Property talk:P1221
Documentation
compressor type
type of mechanical compressor technology used by subject
type of mechanical compressor technology used by subject
Description | type of compressor - compressor (Q178898) | |||||||||
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Represents | compressor (Q178898) | |||||||||
Data type | Item | |||||||||
Template parameter | w:en:Template:jetspecs : compressor | |||||||||
Domain | According to this template:
jet engines - types of aircraft engine (Q743004)
According to statements in the property:
When possible, data should only be stored as statementsaircraft engine (Q743004) | |||||||||
Allowed values | types of compressor (Q178898) (note: this should be moved to the property statements) | |||||||||
Example | Westinghouse J30 (Q7988946) → axial compressor (Q742777) Nakajima Sakae (Q2708163) → pistonless rotary engine (Q4398673) | |||||||||
Robot and gadget jobs | importation from articles using template 'jetspecs' | |||||||||
Lists |
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Proposal discussion | Proposal discussion | |||||||||
Current uses |
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Search for values |
[create Create a translatable help page (preferably in English) for this property to be included here]
Type “aircraft engine (Q743004)”: item must contain property “subclass of (P279)” with classes “aircraft engine (Q743004)” or their subclasses (defined using subclass of (P279)). (Help)
Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). List of violations of this constraint: Database reports/Constraint violations/P1221#Type Q743004, SPARQL
Value type “compressor (Q178898)”: This property should use items as value that contain property “subclass of (P279)”. On these, the value for subclass of (P279) should be an item that uses subclass of (P279) with value compressor (Q178898) (or a subclass thereof). (Help)
Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). List of violations of this constraint: Database reports/Constraint violations/P1221#Value type Q178898, SPARQL
Scope is as main value (Q54828448): the property must be used by specified way only (Help)
List of violations of this constraint: Database reports/Constraint violations/P1221#Scope, hourly updated report, SPARQLAllowed entity types are Wikibase item (Q29934200), Wikibase MediaInfo (Q59712033): the property may only be used on a certain entity type (Help)
Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). List of violations of this constraint: Database reports/Constraint violations/P1221#Entity types