filed Critical Flexxaire Manufacturing Inc
Priority to CA002243151A priority Critical patent/CA2243151C/en
Priority to US09/116,518 priority patent/US6113351A/en
Priority to DE19928536.5A priority patent/DE19928536B4/de
Priority to GB9914991A priority patent/GB2341424B/en
Priority to JP11198048A priority patent/JP2000039000A/ja
Publication of CA2243151A1 publication Critical patent/CA2243151A1/en
Priority to CA002312217A priority patent/CA2312217C/en
Priority to US09/602,604 priority patent/US6439850B1/en
Priority to US10/225,507 priority patent/US6644922B2/en
Application granted granted Critical
Publication of CA2243151C publication Critical patent/CA2243151C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA002243151A 1998-07-15 1998-07-15 Variable pitch fan Expired - Lifetime CA2243151C (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002243151A CA2243151C (en) 1998-07-15 1998-07-15 Variable pitch fan
US09/116,518 US6113351A (en) 1998-07-15 1998-07-16 Variable pitch fan
DE19928536.5A DE19928536B4 (de) 1998-07-15 1999-06-22 Verstellschaufelgebläse
GB9914991A GB2341424B (en) 1998-07-15 1999-06-29 Variable pitch fan
JP11198048A JP2000039000A (ja) 1998-07-15 1999-07-12 可変ピッチファン
CA002312217A CA2312217C (en) 1998-07-15 2000-06-21 Variable pitch fan
US09/602,604 US6439850B1 (en) 1998-07-15 2000-06-21 Variable pitch fan
US10/225,507 US6644922B2 (en) 1998-07-15 2002-08-21 Variable pitch fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002243151A CA2243151C (en) 1998-07-15 1998-07-15 Variable pitch fan

Publications (2)

Publication Number Publication Date
CA2243151A1 CA2243151A1 (en) 2000-01-15
CA2243151C true CA2243151C (en) 2008-06-17

Family

ID=4162659

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002243151A Expired - Lifetime CA2243151C (en) 1998-07-15 1998-07-15 Variable pitch fan
CA002312217A Expired - Lifetime CA2312217C (en) 1998-07-15 2000-06-21 Variable pitch fan

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002312217A Expired - Lifetime CA2312217C (en) 1998-07-15 2000-06-21 Variable pitch fan

Country Status (5)

Country Link
US (1) US6113351A (enExample)
JP (1) JP2000039000A (enExample)
CA (2) CA2243151C (enExample)
DE (1) DE19928536B4 (enExample)
GB (1) GB2341424B (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6439850B1 (en) 1998-07-15 2002-08-27 Flexxaire Manufacturing Inc. Variable pitch fan
GB2374124B (en) * 2000-12-20 2003-06-25 Borgwarner Inc Fan control system
US6571751B2 (en) * 2001-05-08 2003-06-03 Caterpillar Inc Method and apparatus for cooling fan control algorithm
US7008184B2 (en) * 2002-08-14 2006-03-07 Bettencourt Jr Harold Ray Control for cooling fan
US6729844B2 (en) 2002-08-14 2004-05-04 Harold Ray Bettencourt Controller for variable pitch fan system
CA2403632C (en) * 2002-09-17 2011-04-05 Flexxaire Manufacturing Inc. Variable pitch fan
US6672835B1 (en) 2003-05-19 2004-01-06 Arthur C. Hughes Method and apparatus for self-contained variable pitch and/or constant speed propeller including provisions for feathering and reverse pitch operation
US7063125B2 (en) * 2003-09-10 2006-06-20 Borgwarner Inc. Fan penetration feature for in-vehicle testing
CA2483109C (en) 2003-10-20 2012-05-01 Flexxaire Manufacturing Inc. Control system for variable pitch fan
US7179054B1 (en) 2004-05-14 2007-02-20 The United States Of America As Represented By The Secretary Of The Navy Flow reversal system for axial fan
US7235895B2 (en) * 2005-10-13 2007-06-26 General Electric Company Method and apparatus for gravity induced thermal energy dissipation
US8231345B2 (en) * 2007-09-04 2012-07-31 Honda Motor Co., Ltd. Fan blade pitch change assembly
CN101424273A (zh) * 2007-10-31 2009-05-06 卡特彼勒公司 冷却风扇驱动系统
US20100187825A1 (en) * 2009-01-28 2010-07-29 Fred Carr Microprocessor system for controlling rotor pitch
CA2784674C (en) 2009-12-18 2018-03-20 Flexxaire Inc. Variable pitch fan having a pitch sensor
US8602731B2 (en) * 2009-12-30 2013-12-10 Fred K. Carr Microprocessor system for controlling rotor pitch
KR101455168B1 (ko) * 2014-02-12 2014-10-27 주식회사 에네스지 송풍팬용 액추에이터
KR101637745B1 (ko) * 2014-11-25 2016-07-07 현대자동차주식회사 열해를 방지하는 에어가이드를 구비한 라디에이터
DE102016114910A1 (de) 2015-09-08 2017-03-09 Flexxaire Inc. Schaufel für ein Verstellschaufelgebläse
US10598187B2 (en) * 2017-08-22 2020-03-24 Asia Vital Components Co., Ltd. Heat-dissipation fan with cylindrical fan blades
FR3077339A1 (fr) * 2018-01-31 2019-08-02 Valeo Systemes Thermiques Ventilateur pour vehicule automobile
US11208905B2 (en) * 2019-05-24 2021-12-28 Johnson Controls Technology Company Fan assembly for an HVAC system
IT201900019944A1 (it) 2019-10-29 2021-04-29 Cnh Ind Italia Spa Metodo per controllare l'angolo di inclinazione delle pale di una ventola di raffreddamento motore
EP4617168A1 (en) * 2024-03-14 2025-09-17 Ratier-Figeac SAS Propeller assembly
CN120312655B (zh) * 2025-06-16 2025-09-02 中国航发商用航空发动机有限责任公司 具有变桨距机构的涡轮发动机的风扇模块、涡轮发动机、桨距调节方法

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US3356154A (en) * 1966-11-16 1967-12-05 Ford Motor Co Flexible blade engine cooling fan
NO120011B (enExample) * 1967-03-22 1970-08-10 Karlstad Mekaniska Ab
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DE2433727A1 (de) * 1974-07-13 1976-01-29 Gea Luftkuehler Happel Gmbh Axial-regelluefter
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US4221541A (en) * 1977-02-28 1980-09-09 Axial International Aktiengesellschaft Fan comprising a blade pitch control mechanism
GB2022534B (en) * 1978-04-20 1982-06-30 Dowty Rotol Ltd Bladed rotors
GB2117454B (en) * 1982-03-31 1985-01-16 Rolls Royce Control of variable pitch fan of an oil cooler
US4641039A (en) * 1982-12-30 1987-02-03 Groupment D'interet Economique Aerogenerateurs Carre Wind motors and aerogenerators
GB8300101D0 (en) * 1983-01-05 1983-02-09 Short Bros Ltd Control of aerial propeller
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EP0210175A1 (en) * 1985-01-24 1987-02-04 Sundstrand Corporation Ram air turbine
GB8517474D0 (en) * 1985-07-10 1985-08-14 Dowty Rotol Ltd Variable-pitch bladed rotors
US4778344A (en) * 1985-09-20 1988-10-18 Abraham Water Variable pitch mechanisms
GB8726966D0 (en) * 1987-11-18 1987-12-23 Jaguar Cars Cooling systems
CA1328433C (en) * 1988-10-03 1994-04-12 Clarence Isert Variable pitch fan with fan cranks and axle housed shifting means
US4934901A (en) * 1989-04-21 1990-06-19 Duchesneau Jerome G Pitch change actuation system
DE3938567C1 (enExample) * 1989-11-21 1991-04-11 Urs Wollerau Ch Morgenthaler
US5209640A (en) * 1989-12-30 1993-05-11 Toyota Jidosha Kabushiki Kaisha Pitch control apparatus for variable pitch propeller
DE4216135A1 (de) * 1991-05-16 1992-11-19 Mazda Motor Steuervorrichtung fuer einen rotationskoerper zum kuehlen eines motors
GB9114894D0 (en) * 1991-07-10 1991-08-28 Dowty Aerospace Gloucester A pitch control mechanism
JPH0524585A (ja) * 1991-07-25 1993-02-02 Toyota Motor Corp 可変ピツチプロペラのピツチ制御装置
US5284418A (en) * 1991-07-29 1994-02-08 Toyota Jidosha Kabushiki Kaisha Electric pitch control apparatus for variable pitch propeller capable of controlling the pitch angle based instantaneous operational conditions of the propeller
DE4231815C1 (de) * 1992-09-23 1994-01-05 Landolt Alexander Dr Regelung für einen Bootsantrieb mit einem Motor und einem Verstellpropeller
NL9201889A (nl) * 1992-10-29 1994-05-16 Klaas Langenberg Verstelbare schroef.
US5431539A (en) * 1993-10-28 1995-07-11 United Technologies Corporation Propeller pitch change mechanism
US5451141A (en) * 1993-12-23 1995-09-19 United Technologies Corporation Propeller pitch change machanism with inductive brake and motor
KR0157255B1 (ko) * 1994-01-31 1998-11-16 김무 블래이드 각도 조정가능한 냉각팬을 이용한 엔진 냉각 시스템
DE4446621A1 (de) * 1994-12-24 1996-06-27 Klein Schanzlin & Becker Ag Frequenzgeregelter Stellmotor
JP3211624B2 (ja) * 1995-05-30 2001-09-25 トヨタ自動車株式会社 航空機用推進機関の制御装置
US5897293A (en) * 1996-11-22 1999-04-27 United Technologies Corporation Counterweighted propeller control system
US6109871A (en) * 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
US5836743A (en) * 1997-10-22 1998-11-17 United Technologies Corporation Variable pitch counterweighted propeller system with releasable hydraulic pitchlock

Also Published As

Publication number Publication date
GB9914991D0 (en) 1999-08-25
JP2000039000A (ja) 2000-02-08
CA2243151A1 (en) 2000-01-15
CA2312217C (en) 2006-12-12
GB2341424A (en) 2000-03-15
CA2312217A1 (en) 2000-12-22
DE19928536B4 (de) 2016-08-04
GB2341424B (en) 2003-01-29
US6113351A (en) 2000-09-05
DE19928536A1 (de) 2000-01-20

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EEER Examination request
MKEX Expiry

Effective date: 20180716