Oxygen Purge System
E1031249
The Oxygen Purge System is an emergency life-support backpack used with the Apollo spacesuit to provide astronauts with a temporary independent supply of breathable oxygen if the primary system failed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oxygen Purge System canonical | 2 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
emergency oxygen supply
ⓘ
life-support system ⓘ spacecraft equipment ⓘ |
| activationCondition | primary life-support system failure ⓘ |
| associatedWith |
Apollo lunar EVA safety procedures
ⓘ
NASA life-support engineering ⓘ |
| category |
emergency equipment
ⓘ
space suit component ⓘ |
| connectedTo |
Apollo spacesuit ventilation system
ⓘ
astronaut helmet ⓘ |
| designedFor |
extravehicular activity
ⓘ
lunar surface operations ⓘ |
| developedBy | NASA NERFINISHED ⓘ |
| developedFor | Apollo program NERFINISHED ⓘ |
| environment |
lunar surface
ⓘ
vacuum of space ⓘ |
| era |
1960s
ⓘ
1970s ⓘ |
| feature |
emergency regulator
ⓘ
independent oxygen tank ⓘ manual controls ⓘ plumbing to suit ventilation loop ⓘ relief valves ⓘ |
| hasPurpose |
enable safe return to lunar module or spacecraft
ⓘ
provide emergency breathable oxygen ⓘ support astronaut survival after primary system failure ⓘ |
| mountingLocation |
backpack
ⓘ
outside Apollo pressure suit ⓘ |
| operatedBy | Apollo astronaut ⓘ |
| operationalMode | open-loop oxygen flow ⓘ |
| partOf |
Apollo Extravehicular Mobility Unit
NERFINISHED
ⓘ
Apollo spacesuit NERFINISHED ⓘ |
| programPhase | Apollo lunar landing missions NERFINISHED ⓘ |
| provides |
breathable oxygen
ⓘ
emergency life support ⓘ |
| reliabilityRole | single-fault tolerance for life support ⓘ |
| riskMitigated | loss of primary life support ⓘ |
| safetyRole | backup to Primary Life Support System ⓘ |
| supportsFunction |
respiration
ⓘ
suit pressurization ⓘ |
| usedOn |
Apollo lunar surface missions
NERFINISHED
ⓘ
Apollo spacecraft extravehicular activities ⓘ |
| usedWith |
Apollo A7L spacesuit
ⓘ
Apollo A7LB spacesuit NERFINISHED ⓘ Primary Life Support System NERFINISHED ⓘ |
| userAction | astronaut manually activates system ⓘ |
| usesMedium | oxygen ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.