Shim to maintain gap during engine assembly

Patent metadata

Field	Value
Publication number	US-10036503-B2
Application number	US-201514685118-A
Country	US
Kind code	B2
Filing date	Apr 13, 2015
Priority date	Apr 13, 2015
Publication date	Jul 31, 2018
Grant date	Jul 31, 2018

Abstract

Aspects of the disclosure are directed to a tube of an engine of an aircraft configured to transfer a fluid, a boss of the engine, and a shim coupled to at least one of the tube and the boss that is configured to maintain a gap between the tube and the boss when the engine is assembled.

First claim

What is claimed is:

1. A system comprising:
an internal tube of an engine of an aircraft configured to transfer a fluid;
a boss of the engine; and
a shim coupled to at least one of the tube and the boss that is configured to maintain a gap between the tube and the boss when the engine is assembled,
wherein the shim is configured to vaporize at a temperature that is less than an operating temperature associated with the engine, and
wherein the shim is configure as a split-ring to surround the tube.

2. The system of claim 1 , wherein the fluid comprises an airflow.

3. The system of claim 1 , wherein the shim is made of wax.

4. The system of claim 1 , wherein the shim is made of plastic.

5. The system of claim 1 , wherein the shim is made of polyethylene.

6. The system of claim 1 , further comprising:
a seal coupled to the tube.

7. The system of claim 1 , further comprising:
a rod coupled to the tube.

8. The system of claim 7 , further comprising:
an outer case,
wherein the rod is coupled to the outer case.

9. The system of claim 8 , further comprising:
an inner case,
wherein the rod is coupled to the inner case.

10. The system of claim 1 , further comprising:
a second boss coupled to the boss.

11. The system of claim 10 , wherein the second boss is coupled to the boss via an inner case of the engine.

12. The system of claim 1 , further comprising:
an inner case,
wherein the boss is mounted to the inner case.

Assignees

• United Technologies Corp

Inventors

• Cherolis Anthony P
• Broulidakis Alexander
• Hough Matthew A
• Lemoine Jonathan
• Treat Christopher

Classifications

• F16L21/035

  placed around the spigot end before connection ({F16L21/022,} F16L21/025 take precedence) · CPC title

• F05D2300/43

  Synthetic polymers, e.g. plastics; Rubber · CPC title

• F01D9/065 Primary

  Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids (see also F01D25/16, F01D25/24 and F01D25/26) · CPC title

• F16L55/00 Primary

  Devices or appurtenances for use in, or in connection with, pipes or pipe systems (F16L1/00 - F16L53/00, F16L57/00, F16L59/00 take precedence; repairing or joining pipes on or under water F16L1/26; cleaning of pipes B08B9/02, e.g. removal of blockages B08B9/027; devices for preventing bursting of water pipes by freezing E03B7/10) · CPC title

• F05D2240/58

  Piston ring seals · CPC title