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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Einstein–Szilard refrigerator canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T797275 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Einstein–Szilard refrigerator Context triple: [Leo Szilard, knownFor, Einstein–Szilard refrigerator]
-
A.
Szilard–Chalmers effect
The Szilard–Chalmers effect is a nuclear chemistry phenomenon in which atoms that undergo neutron capture and become radioactive are chemically separated from their original, non-activated atoms due to recoil-induced disruption of their chemical bonds.
-
B.
Teller–Ulam design
The Teller–Ulam design is the standard two-stage thermonuclear weapon architecture that enables the immense explosive power of modern hydrogen bombs through radiation-driven compression of a secondary fusion stage.
-
C.
Chicago Pile-2
Chicago Pile-2 was an early research nuclear reactor built at the Argonne site to continue and expand experimental work following the first controlled chain reaction achieved by Chicago Pile-1.
-
D.
Maxwell's demon thought experiment
Maxwell's demon thought experiment is a famous conceptual scenario in thermodynamics that imagines an intelligent being seemingly violating the second law by sorting fast and slow gas molecules without expending energy.
-
E.
Chicago Pile-1
Chicago Pile-1 was the world’s first artificial nuclear reactor, achieving the first controlled, self-sustaining nuclear chain reaction in 1942 under the leadership of Enrico Fermi.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Einstein–Szilard refrigerator Target entity description: 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.
-
A.
Szilard–Chalmers effect
The Szilard–Chalmers effect is a nuclear chemistry phenomenon in which atoms that undergo neutron capture and become radioactive are chemically separated from their original, non-activated atoms due to recoil-induced disruption of their chemical bonds.
-
B.
Teller–Ulam design
The Teller–Ulam design is the standard two-stage thermonuclear weapon architecture that enables the immense explosive power of modern hydrogen bombs through radiation-driven compression of a secondary fusion stage.
-
C.
Chicago Pile-2
Chicago Pile-2 was an early research nuclear reactor built at the Argonne site to continue and expand experimental work following the first controlled chain reaction achieved by Chicago Pile-1.
-
D.
Maxwell's demon thought experiment
Maxwell's demon thought experiment is a famous conceptual scenario in thermodynamics that imagines an intelligent being seemingly violating the second law by sorting fast and slow gas molecules without expending energy.
-
E.
Chicago Pile-1
Chicago Pile-1 was the world’s first artificial nuclear reactor, achieving the first controlled, self-sustaining nuclear chain reaction in 1942 under the leadership of Enrico Fermi.
- F. None of above. chosen
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 ⓘ |
| historicalPeriod | early 20th century ⓘ |
| inception | 1926 ⓘ |
| influenced | later research on safe refrigerants ⓘ |
| inventor |
Albert Einstein
ⓘ
Leo Szilard ⓘ
surface form:
Leó Szilárd
|
| 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
ⓘ
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 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Einstein–Szilard refrigerator Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.