Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keller Colcrete Ltd
Original Assignee
Colcrete Ltd
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Filing date
Publication date
Application filed by Colcrete LtdfiledCriticalColcrete Ltd
Priority to ES0239698ApriorityCriticalpatent/ES239698A1/en
Publication of ES239698A1publicationCriticalpatent/ES239698A1/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Pumping device especially suitable for pumping slurries, comprising a "mono" pump with a stator of elastic material such as rubber or artificial rubber having a pumping chamber screwed inside the propeller, a rotor in said chamber screwed in helix by the outside, a casing or box surrounding the stator and means for applying pressure in the axial direction to at least one end of said stator in order to reduce the straight section of said chamber at least at that end thereof. (Machine-translation by Google Translate, not legally binding)
ES0239698A1958-01-221958-01-22A pumping system (Machine-translation by Google Translate, not legally binding)
ExpiredES239698A1
(en)
Improvements introduced in centrifugal pumps for acids and other corrosive and abrasive liquids (Machine-translation by Google Translate, not legally binding)