Downhole portable refuge apparatus

Downhole portable refuge apparatus

  • CN 101,498,226 B
  • Filed: 03/06/2009
  • Issued: 01/02/2013
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
Patent Images

1. downhole portable refuge apparatus, it is characterized in that, comprise:

  • oxygen cell, be filled with Compressed Gas gas cylinder and by inflatable pair of overcoat form be used for taking refuge the cabin body, described gas cylinder is by valve and the two overcoats of pipeline connection, and it is inner that described oxygen cell places or be communicated to the cabin body;

    Described oxygen cell is oxygen storage unit or spontaneous oxygen cell;

    Described Compressed Gas is air or nitrogen;

    Described oxygen cell is supplemental oxygen in the body of cabin constantly;

    Described refuge apparatus foldable for storage, single carrying.

View all claims

    Thank you for your feedback