DE288430C - - Google Patents
Info
- Publication number
- DE288430C DE288430C DENDAT288430D DE288430DA DE288430C DE 288430 C DE288430 C DE 288430C DE NDAT288430 D DENDAT288430 D DE NDAT288430D DE 288430D A DE288430D A DE 288430DA DE 288430 C DE288430 C DE 288430C
- Authority
- DE
- Germany
- Prior art keywords
- mouthpiece
- breathing
- rotary valve
- outside air
- openings
- 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.)
- Active
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 238000004887 air purification Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 description 2
- 208000001705 Mouth breathing Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE288430C true DE288430C (enExample) |
Family
ID=543555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT288430D Active DE288430C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE288430C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3147752A (en) * | 1959-11-30 | 1964-09-08 | Spirotechnique | Mouthpiece for breathing apparatus |
-
0
- DE DENDAT288430D patent/DE288430C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3147752A (en) * | 1959-11-30 | 1964-09-08 | Spirotechnique | Mouthpiece for breathing apparatus |
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