EP2450130A3 - Die casting of component having integral seal - Google Patents

Die casting of component having integral seal Download PDF

Info

Publication number
EP2450130A3
EP2450130A3 EP11187956.5A EP11187956A EP2450130A3 EP 2450130 A3 EP2450130 A3 EP 2450130A3 EP 11187956 A EP11187956 A EP 11187956A EP 2450130 A3 EP2450130 A3 EP 2450130A3
Authority
EP
European Patent Office
Prior art keywords
component
integral seal
die casting
die
die cavity
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.)
Granted
Application number
EP11187956.5A
Other languages
German (de)
French (fr)
Other versions
EP2450130B1 (en
EP2450130A2 (en
Inventor
Steven J. Bullied
Carl R. Verner
Gaurav M. PATEL
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.)
Raytheon Technologies Corp
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 EP2450130A2 publication Critical patent/EP2450130A2/en
Publication of EP2450130A3 publication Critical patent/EP2450130A3/en
Application granted granted Critical
Publication of EP2450130B1 publication Critical patent/EP2450130B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/24—Accessories for locating and holding cores or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/005—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure using two or more fixed moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

A method of die casting a component (29) having an integral seal (33) includes defining a first portion (80) of a die cavity (158) of a die (150) to include an open cell structure (85). A second portion (82) of the die (150) is defined without the open cell structure (85). Molten metal (M) is injected into the die cavity (158), and the molten metal (M) is solidified within the die cavity (158) to form the component (29) having the integral seal (33).
EP11187956.5A 2010-11-05 2011-11-04 Die casting of component having integral seal Not-in-force EP2450130B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/940,087 US20120111521A1 (en) 2010-11-05 2010-11-05 Die casting of component having integral seal

Publications (3)

Publication Number Publication Date
EP2450130A2 EP2450130A2 (en) 2012-05-09
EP2450130A3 true EP2450130A3 (en) 2016-01-20
EP2450130B1 EP2450130B1 (en) 2019-09-11

Family

ID=44905707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11187956.5A Not-in-force EP2450130B1 (en) 2010-11-05 2011-11-04 Die casting of component having integral seal

Country Status (3)

Country Link
US (2) US20120111521A1 (en)
EP (1) EP2450130B1 (en)
SG (1) SG180154A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120273539A1 (en) * 2011-04-28 2012-11-01 GM Global Technology Operations LLC Support structure and method of manufacturing the same
US8978388B2 (en) * 2011-06-03 2015-03-17 General Electric Company Load member for transition duct in turbine system
US10927692B2 (en) 2018-08-06 2021-02-23 General Electric Company Turbomachinery sealing apparatus and method
US10987731B1 (en) * 2020-07-30 2021-04-27 Exco Technologies Limited Die-casting piston, and die-casting apparatus incorporating same
CN112108623B (en) * 2020-09-17 2022-02-08 江西吉事达厨房用品有限公司 Die-casting forming device of aluminum alloy pot

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1146204A2 (en) * 2000-04-12 2001-10-17 ROLLS-ROYCE plc Abradable seals
US6648055B1 (en) * 1999-04-16 2003-11-18 Daimlerchrysler Ag Casting tool and method of producing a component
DE102006004090A1 (en) * 2006-01-28 2007-08-02 Mtu Aero Engines Gmbh Guide blade segment for gas turbine, has guide blade and inner cover band, where integral component of inner cover band, is sealing element, which seals radial inner gap between guide blade segment and gas turbine rotor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021319A1 (en) * 1994-02-01 1995-08-10 United Technologies Corporation Honeycomb abradable seals
US6085830A (en) * 1997-03-24 2000-07-11 Fujikura Ltd. Heat sink, and process and apparatus for manufacturing the same
US20020005233A1 (en) * 1998-12-23 2002-01-17 John J. Schirra Die cast nickel base superalloy articles
GB2468834B (en) * 2008-12-22 2011-02-09 Rolls Royce Plc A composite component

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6648055B1 (en) * 1999-04-16 2003-11-18 Daimlerchrysler Ag Casting tool and method of producing a component
EP1146204A2 (en) * 2000-04-12 2001-10-17 ROLLS-ROYCE plc Abradable seals
DE102006004090A1 (en) * 2006-01-28 2007-08-02 Mtu Aero Engines Gmbh Guide blade segment for gas turbine, has guide blade and inner cover band, where integral component of inner cover band, is sealing element, which seals radial inner gap between guide blade segment and gas turbine rotor

Also Published As

Publication number Publication date
EP2450130B1 (en) 2019-09-11
US20120111521A1 (en) 2012-05-10
SG180154A1 (en) 2012-05-30
US20160074933A1 (en) 2016-03-17
EP2450130A2 (en) 2012-05-09

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