Components having vibration dampers enclosed therein and methods of forming such components

Patent metadata

Field	Value
Publication number	US-10987733-B2
Application number	US-201815903010-A
Country	US
Kind code	B2
Filing date	Feb 22, 2018
Priority date	Aug 21, 2013
Publication date	Apr 27, 2021
Grant date	Apr 27, 2021

Abstract

A component formed by an additive manufacturing process includes a body and a first vibration damper. The body is formed from an additive manufacturing material, and defines at least a first cavity completely enclosed within the body. The first vibration damper is disposed within the first cavity. The first vibration damper includes a flowable medium and a first solidified element formed from the additive manufacturing material. The flowable medium surrounds the first solidified element.

First claim

What is claimed is:

1. A component formed by an additive manufacturing process, said component comprising:
a body formed from an additive manufacturing material, said body defining at least a first cavity completely enclosed within said body and a second cavity completely enclosed within said body;
a first vibration damper disposed within said first cavity, said first vibration damper comprising:
a first flowable medium; and
a first solidified element formed from the additive manufacturing material,

wherein said first flowable medium surrounds said first solidified element and wherein said first solidified element is mechanically detached from said body and at least partially suspended by said first flowable medium; and
a second vibration damper disposed within said second cavity, said second vibration damper comprising:
a second flowable medium;
a second solidified element formed from the additive manufacturing material,

wherein said second flowable medium surrounds said second solidified element; and
a connecting element coupling the second solidified element to a cavity wall of the second cavity.

2. The component in accordance with claim 1 , wherein said first and/or second solidified element is shaped substantially complementary to said first cavity.

3. The component in accordance with claim 1 , wherein said first vibration damper further comprises an additional solidified element formed from the additive manufacturing material, said flowable medium surrounding said second additional solidified element.

4. The component in accordance with claim 1 , wherein said first and/or second cavity has a volume enclosed therein, and wherein said first solidified element and said flowable medium occupy at least about 95% of the volume enclosed by said first cavity.

5. The component in accordance with claim 1 , wherein said first and/or second flowable medium comprises unsolidified additive manufacturing material.

6. The component in accordance with claim 1 , wherein said additive manufacturing material comprises one of a metal powder, a thermoplastic powder, a photopolymer resin, a thermoset resin, a thermoplastic resin, or combinations thereof.

7. A gas turbine engine comprising:
a combustor assembly including a plurality of fuel mixers;
a turbine assembly including a plurality of turbine blades; and
a compressor assembly including a plurality of fan blades, at least one of said combustor assembly, fuel mixers, turbine blades, and fan blades comprising a component formed according to claim 1 .

8. The gas turbine engine in accordance with claim 7 , wherein said first solidified element is shaped substantially complementary to said first cavity.

9. The gas turbine engine in accordance with claim 7 , wherein said first vibration damper further comprises an additional solidified element formed from the additive manufacturing material, said first flowable medium surrounding said second additional solidified element.

10. The gas turbine engine in accordance with claim 7 , wherein said first cavity has a volume enclosed therein, and wherein said first solidified element and said first flowable medium occupy at least about 95% of the volume enclosed by said first cavity.

11. The gas turbine engine in accordance with claim 7 , wherein said first flowable medium comprises unsolidified additive manufacturing material.

12. The gas turbine engine in accordance with claim 7 , wherein said additive manufacturing material comprises one of a metal powder, a thermoplastic powder, a photopolymer resin, a thermoset resin, a thermoplastic resin, or combinations thereof.

13. The component in accordance with claim 1 , wherein said first cavity has a volume enclosed therein, and wherein the first solidified element occupies a range of between about 20% and about 90% of the volume enclosed by the first cavity.

14. The component in accordance with claim 13 , wherein the first solidified element occupies a range of between about 50% and about 80% of the volume enclosed by the first cavity.

15. The component in accordance with claim 13 , wherein the first flowable medium occupies a range of between about 20% to about 50% of the volume enclosed by the first cavity.

16. The component in accordance with claim 1 , wherein said connecting element is configured to be mechanically detached from at least one of the cavity wall or the second solidified element.

Assignees

• Gen Electric

Inventors

• Erno Daniel Jason
• Hedeen Robert Arvin
• Singh Prabhjot

Classifications

• B22F5/009 Primary

  of turbine components other than turbine blades (of turbine blades B22F5/04) · CPC title

• B22F10/66

  by mechanical means · CPC title

• B22F10/40

  Structures for supporting workpieces or articles during manufacture and removed afterwards · CPC title

• B22F10/28

  Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM] · CPC title

• Y02P10/25

  Process efficiency · CPC title