Semi-sleeve metal seal integral with a tube

Semi-sleeve metal seal integral with a tube

  • CN 104,254,671 B
  • Filed: 04/18/2013
  • Issued: 03/17/2020
  • Est. Priority Date: 04/27/2012
  • Status: Active Grant
First Claim
Patent Images

1. A spoolie metal seal having an integral tube, said spoolie metal seal comprising:

  • a service tube comprising a first portion and a second portion, the service tube extending across an air gap and defining a service path between a relatively higher temperature service area and a relatively lower temperature service area;

    a seal disposed around the service tube closer to the relatively lower temperature service area; and

    a spoolie seal engaging an annular surface of the service tube, the spoolie seal engaging the service tube closer to the relatively higher temperature service area, the spoolie seal being a double spherical structure.

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