# US 8,356,635 B2 · Fluid transport device, in particular for fuel

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- Number: US 8,356,635 B2
- Document ID: US8356635B2
- Status: Granted
- Kind: B2
- Application number: 12/615,567
- Filed: 2009-11-10
- Published: 2010-05-20
- Granted: 2013-01-22
- Earliest claimed: 2008-11-20
- Assignees: Espa
- Applicants: Julien Bouleti; Christina Gonzalez Bayon; Daniel Mahin
- Inventors: Julien Bouleti; Christina Gonzalez Bayon; Daniel Mahin
- Web page: https://patentgrep.com/patent/US8356635B2

## CPC

- F16L 25/01: specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
- A62C 3/08: in aircraft {(A62C3/0207 takes precedence)}
- B64D 37/32: Safety measures not otherwise provided for, e.g. preventing explosive conditions
- F16L 25/02: specially adapted for electrically insulating the two pipe ends of the joint from each other
- Y02T 50/40: Weight reduction
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10)
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

The invention relates to a fluid transport device for incorporating in a structure that is not electrically insulating, in particular being made of a composite and including an electrically resistive tube, with conductive end pieces including means for fastening to said structure, wherein the tube comprises a central section having resistance of less than 10*4Ω per meter of length and two end sections, at least one of which presents effective resistance lying in the range of 10 Ωk to 500 Ωk and terminating in an end coupling; at least one conductive end piece and an end section having a said effective resistance lying in the range of 100 Ωk to 500 Ωk, said effective resistance being defined as the value of the resistance of the end section between the central section and the conductive element.

## Claims

### Claim 1

A fluid transport device for incorporating in a structure that is not electrically insulating, in particular being made of a composite and including an electrically resistive tube, with conductive endpieces including means for fastening to said structure, wherein the tube comprises:
a central section having resistance of less than 104Ω per meter of length; and
two end sections, at least one of which presents effective resistance lying in the range of 100 kΩ to 500 kΩ and terminating in an end coupling;
at least one conductive element electrically connecting a conductive endpiece and an end section having a said effective resistance lying in the range of 100 kΩ to 500 kΩ, said effective resistance being defined as the value of the resistance of the end section between the central section and the conductive element.

### Claim 2 (depends on 1)

A device according to claim 1, including two end sections presenting an effective resistance lying in the range of 100 kΩ to 500 kΩ and two said conductive elements each connecting one end section to the corresponding conductive endpiece.

### Claim 3 (depends on 1)

A device according to claim 1, wherein at least one conductive element is a conductive wire.

### Claim 4 (depends on 1)

A device according to claim 1, wherein at least one conductive element is a conductive gasket.

### Claim 5 (depends on 1)

A device according to claim 1, including two end sections presenting respective effective resistances lying in the range of 100 kΩ to 500 kΩ and at least one said conductive element disposed on a single end section and connecting it to the corresponding conductive endpiece.

### Claim 6 (depends on 1)

A device according to claim 1, including a first end section presenting resistance lying in the range of 100 kΩ to 500 kΩ and a second end section presenting effective resistance less than said value, and at least one said conductive element disposed on the second end section and connecting it to the corresponding conductive endpiece.

### Claim 7 (depends on 1)

A device according to claim 1, wherein the central section is made of a thermoplastic, thermosetting, or elastomer material with conductive fillers.

### Claim 8 (depends on 1)

A device according to claim 1, wherein at least one end section is made of a material filled with fiberglass and conductive particles.

### Claim 9 (depends on 1)

A device according to claim 1, wherein at least one end coupling is made of a thermoplastic or thermosetting material with optional conductive fillers.

### Claim 10 (depends on 1)

A device according to claim 1, wherein at least one end section includes an extension of the central section, which extension is surrounded in succession by a conductive sleeve and an end coupling.