SG120222A1 - Composite core for use in precision investment casting - Google Patents

Composite core for use in precision investment casting

Info

Publication number
SG120222A1
SG120222A1 SG200503743A SG200503743A SG120222A1 SG 120222 A1 SG120222 A1 SG 120222A1 SG 200503743 A SG200503743 A SG 200503743A SG 200503743 A SG200503743 A SG 200503743A SG 120222 A1 SG120222 A1 SG 120222A1
Authority
SG
Singapore
Prior art keywords
composite core
investment casting
precision investment
precision
casting
Prior art date
Application number
SG200503743A
Other languages
English (en)
Inventor
John D Wiedemer
Keith A Santeler
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of SG120222A1 publication Critical patent/SG120222A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/103—Multipart cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
SG200503743A 2004-09-09 2005-06-13 Composite core for use in precision investment casting SG120222A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/937,067 US7108045B2 (en) 2004-09-09 2004-09-09 Composite core for use in precision investment casting

Publications (1)

Publication Number Publication Date
SG120222A1 true SG120222A1 (en) 2006-03-28

Family

ID=35478606

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200503743A SG120222A1 (en) 2004-09-09 2005-06-13 Composite core for use in precision investment casting

Country Status (7)

Country Link
US (2) US7108045B2 (fr)
EP (2) EP1634665B1 (fr)
JP (1) JP2006075901A (fr)
CN (1) CN1745938A (fr)
DE (1) DE602005019818D1 (fr)
RU (1) RU2005125789A (fr)
SG (1) SG120222A1 (fr)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
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US7108045B2 (en) * 2004-09-09 2006-09-19 United Technologies Corporation Composite core for use in precision investment casting
US20070068649A1 (en) * 2005-09-28 2007-03-29 Verner Carl R Methods and materials for attaching ceramic and refractory metal casting cores
US7744347B2 (en) * 2005-11-08 2010-06-29 United Technologies Corporation Peripheral microcircuit serpentine cooling for turbine airfoils
US7861766B2 (en) * 2006-04-10 2011-01-04 United Technologies Corporation Method for firing a ceramic and refractory metal casting core
US7753104B2 (en) * 2006-10-18 2010-07-13 United Technologies Corporation Investment casting cores and methods
GB2444483B (en) 2006-12-09 2010-07-14 Rolls Royce Plc A core for use in a casting mould
US7866370B2 (en) 2007-01-30 2011-01-11 United Technologies Corporation Blades, casting cores, and methods
US8083511B2 (en) * 2007-12-05 2011-12-27 United Technologies Corp. Systems and methods involving pattern molds
EP2127781A1 (fr) * 2008-05-29 2009-12-02 Siemens Aktiengesellschaft Procédé de fabrication d'une aube de turbine
US9174271B2 (en) * 2008-07-02 2015-11-03 United Technologies Corporation Casting system for investment casting process
US8157527B2 (en) * 2008-07-03 2012-04-17 United Technologies Corporation Airfoil with tapered radial cooling passage
US8317461B2 (en) * 2008-08-27 2012-11-27 United Technologies Corporation Gas turbine engine component having dual flow passage cooling chamber formed by single core
US8572844B2 (en) * 2008-08-29 2013-11-05 United Technologies Corporation Airfoil with leading edge cooling passage
US8303252B2 (en) * 2008-10-16 2012-11-06 United Technologies Corporation Airfoil with cooling passage providing variable heat transfer rate
US8100165B2 (en) * 2008-11-17 2012-01-24 United Technologies Corporation Investment casting cores and methods
US8113780B2 (en) * 2008-11-21 2012-02-14 United Technologies Corporation Castings, casting cores, and methods
US8171978B2 (en) 2008-11-21 2012-05-08 United Technologies Corporation Castings, casting cores, and methods
US8109725B2 (en) 2008-12-15 2012-02-07 United Technologies Corporation Airfoil with wrapped leading edge cooling passage
US8347947B2 (en) 2009-02-17 2013-01-08 United Technologies Corporation Process and refractory metal core for creating varying thickness microcircuits for turbine engine components
US20110020115A1 (en) * 2009-07-27 2011-01-27 United Technologies Corporation Refractory metal core integrally cast exit trench
FR2950825B1 (fr) * 2009-10-01 2011-12-09 Snecma Procede ameliore de fabrication d'un ensemble annulaire aubage de turbomachine a la cire perdue, moule metallique et modele en cire pour la mise en oeuvre d'un tel procede
US20110315336A1 (en) * 2010-06-25 2011-12-29 United Technologies Corporation Contoured Metallic Casting Core
US8302668B1 (en) 2011-06-08 2012-11-06 United Technologies Corporation Hybrid core assembly for a casting process
US8291963B1 (en) 2011-08-03 2012-10-23 United Technologies Corporation Hybrid core assembly
EP2636466A1 (fr) * 2012-03-07 2013-09-11 Siemens Aktiengesellschaft Noyau de moulage d'un composant creux
US9079803B2 (en) 2012-04-05 2015-07-14 United Technologies Corporation Additive manufacturing hybrid core
US9279331B2 (en) 2012-04-23 2016-03-08 United Technologies Corporation Gas turbine engine airfoil with dirt purge feature and core for making same
US10005123B2 (en) 2013-10-24 2018-06-26 United Technologies Corporation Lost core molding cores for forming cooling passages
US10370980B2 (en) 2013-12-23 2019-08-06 United Technologies Corporation Lost core structural frame
FR3037829B1 (fr) * 2015-06-29 2017-07-21 Snecma Noyau pour le moulage d'une aube ayant des cavites superposees et comprenant un trou de depoussierage traversant une cavite de part en part
US10099276B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having an internal passage defined therein
US9987677B2 (en) 2015-12-17 2018-06-05 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US9968991B2 (en) 2015-12-17 2018-05-15 General Electric Company Method and assembly for forming components having internal passages using a lattice structure
US10137499B2 (en) 2015-12-17 2018-11-27 General Electric Company Method and assembly for forming components having an internal passage defined therein
US10099284B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having a catalyzed internal passage defined therein
US10150158B2 (en) 2015-12-17 2018-12-11 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US9579714B1 (en) 2015-12-17 2017-02-28 General Electric Company Method and assembly for forming components having internal passages using a lattice structure
US10099283B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having an internal passage defined therein
US10046389B2 (en) 2015-12-17 2018-08-14 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US10118217B2 (en) 2015-12-17 2018-11-06 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
FR3046736B1 (fr) * 2016-01-15 2021-04-23 Safran Noyau refractaire comprenant un corps principal et une coque
US10286450B2 (en) 2016-04-27 2019-05-14 General Electric Company Method and assembly for forming components using a jacketed core
US10335853B2 (en) 2016-04-27 2019-07-02 General Electric Company Method and assembly for forming components using a jacketed core
US10443403B2 (en) 2017-01-23 2019-10-15 General Electric Company Investment casting core
US10596621B1 (en) * 2017-03-29 2020-03-24 United Technologies Corporation Method of making complex internal passages in turbine airfoils
US10556269B1 (en) 2017-03-29 2020-02-11 United Technologies Corporation Apparatus for and method of making multi-walled passages in components
US11236625B2 (en) * 2017-06-07 2022-02-01 General Electric Company Method of making a cooled airfoil assembly for a turbine engine
CN107237676A (zh) * 2017-06-30 2017-10-10 潍柴动力股份有限公司 发动机排气管、发动机及发动机排气管的铸造方法
US11053803B2 (en) * 2019-06-26 2021-07-06 Raytheon Technologies Corporation Airfoils and core assemblies for gas turbine engines and methods of manufacture
US11041395B2 (en) 2019-06-26 2021-06-22 Raytheon Technologies Corporation Airfoils and core assemblies for gas turbine engines and methods of manufacture
US11813665B2 (en) * 2020-09-14 2023-11-14 General Electric Company Methods for casting a component having a readily removable casting core

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596281A (en) * 1982-09-02 1986-06-24 Trw Inc. Mold core and method of forming internal passages in an airfoil
US6478073B1 (en) * 2001-04-12 2002-11-12 Brunswick Corporation Composite core for casting metallic objects
US6637500B2 (en) * 2001-10-24 2003-10-28 United Technologies Corporation Cores for use in precision investment casting
US7014424B2 (en) * 2003-04-08 2006-03-21 United Technologies Corporation Turbine element
US6929054B2 (en) * 2003-12-19 2005-08-16 United Technologies Corporation Investment casting cores
US7108045B2 (en) * 2004-09-09 2006-09-19 United Technologies Corporation Composite core for use in precision investment casting

Also Published As

Publication number Publication date
EP1634665B1 (fr) 2010-03-10
US20060048914A1 (en) 2006-03-09
EP1634665A2 (fr) 2006-03-15
US20070144702A1 (en) 2007-06-28
US7108045B2 (en) 2006-09-19
EP1634665A3 (fr) 2007-03-14
DE602005019818D1 (de) 2010-04-22
CN1745938A (zh) 2006-03-15
EP2070611A3 (fr) 2009-09-02
RU2005125789A (ru) 2007-02-20
JP2006075901A (ja) 2006-03-23
EP2070611A2 (fr) 2009-06-17
US7270173B2 (en) 2007-09-18

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