A disclosed connector assembly for a refrigerant system mounted within an aircraft includes a metal seal disposed within a seal bore of a connector and compressed against a seal face of a nipple secured to the connector by a threaded member. The connector includes a seal bore that receives the metal
A disclosed connector assembly for a refrigerant system mounted within an aircraft includes a metal seal disposed within a seal bore of a connector and compressed against a seal face of a nipple secured to the connector by a threaded member. The connector includes a seal bore that receives the metal seal with the inner portion of the seal bore open to the bore. In one example, the connector and nut are formed from aluminum and the nipple is formed from stainless steel and includes an aluminum coating applied to surfaces in contact with the metal seal and the connector.
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1. An aircraft refrigerant line connector assembly comprising: a connector including a bore, an end face, a seal bore and external threads, wherein the seal bore is open to the bore on a radially inward side and defined by an outer wall concentric about the bore;a nipple including a shoulder and a s
1. An aircraft refrigerant line connector assembly comprising: a connector including a bore, an end face, a seal bore and external threads, wherein the seal bore is open to the bore on a radially inward side and defined by an outer wall concentric about the bore;a nipple including a shoulder and a seal face;a securing member including internal threads for engaging the external threads of the connector for holding the end face against the seal face; anda metal seal received within the seal bore, the metal seal comprising a metal substrate having a coating comprising a metal material bonded to the metal substrate that is softer than the metal substrate, wherein the coating comprises a continuous uninterrupted outer surface of the metal seal disposed in sealing engagement with a surface of the seal bore and the seal face. 2. The aircraft refrigerant line connector assembly as recited in claim 1, wherein the seal bore comprises a bore larger and concentric with the bore through the connector and nipple that includes a depth less than a thickness of the metal seal. 3. The aircraft refrigerant line connector assembly as recited in claim 1, wherein the connector and the nipple comprise stainless steel and the coating on the metal substrate of the metal seal comprises one of a gold and silver material. 4. The aircraft refrigerant line connector assembly as recited in claim 1, wherein the connector comprises an aluminum material, the nipple comprises a stainless steel material and the coating on the metal seal comprises an aluminum material, wherein the nipple includes a coating of aluminum material on the seal face and the shoulder. 5. The aircraft refrigerant line connector assembly as recited in claim 1, wherein the connector, the nipple and the coating of the metal seal comprise an aluminum material. 6. A method of installing a refrigerant system within an aircraft comprising: attaching a connector to a first end of a conduit of the refrigerant circuit, wherein the connector includes a bore and a seal bore concentric with and open to the bore;attaching a nipple to a second end of a conduit of the refrigerant circuit, wherein the nipple includes a seal face disposed transverse to the bore;providing a metal seal formed of a coating bonded to a metal substrate, wherein the metal seal defines a continuous uninterrupted outer surface;mounting the seal formed of metal within the seal bore defined by the connector; andsecuring the nipple to the connector to deform the metal seal within the seal bore for forming a seal between the connector and the nipple. 7. The method as recited in claim 6, including the step of forming the connector of an aluminum material and the nipple of a stainless steel material, and coating the seal face and shoulder of the nipple with an aluminum coating. 8. The method as recited in claim 6, including the step of forming an outer surface of the metal seal from an aluminum material. 9. The method as recited in claim 6, including the step of forming the connector and the nipple of the same material and forming at least an outer surface of the metal seal from material including one of a gold and silver material. 10. The aircraft refrigerant line connector as recited in claim 1, wherein the metal substrate comprises a solid core of material. 11. The aircraft refrigerant line connector as recited in claim 1, wherein the continuous uninterrupted outer surface of the metal substrate is uninterrupted about a circumference of the metal seal in cross-section parallel to the seal bore. 12. An aircraft refrigerant system comprising: a refrigerant system configured for mounting to a support structure within an aircraft;a connector including a bore, an end face, a seal bore and external threads, wherein the seal bore is open to the bore on a radially inward side and defined by an outer wall concentric about the bore;a nipple including a shoulder and a seal face;a securing member including internal threads for engaging the external threads of the connector for holding the end face against the seal face; anda metal seal received within the seal bore, the metal seal comprising a metal substrate having a coating comprising a metal material bonded to the metal substrate that is softer than the metal substrate, the metal seal disposed in sealing engagement with a surface of the seal bore and the seal face. 13. The aircraft refrigerant system as recited in claim 12, wherein the seal bore comprises a bore larger and concentric with the bore through the connector and nipple that includes a depth less than a thickness of the metal seal. 14. The aircraft refrigerant system as recited in claim 12, wherein the connector and the nipple comprise stainless steel and the coating on the metal substrate of the metal seal comprises one of a gold and silver material. 15. The aircraft refrigerant system as recited in claim 12, wherein the connector comprises an aluminum material, the nipple comprises a stainless steel material and the coating on the metal seal comprises an aluminum material, wherein the nipple includes a coating of aluminum material on the seal face and the shoulder. 16. The aircraft refrigerant system as recited in claim 12, wherein the connector, the nipple and the coating of the metal seal comprise an aluminum material. 17. The aircraft refrigerant system as recited in claim 12, wherein the coating comprises a continuous uninterrupted outer surface of the metal seal.
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Sutter ; Jr. Leroy V. (6301 Summertime La. Culver City CA 90230) Cameron Harold A. (635 W. Baker St. ; M-103 Costa Mesa CA 92626), Seal formed out of a hard metal with a plating of soft metals.
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