DE756173A - - Google Patents

Info

Publication number

DE756173A

DE756173A DE756173A DE 756173 A DE756173 A DE 756173A DE 756173 A DE756173 A DE 756173A

Authority

DE

Germany

Prior art keywords

valve

vent valve

breathing

behind

air

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 230000029058 respiratory gaseous exchange Effects 0.000 claims description 30
• 238000004140 cleaning Methods 0.000 claims description 4
• 230000000241 respiratory effect Effects 0.000 claims description 2
• 238000009423 ventilation Methods 0.000 description 6
• 238000004887 air purification Methods 0.000 description 3
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
• 239000001301 oxygen Substances 0.000 description 3
• 229910052760 oxygen Inorganic materials 0.000 description 3
• 238000007664 blowing Methods 0.000 description 2
• 239000007789 gas Substances 0.000 description 2
• 210000004072 lung Anatomy 0.000 description 2
• 230000001154 acute effect Effects 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000011144 upstream manufacturing Methods 0.000 description 1
• 238000013022 venting Methods 0.000 description 1