Einstein–Szilard refrigerator
E95710
The Einstein–Szilard refrigerator is an early 20th-century absorption refrigerator design that uses no moving parts and was created to provide a safer, more reliable alternative to conventional refrigerators that relied on toxic gases.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
absorption refrigerator
ⓘ
invention ⓘ refrigeration technology ⓘ |
| commercialSuccess | limited ⓘ |
| coolingMethod | evaporation of butane at low pressure ⓘ |
| countryOfOrigin | Germany ⓘ |
| designedToAddress |
dangers of toxic refrigerant gases
ⓘ
safety concerns of early mechanical refrigerators ⓘ |
| developmentMotivation | reported fatal accident from leaking refrigerator gas ⓘ |
| fieldOfUse | domestic refrigeration ⓘ |
| hasAdvantage | no mechanical wear in the cooling circuit ⓘ |
| hasComponent |
absorber
ⓘ
condenser ⓘ evaporator ⓘ generator ⓘ heat exchanger ⓘ |
| hasDisadvantage |
higher manufacturing complexity
ⓘ
lower efficiency than compressor-based refrigerators ⓘ |
| hasNameOrigin | named after Albert Einstein and Leó Szilárd ⓘ |
| hasPatent |
DE499830
ⓘ
GB282428 ⓘ US1781541 NERFINISHED ⓘ |
| historicalPeriod | early 20th century ⓘ |
| inception | 1926 ⓘ |
| influenced | later research on safe refrigerants ⓘ |
| inventor |
Albert Einstein
NERFINISHED
ⓘ
Leó Szilárd NERFINISHED ⓘ |
| keyFeature |
designed for increased safety
ⓘ
hermetically sealed system ⓘ no moving parts in the cooling circuit ⓘ reduced risk of gas leakage ⓘ |
| notableFor |
collaboration between a physicist and an engineer
ⓘ
early attempt at safer domestic refrigeration ⓘ |
| operatingPrinciple | absorption refrigeration cycle ⓘ |
| patentDate | 1927 ⓘ |
| powerSource |
electric heater
ⓘ
gas flame ⓘ heat ⓘ |
| refrigerantType | non-mechanical absorption system ⓘ |
| relatedTo |
Einstein–Szilárd collaboration
NERFINISHED
ⓘ
absorption refrigerator ⓘ |
| replacedBy | more efficient mechanical compressor refrigerators ⓘ |
| safetyRationale |
avoid use of methyl formate
ⓘ
avoid use of toxic sulfur dioxide ⓘ |
| status | historical prototype ⓘ |
| usesGasLift | ammonia vapor to circulate butane ⓘ |
| usesWorkingFluid |
ammonia
ⓘ
butane ⓘ water ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.