US20100024612A1 - Installation tool for use with u-shaped component - Google Patents
Installation tool for use with u-shaped component Download PDFInfo
- Publication number
- US20100024612A1 US20100024612A1 US12/182,783 US18278308A US2010024612A1 US 20100024612 A1 US20100024612 A1 US 20100024612A1 US 18278308 A US18278308 A US 18278308A US 2010024612 A1 US2010024612 A1 US 2010024612A1
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- United States
- Prior art keywords
- plate
- block
- component
- installation tool
- shaped component
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- 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.)
- Abandoned
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Classifications
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- 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
- F04D29/40—Casings; Connections of working fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0092—Tools moving along strips, e.g. decorating or sealing strips, to insert them in, or remove them from, grooves or profiles
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49885—Assembling or joining with coating before or during assembling
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49888—Subsequently coating
Definitions
- the present invention relates generally to an installation tool. More specifically, the present invention relates to an installation tool for installing a flexible part into a U-shaped component.
- gas turbine engine components can be critical to engine performance. Sometimes a particular component will embody a structure that makes manufacturing processes, such as adhesive bonding, particularly difficult.
- a particular component will embody a structure that makes manufacturing processes, such as adhesive bonding, particularly difficult.
- commonly assigned U.S. patent application Ser. No. 12/080,051 which is hereby incorporated by reference, discloses an improved architecture for embedded heating elements in a fan inlet shroud fairing with a U-shaped structure. Installing a flexible component into a U-shaped component proved difficult in manufacturing.
- An exemplary embodiment of the present invention is an installation tool including a block and a plate.
- the block is configured to align the installation tool with a U-shaped component.
- the plate extends from the block and is configured to hold a flexible component such that the flexible component is accurately located within the U-shaped component.
- Another exemplary embodiment of the present invention is an installation method for use with a U-shaped component.
- the method includes inserting an insert into a flexible component to form a flexible assembly, attaching the flexible assembly to a plate, coating the flexible component with an adhesive, coupling the plate to a block, positioning the block on top of an open end of a U-shaped component, and sliding the plate into the U-shaped component, wherein the plate guides the flexible component into a position for installation.
- FIG. 1 is a perspective view of a fan inlet case showing the relationship between a fan inlet shroud fairing and a strut ring.
- FIG. 2 is an exploded view of a fan inlet shroud fairing and a flex circuit.
- FIG. 3A is a perspective view of a plate coupled to a block installing a flexible component into a U-shaped component.
- FIG. 3B is an exploded view of FIG. 3A .
- FIG. 4 is a perspective view of a plate coupled to a block, which is resting on top of a U-shaped component.
- FIG. 5 is a perspective view of a plate decoupled from a block.
- FIG. 6 is a close-up view of a flexible component and an insert.
- FIG. 7 is a perspective view of a flexible component and an insert attached to a plate.
- FIG. 8A is a block diagram of a method for using an installation tool.
- FIG. 8B is a perspective view of an insert being inserted into a flexible component.
- FIG. 8C is a perspective view of an insert attached to a plate.
- FIG. 8D is a perspective view of a plate coupled to a block.
- FIG. 8E is a perspective view of a block resting on top of a U-shaped component.
- FIG. 8F is a perspective view of a plate slid into a U-shaped component.
- FIG. 9A is a block diagram of an additional method for using an installation tool.
- FIG. 9B is a perspective view an indicator for checking the horizontal alignment of a flexible component with respect to a U-shaped component.
- FIG. 9C is a perspective view of U-shaped component with a block removed.
- FIG. 9D is a perspective view of an insert being disconnected from a plate.
- FIG. 9E is a perspective view of U-shaped component with a plate removed.
- FIG. 9F is a perspective view of a mandrel inserted into a U-shaped component.
- FIG. 1 is a perspective view of fan inlet case 10 showing the relationship between fan inlet shroud fairing 12 and strut 14 .
- a plurality of struts 14 in a spoke configuration generally comprise fan inlet case 10 .
- Fan inlet shroud fairing 12 is a U-shaped component that surrounds the generally planar strut 14 . Before attaching fan inlet shroud fairing 12 to strut 14 , it may be desirable to adhere a flex circuit to the interior of fan inlet shroud fairing 12 .
- FIG. 2 is an exploded view of fan inlet shroud fairing 12 and a flex circuit 16 .
- Flex circuit 16 is generally U-shaped and configured to nestle inside apex 18 of fan inlet shroud fairing 12 . In use, flex circuit 16 may nestle within a leading edge (as shown in FIG. 2 ) or span the entire length of apex 18 . Flex circuit 16 must be accurately and reproducibly placed within apex 18 of fan inlet shroud fairing 12 with uniform pressure and without dislodging adhesive from flex circuit 16 . Premature contact between flex circuit 16 and fan inlet shroud fairing 12 is detrimental to flex circuit 16 adhesion and a source of contamination for fan inlet shroud fairing 12 and strut 14 . An installation tool developed for installing flex circuit 16 into apex 18 of fan inlet shroud fairing 12 is described below.
- FIGS. 3A and 3B show adhesive installation tool 20 for installing flexible component 22 into U-shaped component 24 .
- Flexible component 22 may be a flex circuit (such as flex circuit 16 of FIG. 2 ) and U-shaped component 24 may be a fan inlet shroud fairing (such as fan inlet shroud fairing 12 of FIG. 2 ).
- U-shaped component 24 may rest in cradle 25 .
- Cradle 25 is not necessary for use of installation tool 20 , but aids in securely holding U-shaped component 24 while using installation tool 20 .
- Adhesive installation tool 20 includes plate 26 extending from block 28 .
- Plate 26 includes base 30 , arm 32 , and side arm 34 . Arm 32 extends perpendicularly from one end of base 30 .
- Block 28 extends perpendicularly from an approximate middle of arm 32 parallel to base 30 and may include indicator 35 .
- Block 28 has lip 36 and slit 38 .
- Lip 36 extends from a surface of block 28 and surrounds approximately rectangular block 28 to form a ridge.
- Slit 38 runs through an end of block 28 .
- the length and width of arm 32 are sufficient to support flexible component 22 .
- Side arm 34 is positioned on arm 32 at a predetermined distance to aid in supporting flexible component 22 .
- Side arm 34 may also include indicator 35 to aid in horizontally aligning flexible component 22 with respect to U-shaped component 24 .
- Base 30 is designed to couple with block 28 .
- slit 38 receives an edge of base 30 so that plate 26 is removably coupled to and extends from block 28 .
- Lip 36 creates a ridge around block 28 , which is configured to align installation tool 20 with U-shaped component 24 .
- the position of lip 36 on block 28 is dependent on the desired vertical alignment of flexible component 22 in U-shaped component 24 .
- Together block 28 and plate 26 form adhesive installation tool 20 capable of installing flexible component 22 into U-shaped component 24 .
- FIG. 4 is a perspective view of plate 26 coupled to block 28 , which is resting on top of U-shaped component 24 .
- Block 28 is surrounded by lip 36 .
- Plate 26 and block 28 are in the same physical relationship described for FIGS. 3A and 3B , which need not be repeated here.
- FIG. 4 illustrates how lip 36 may rest on top of U-shaped component 24 during installation of a flexible component.
- plate 26 slides into U-shaped component 24 .
- plate 26 slides into an open end of U-shaped component 24 , it carries flexible component 22 into a predetermined position within U-shaped component 24 .
- plate 26 After sliding into U-shaped component 24 , plate 26 hangs from block 28 , which continues to rest on top of U-shaped component 24 via lip 36 . Flexible component 22 is thus installed at a particular depth within U-shaped component 24 .
- the position of lip 36 on block 28 determines the vertical alignment of flexible component 22 in U-shaped component 24 , which in FIG. 4 is the leading edge of the apex of U-shaped component 24 .
- the combination of plate 26 and block 28 provides for accurate and reproducible positioning of a flexible component within U-shaped component 24 .
- FIG. 5 is a perspective view of plate 26 decoupled from block 28 .
- Plate 26 includes base 30 , arm 32 , and side arm 34 with indicator 35 .
- Arm 32 extends perpendicularly from one end of base 30 so that plate 20 assumes a shape resembling the letter “L”.
- Plate 26 may also assume a double L-shaped configuration wherein two arms extend perpendicularly from a single base in opposite directions.
- base 30 is approximately 2.5 inches (6.35 cm) wide and approximately 6 inches (15.24 cm) long.
- Arm 32 is approximately 1 inch (2.54 cm) wide and approximately 16 inches (40364 cm) long.
- Plate 26 is approximately 0.18 inches (0.4572 cm) thick.
- plate 26 is approximately 0.25 inches (0.635 cm) thick. Plate 26 may be comprised of metal, such as aluminum.
- Side arm 34 extends perpendicularly from an approximate middle of arm 32 parallel to base 30 and is configured to support a flexible component. In FIG. 5 , side arm 34 is approximately 1 inch (2.54 cm) wide and extends approximately 2.5 inches (6.35 cm) from arm 32 at a distance approximately 9.25 inches (23.495 cm) from base 30 .
- Side arm 34 may include indicator 35 which may simply comprise a line or indentation in the approximate middle of side arm 34 . Indicator 35 is configured to aid in the horizontal alignment of a flexible component with respect to a U-shaped component.
- Block 28 may be approximately rectangular and comprise any sturdy material that will not damage a U-shaped component such as, but not limited, to nylon.
- block 28 is approximately 3 inches (7.62 cm) tall, 5 inches (12.7 cm) long, and 0.65 inches (1.651 cm) thick.
- Lip 36 extends from a surface of block 28 and surrounds block 28 to form a ridge. In FIG. 5 , lip 36 increased the width of block 28 from 0.65 inches (1.651 cm) to approximately 1.5 inches (3.81 cm).
- Slit 38 runs through an end of block 28 and is configured for receiving base 30 . In FIG. 5 , slit 36 runs 2 inches (5.08 cm) long and 0.188 inches (0.4775 cm) wide. Plate 26 and block 28 may be coupled via slit 38 to form installation tool 20 for use with a U-shaped component.
- FIG. 6 is a close-up view of flexible component 22 and insert 40 .
- Flexible component 22 is generally U-shaped and surrounds insert 40 .
- Insert 40 has generally rectangular body 42 , which is configured to lie substantially within flexible component 22 .
- Insert 40 also has edge 44 , which may protrude slightly from flexible component 22 .
- Flexible component 22 may comprise, but is not limited to, a flex circuit such as flex circuit 16 of FIG. 2 .
- Insert 40 may comprise, but is not limited to, deformable silicone rubber. Insert 40 is inserted into flexible component 22 to form a flexible assembly prior to use of an installation tool. The purpose of insert 40 is to provide uniform pressure while curing an adhesive and to provide rigidity to flexible component 22 , which may be necessary for proper installation of flexible component 22 into a U-shaped component. Insert 40 also provides edge 44 , which aids in attaching flexible component 22 to a support plate.
- FIG. 7 is a perspective view of flexible component 22 and insert 40 forming a flexible assembly which is attached to plate 26 .
- the flexible assembly may be attached to plate 26 .
- tape 46 attaches insert 40 to arm 32 .
- Insert 40 may include an edge (such as edge 44 in FIG. 6 ), which may protrude slightly from flexible component 22 and aid in attaching insert 40 to arm 32 . Because insert 40 is substantially within flexible component 22 , a flexible assembly is formed and attached to arm 32 . Additional tape 46 may be used to cover a majority of plate 26 . In covering plate 26 , tape 46 protects plate 26 from any coating of flexible component 22 with an adhesive. Once flexible component 22 and insert 40 are attached to plate 26 , flexible component 22 may be prepared for insertion into a U-shaped component.
- FIG. 8A is a block diagram of method 48 for using an installation tool to insert a flexible component into a U-shaped component.
- Method 48 includes: inserting an insert into a flexible component to form a flexible assembly (step 50 ), attaching the flexible assembly to a plate (step 52 ), coating the flexible component with an adhesive (step 54 ), coupling the plate to a block (step 56 ), resting the block on top of an open end of a U-shaped component (step 58 ), and sliding the plate into the U-shaped component (step 60 ).
- FIGS. 8B-8F illustrate the steps outlined in FIG. 8A .
- FIG. 8B is a perspective view of insert 40 being inserted into flexible component 22 (step 50 ). If insert 40 has body 42 and edge 44 , then body 42 should be inserted into flexible component 22 so that edge 44 protrudes slightly.
- Flexible component 22 may comprise, but is not limited to, a flex circuit. After insertion into flexible component 22 , a flexible assembly is created that may be attached to plate 26 (step 52 ).
- FIG. 8C is a perspective view of the flexible assembly (flexible component 22 and insert 40 ) attached to plate 26 (step 52 ) and masked with tape 46 to prevent adhesive application in undesirable locations. If insert 40 includes edge 44 , edge 44 may be used to attach insert 40 to support plate 26 and create flexible assembly. If plate 26 includes arm 32 , then insert 40 should be attached to arm 32 .
- flexible component 22 will be attached to plate 26 along with insert 40 .
- Tape 46 may be used to attach insert 40 to support plate 26 and to mask plate from adhesive contamination in undesirable locations such as support plate 26 .
- flexible component 22 is coated with an adhesive (step 54 ) in preparation for insertion into a U-shaped component.
- FIG. 8D is a perspective view of plate 26 coupled to block 28 .
- Block 28 may have slit 38 which receives base 30 of plate 26 thereby coupling plate 26 to block 28 .
- block 28 is positioned on top of an open end of U-shaped component (step 58 ).
- FIG. 8E is a perspective view of block 28 positioned on top of U-shaped component 24 .
- Block 28 may have lip 36 for positioning on top of U-shaped component 24 .
- U-shaped component 24 may comprise, but is not limited to, a fan inlet shroud fairing.
- FIG. 8F is a perspective view of plate 26 after sliding into U-shaped component 24 .
- Method 48 teaches how to insert flexible component 22 into U-shaped component 24 using installation tool 20 .
- FIG. 9A is a block diagram of method 62 for using an installation tool to complete installation of a flexible component in a U-shaped component.
- Method 62 includes: checking a horizontal alignment of the flexible component with respect to the U-shaped component (step 64 ), removing the block from the plate (step 66 ), disconnecting the flexible assembly from the plate (step 68 ), removing the plate (step 70 ), inserting a mandrel into the U-shaped component (step 72 ), and curing the adhesive (step 74 ).
- Method 62 may be used in conjunction with method 48 , but is not dependent on method 48 .
- FIGS. 9B-9F illustrate the steps outlined in FIG. 9A .
- FIG. 9B is a perspective view of indicator 35 on side arm 34 being used to check the horizontal alignment of plate 26 with respect to U-shaped component 24 . If alignment is satisfactory, disassembly of the tool may begin.
- Installation tool 20 may be disassembled while leaving flexible component 22 in its inserted location within U-shaped component 24 .
- Block 28 may be removed from plate 26 (step 66 ), by decoupling the coupling mechanism which held block 28 and plate 26 together.
- FIG. 9C is a perspective view of U-shaped component 24 with block 28 removed. After block 28 is removed, the flexible assembly (insert 40 and flexible component 22 ) may be disconnected from support plate 26 (step 68 ).
- FIG. 9D is a perspective view of the flexible assembly being disconnected from plate 26 . If tape 46 was used to attach the flexible assembly to plate 26 , tape 46 may be removed. After the flexible assembly is disconnected from plate 26 , plate 26 may be removed from U-shaped component 24 (step 70 ).
- FIG. 9E is a perspective view of U-shaped component 24 with plate 26 removed. Once disassembly of installation tool 20 is complete, flexible component 22 is fixed in its inserted location within U-shaped component 24 . If desired, mandrel 76 may be inserted into U-shaped component 24 (step 72 ). FIG. 9F is a perspective view of mandrel 76 inserted into U-shaped component 24 . After insertion of mandrel 76 into U-shaped component 24 , the adhesive may be cured (step 74 ) to assure flexible component 22 does not move from its intended location. Curing the adhesive may include applying pressure and/or heat to the adhesive. Method 62 teaches how to adhere a flexible component to an inner surface of the U-shaped component.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Automatic Assembly (AREA)
Abstract
An installation tool includes a block and a plate. The block is configured to align the installation tool with a U-shaped component. The plate extends from the block and is configured to hold a flexible component, such that the flexible component is accurately located within the U-shaped component.
Description
- The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of N00019-02-C-3003 awarded by the U.S. Navy.
- The present invention relates generally to an installation tool. More specifically, the present invention relates to an installation tool for installing a flexible part into a U-shaped component.
- The structural attributes of gas turbine engine components can be critical to engine performance. Sometimes a particular component will embody a structure that makes manufacturing processes, such as adhesive bonding, particularly difficult. For example, commonly assigned U.S. patent application Ser. No. 12/080,051, which is hereby incorporated by reference, discloses an improved architecture for embedded heating elements in a fan inlet shroud fairing with a U-shaped structure. Installing a flexible component into a U-shaped component proved difficult in manufacturing.
- An exemplary embodiment of the present invention is an installation tool including a block and a plate. The block is configured to align the installation tool with a U-shaped component. The plate extends from the block and is configured to hold a flexible component such that the flexible component is accurately located within the U-shaped component.
- Another exemplary embodiment of the present invention is an installation method for use with a U-shaped component. The method includes inserting an insert into a flexible component to form a flexible assembly, attaching the flexible assembly to a plate, coating the flexible component with an adhesive, coupling the plate to a block, positioning the block on top of an open end of a U-shaped component, and sliding the plate into the U-shaped component, wherein the plate guides the flexible component into a position for installation.
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FIG. 1 is a perspective view of a fan inlet case showing the relationship between a fan inlet shroud fairing and a strut ring. -
FIG. 2 is an exploded view of a fan inlet shroud fairing and a flex circuit. -
FIG. 3A is a perspective view of a plate coupled to a block installing a flexible component into a U-shaped component. -
FIG. 3B is an exploded view ofFIG. 3A . -
FIG. 4 is a perspective view of a plate coupled to a block, which is resting on top of a U-shaped component. -
FIG. 5 is a perspective view of a plate decoupled from a block. -
FIG. 6 is a close-up view of a flexible component and an insert. -
FIG. 7 is a perspective view of a flexible component and an insert attached to a plate. -
FIG. 8A is a block diagram of a method for using an installation tool. -
FIG. 8B is a perspective view of an insert being inserted into a flexible component. -
FIG. 8C is a perspective view of an insert attached to a plate. -
FIG. 8D is a perspective view of a plate coupled to a block. -
FIG. 8E is a perspective view of a block resting on top of a U-shaped component. -
FIG. 8F is a perspective view of a plate slid into a U-shaped component. -
FIG. 9A is a block diagram of an additional method for using an installation tool. -
FIG. 9B is a perspective view an indicator for checking the horizontal alignment of a flexible component with respect to a U-shaped component. -
FIG. 9C is a perspective view of U-shaped component with a block removed. -
FIG. 9D is a perspective view of an insert being disconnected from a plate. -
FIG. 9E is a perspective view of U-shaped component with a plate removed. -
FIG. 9F is a perspective view of a mandrel inserted into a U-shaped component. -
FIG. 1 is a perspective view offan inlet case 10 showing the relationship between faninlet shroud fairing 12 andstrut 14. A plurality ofstruts 14 in a spoke configuration generally comprisefan inlet case 10. Faninlet shroud fairing 12 is a U-shaped component that surrounds the generallyplanar strut 14. Before attaching fan inletshroud fairing 12 tostrut 14, it may be desirable to adhere a flex circuit to the interior of faninlet shroud fairing 12. -
FIG. 2 is an exploded view of faninlet shroud fairing 12 and aflex circuit 16.Flex circuit 16 is generally U-shaped and configured to nestle insideapex 18 of faninlet shroud fairing 12. In use,flex circuit 16 may nestle within a leading edge (as shown inFIG. 2 ) or span the entire length ofapex 18.Flex circuit 16 must be accurately and reproducibly placed withinapex 18 of faninlet shroud fairing 12 with uniform pressure and without dislodging adhesive fromflex circuit 16. Premature contact betweenflex circuit 16 and faninlet shroud fairing 12 is detrimental toflex circuit 16 adhesion and a source of contamination for faninlet shroud fairing 12 andstrut 14. An installation tool developed for installingflex circuit 16 intoapex 18 of faninlet shroud fairing 12 is described below. -
FIGS. 3A and 3B showadhesive installation tool 20 for installingflexible component 22 intoU-shaped component 24.Flexible component 22 may be a flex circuit (such asflex circuit 16 ofFIG. 2 ) andU-shaped component 24 may be a fan inlet shroud fairing (such as fan inlet shroud fairing 12 ofFIG. 2 ).U-shaped component 24 may rest incradle 25.Cradle 25 is not necessary for use ofinstallation tool 20, but aids in securely holdingU-shaped component 24 while usinginstallation tool 20.Adhesive installation tool 20 includesplate 26 extending fromblock 28.Plate 26 includesbase 30,arm 32, andside arm 34.Arm 32 extends perpendicularly from one end ofbase 30.Side arm 34 extends perpendicularly from an approximate middle ofarm 32 parallel tobase 30 and may include indicator 35.Block 28 haslip 36 and slit 38.Lip 36 extends from a surface ofblock 28 and surrounds approximatelyrectangular block 28 to form a ridge.Slit 38 runs through an end ofblock 28. - The length and width of
arm 32 are sufficient to supportflexible component 22.Side arm 34 is positioned onarm 32 at a predetermined distance to aid in supportingflexible component 22.Side arm 34 may also include indicator 35 to aid in horizontally aligningflexible component 22 with respect toU-shaped component 24.Base 30 is designed to couple withblock 28. Preferably, slit 38 receives an edge ofbase 30 so thatplate 26 is removably coupled to and extends fromblock 28.Lip 36 creates a ridge aroundblock 28, which is configured to aligninstallation tool 20 withU-shaped component 24. The position oflip 36 onblock 28 is dependent on the desired vertical alignment offlexible component 22 inU-shaped component 24. Together block 28 andplate 26 formadhesive installation tool 20 capable of installingflexible component 22 intoU-shaped component 24. -
FIG. 4 is a perspective view ofplate 26 coupled to block 28, which is resting on top ofU-shaped component 24.Block 28 is surrounded bylip 36.Plate 26 and block 28 are in the same physical relationship described forFIGS. 3A and 3B , which need not be repeated here.FIG. 4 illustrates howlip 36 may rest on top ofU-shaped component 24 during installation of a flexible component. Whenplate 26 is coupled to block 28 andlip 36 is resting on top ofU-shaped component 24,plate 26 slides intoU-shaped component 24. Whenplate 26 slides into an open end ofU-shaped component 24, it carriesflexible component 22 into a predetermined position withinU-shaped component 24. After sliding intoU-shaped component 24,plate 26 hangs fromblock 28, which continues to rest on top ofU-shaped component 24 vialip 36.Flexible component 22 is thus installed at a particular depth withinU-shaped component 24. The position oflip 36 onblock 28 determines the vertical alignment offlexible component 22 inU-shaped component 24, which inFIG. 4 is the leading edge of the apex ofU-shaped component 24. The combination ofplate 26 and block 28 provides for accurate and reproducible positioning of a flexible component withinU-shaped component 24. -
FIG. 5 is a perspective view ofplate 26 decoupled fromblock 28.Plate 26 includesbase 30,arm 32, andside arm 34 with indicator 35.Arm 32 extends perpendicularly from one end ofbase 30 so thatplate 20 assumes a shape resembling the letter “L”.Plate 26 may also assume a double L-shaped configuration wherein two arms extend perpendicularly from a single base in opposite directions. In the embodiment depicted inFIG. 5 ,base 30 is approximately 2.5 inches (6.35 cm) wide and approximately 6 inches (15.24 cm) long.Arm 32 is approximately 1 inch (2.54 cm) wide and approximately 16 inches (40364 cm) long.Plate 26 is approximately 0.18 inches (0.4572 cm) thick. In another embodiment,plate 26 is approximately 0.25 inches (0.635 cm) thick.Plate 26 may be comprised of metal, such as aluminum.Side arm 34 extends perpendicularly from an approximate middle ofarm 32 parallel tobase 30 and is configured to support a flexible component. InFIG. 5 ,side arm 34 is approximately 1 inch (2.54 cm) wide and extends approximately 2.5 inches (6.35 cm) fromarm 32 at a distance approximately 9.25 inches (23.495 cm) frombase 30.Side arm 34 may include indicator 35 which may simply comprise a line or indentation in the approximate middle ofside arm 34. Indicator 35 is configured to aid in the horizontal alignment of a flexible component with respect to a U-shaped component. -
Block 28 may be approximately rectangular and comprise any sturdy material that will not damage a U-shaped component such as, but not limited, to nylon. In the embodiment depicted inFIG. 5 , block 28 is approximately 3 inches (7.62 cm) tall, 5 inches (12.7 cm) long, and 0.65 inches (1.651 cm) thick.Lip 36 extends from a surface ofblock 28 and surroundsblock 28 to form a ridge. InFIG. 5 ,lip 36 increased the width ofblock 28 from 0.65 inches (1.651 cm) to approximately 1.5 inches (3.81 cm).Slit 38 runs through an end ofblock 28 and is configured for receivingbase 30. InFIG. 5 , slit 36 runs 2 inches (5.08 cm) long and 0.188 inches (0.4775 cm) wide.Plate 26 and block 28 may be coupled via slit 38 to forminstallation tool 20 for use with a U-shaped component. -
FIG. 6 is a close-up view offlexible component 22 andinsert 40.Flexible component 22 is generally U-shaped and surroundsinsert 40.Insert 40 has generallyrectangular body 42, which is configured to lie substantially withinflexible component 22.Insert 40 also hasedge 44, which may protrude slightly fromflexible component 22.Flexible component 22 may comprise, but is not limited to, a flex circuit such asflex circuit 16 ofFIG. 2 .Insert 40 may comprise, but is not limited to, deformable silicone rubber.Insert 40 is inserted intoflexible component 22 to form a flexible assembly prior to use of an installation tool. The purpose ofinsert 40 is to provide uniform pressure while curing an adhesive and to provide rigidity toflexible component 22, which may be necessary for proper installation offlexible component 22 into a U-shaped component.Insert 40 also providesedge 44, which aids in attachingflexible component 22 to a support plate. -
FIG. 7 is a perspective view offlexible component 22 and insert 40 forming a flexible assembly which is attached to plate 26. Afterinsert 40 is inserted intoflexible component 22 to create a flexible assembly, the flexible assembly may be attached toplate 26. Specifically,tape 46 attachesinsert 40 toarm 32.Insert 40 may include an edge (such asedge 44 inFIG. 6 ), which may protrude slightly fromflexible component 22 and aid in attachinginsert 40 toarm 32. Becauseinsert 40 is substantially withinflexible component 22, a flexible assembly is formed and attached toarm 32.Additional tape 46 may be used to cover a majority ofplate 26. In coveringplate 26,tape 46 protectsplate 26 from any coating offlexible component 22 with an adhesive. Onceflexible component 22 and insert 40 are attached to plate 26,flexible component 22 may be prepared for insertion into a U-shaped component. -
FIG. 8A is a block diagram ofmethod 48 for using an installation tool to insert a flexible component into a U-shaped component.Method 48 includes: inserting an insert into a flexible component to form a flexible assembly (step 50), attaching the flexible assembly to a plate (step 52), coating the flexible component with an adhesive (step 54), coupling the plate to a block (step 56), resting the block on top of an open end of a U-shaped component (step 58), and sliding the plate into the U-shaped component (step 60).FIGS. 8B-8F illustrate the steps outlined inFIG. 8A . -
FIG. 8B is a perspective view ofinsert 40 being inserted into flexible component 22 (step 50). Ifinsert 40 hasbody 42 andedge 44, thenbody 42 should be inserted intoflexible component 22 so thatedge 44 protrudes slightly.Flexible component 22 may comprise, but is not limited to, a flex circuit. After insertion intoflexible component 22, a flexible assembly is created that may be attached to plate 26 (step 52).FIG. 8C is a perspective view of the flexible assembly (flexible component 22 and insert 40) attached to plate 26 (step 52) and masked withtape 46 to prevent adhesive application in undesirable locations. Ifinsert 40 includesedge 44,edge 44 may be used to attachinsert 40 to supportplate 26 and create flexible assembly. Ifplate 26 includesarm 32, then insert 40 should be attached toarm 32. Becauseinsert 40 has been inserted intoflexible component 22, thereby forming a flexible assembly,flexible component 22 will be attached to plate 26 along withinsert 40.Tape 46 may be used to attachinsert 40 to supportplate 26 and to mask plate from adhesive contamination in undesirable locations such assupport plate 26. After attachment,flexible component 22 is coated with an adhesive (step 54) in preparation for insertion into a U-shaped component. - Once
flexible component 22 has been coated with adhesive,plate 26 is coupled to a block 28 (step 56).FIG. 8D is a perspective view ofplate 26 coupled to block 28.Block 28 may have slit 38 which receivesbase 30 ofplate 26 thereby couplingplate 26 to block 28. Once coupled, block 28 is positioned on top of an open end of U-shaped component (step 58).FIG. 8E is a perspective view ofblock 28 positioned on top ofU-shaped component 24.Block 28 may havelip 36 for positioning on top ofU-shaped component 24.U-shaped component 24 may comprise, but is not limited to, a fan inlet shroud fairing. Onceblock 28 is positioned on top ofU-shaped component 24,plate 26 is slid into U-shaped component 24 (step 60) as indicated by arrow A. When sliding intoU-shaped component 24,plate 26 guidesflexible component 22 into a predetermined position for installation.FIG. 8F is a perspective view ofplate 26 after sliding intoU-shaped component 24.Method 48 teaches how to insertflexible component 22 intoU-shaped component 24 usinginstallation tool 20. -
FIG. 9A is a block diagram ofmethod 62 for using an installation tool to complete installation of a flexible component in a U-shaped component.Method 62 includes: checking a horizontal alignment of the flexible component with respect to the U-shaped component (step 64), removing the block from the plate (step 66), disconnecting the flexible assembly from the plate (step 68), removing the plate (step 70), inserting a mandrel into the U-shaped component (step 72), and curing the adhesive (step 74).Method 62 may be used in conjunction withmethod 48, but is not dependent onmethod 48.FIGS. 9B-9F illustrate the steps outlined inFIG. 9A . - When
plate 26 is slid inside ofU-shaped component 24, it assumes a vertical position determined byblock 28. It may, however, be desirable to check the horizontal alignment of plate 26 (carrying flexible component 22) with respect to U-shaped component 24 (step 64).FIG. 9B is a perspective view of indicator 35 onside arm 34 being used to check the horizontal alignment ofplate 26 with respect toU-shaped component 24. If alignment is satisfactory, disassembly of the tool may begin. -
Installation tool 20 may be disassembled while leavingflexible component 22 in its inserted location withinU-shaped component 24.Block 28 may be removed from plate 26 (step 66), by decoupling the coupling mechanism which heldblock 28 andplate 26 together.FIG. 9C is a perspective view ofU-shaped component 24 withblock 28 removed. Afterblock 28 is removed, the flexible assembly (insert 40 and flexible component 22) may be disconnected from support plate 26 (step 68).FIG. 9D is a perspective view of the flexible assembly being disconnected fromplate 26. Iftape 46 was used to attach the flexible assembly to plate 26,tape 46 may be removed. After the flexible assembly is disconnected fromplate 26,plate 26 may be removed from U-shaped component 24 (step 70).FIG. 9E is a perspective view ofU-shaped component 24 withplate 26 removed. Once disassembly ofinstallation tool 20 is complete,flexible component 22 is fixed in its inserted location withinU-shaped component 24. If desired,mandrel 76 may be inserted into U-shaped component 24 (step 72).FIG. 9F is a perspective view ofmandrel 76 inserted intoU-shaped component 24. After insertion ofmandrel 76 intoU-shaped component 24, the adhesive may be cured (step 74) to assureflexible component 22 does not move from its intended location. Curing the adhesive may include applying pressure and/or heat to the adhesive.Method 62 teaches how to adhere a flexible component to an inner surface of the U-shaped component. - While the invention has been described with reference to an exemplary embodiment(s), it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment(s) disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (20)
1. An installation tool comprising:
a block to align the installation tool with a U-shaped component; and
a plate extending from the block configured to hold a flexible component such that the flexible component is accurately located within the U-shaped component.
2. The installation tool of claim 1 , further comprising:
a lip extending from a surface of the block to align the installation tool with the U-shaped component.
3. The installation tool of claim 1 , wherein the block has a slit for receiving the plate and coupling thereto.
4. The installation tool of claim 1 , further comprising:
at least one insert having a body and an edge, the body configured for insertion into the flexible component, the edge extending beyond the flexible component and configured for attachment to the support plate.
5. The installation tool of claim 1 , wherein the plate has a base and an arm, the base removably coupled to the block, the arm extending perpendicularly from an end of the base and configured to carry the flexible component into the U-shaped component for installation.
6. The installation tool of claim 5 , further comprising:
a side arm extending perpendicularly from the arm, the side arm configured to support the flexible component.
7. The installation tool of claim 6 , further comprising:
an indicator located on the side arm, the indicator configured for horizontally aligning the flexible component in the U-shaped component.
8. The installation tool of claim 1 , wherein the block is approximately rectangular.
9. The installation tool of claim 1 , wherein the support plate is aluminum.
10. The installation tool of claim 1 , further comprising:
a cradle for holding the U-shaped component during use of the installation tool.
11. The installation tool of claim 4 ,
wherein the flexible component is a flex circuit;
wherein the U-shaped component is a fan inlet shroud fairing;
wherein the block has a lip extending from a surface and around the block to align the installation tool with the fan inlet shroud fairing; and
wherein the plate has a base, an arm, a side arm, and an indicator, the base removably coupled to a slit in the block, the arm extending perpendicularly from an end of the base, the side arm extending perpendicularly from the arm, the indicator located on the side arm and configured for horizontally aligning the flex circuit in the fan inlet shroud fairing.
12. A method comprising:
inserting an insert into a flexible component to form a flexible assembly;
attaching the flexible assembly to a plate;
coating the flexible component with an adhesive;
coupling the plate to a block;
positioning the block on top of an open end of a U-shaped component; and
sliding the plate into the U-shaped component, wherein the plate guides the flexible component into a position for installation.
13. The method of claim 12 , further comprising:
covering a remainder of the plate with a material; and
removing the material covering the remainder of the plate.
14. The method of claim 12 , further comprising:
checking the horizontal alignment of the flexible component with respect to the U-shaped component.
15. The method of claim 12 , further comprising:
removing the block from the plate;
disconnecting the insert from the plate;
removing the plate; and
curing the adhesive, to adhere the flexible component to an inner surface of the U-shaped component.
16. The method of claim 15 , further comprising:
inserting a mandrel into the U-shaped component after removing the plate.
17. The method of claim 15 , wherein curing the adhesive includes at least one of applying pressure and heat to the adhesive.
18. The method of claim 12 , wherein the flexible component is a flex circuit and the U-shaped component is a fan inlet shroud fairing.
19. The method of claim 18 , further comprising:
placing the fan inlet shroud fairing in a cradle before positioning the block on top of the open end of the fan inlet shroud fairing.
20. The method of claim 19 further comprising:
removing the fan inlet shroud fairing from the cradle after the flex circuit is positioned for installation within the fan inlet shroud fairing.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/182,783 US20100024612A1 (en) | 2008-07-30 | 2008-07-30 | Installation tool for use with u-shaped component |
US13/633,648 US8875374B2 (en) | 2008-07-30 | 2012-10-02 | Method of installing a flexible component in a U-shaped component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/182,783 US20100024612A1 (en) | 2008-07-30 | 2008-07-30 | Installation tool for use with u-shaped component |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/633,648 Division US8875374B2 (en) | 2008-07-30 | 2012-10-02 | Method of installing a flexible component in a U-shaped component |
Publications (1)
Publication Number | Publication Date |
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US20100024612A1 true US20100024612A1 (en) | 2010-02-04 |
Family
ID=41606979
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US12/182,783 Abandoned US20100024612A1 (en) | 2008-07-30 | 2008-07-30 | Installation tool for use with u-shaped component |
US13/633,648 Active 2028-09-11 US8875374B2 (en) | 2008-07-30 | 2012-10-02 | Method of installing a flexible component in a U-shaped component |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US13/633,648 Active 2028-09-11 US8875374B2 (en) | 2008-07-30 | 2012-10-02 | Method of installing a flexible component in a U-shaped component |
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US (2) | US20100024612A1 (en) |
Cited By (1)
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US10385868B2 (en) * | 2016-07-05 | 2019-08-20 | General Electric Company | Strut assembly for an aircraft engine |
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Also Published As
Publication number | Publication date |
---|---|
US20130067717A1 (en) | 2013-03-21 |
US8875374B2 (en) | 2014-11-04 |
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