Tag:pump_mechanism=screw

pump_mechanism = 
Description
A pump with one or several screws carring a fluid along their axis in a continuous cavity.
Group: man made
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: approvedPage for proposal
More details at taginfo
Tools for this tag

A screw pump uses one or more screws that carry a fluid along their axis. The screws form a continuous cavity which make screw pumps very different from pump_mechanism=progressive_cavity.

It covers Archimede's screw if and only if it carries a fluid. Coveryors aren't

Examples

Industry

Photo Location Tagging Comments
Nederlands

man_made=archimedes_screw
pump_mechanism=
mechanical_driver=electric_motor

An archimede's screw moving a fluid to a higher level.
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