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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR843384ApublicationCriticalpatent/FR843384A/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
F04B47/08—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth the motors being actuated by fluid
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
FR843384D1938-03-091938-03-09Pompe à piston à commande par transmission hydraulique, travaillant indifféremment à l'air libre ou immergée
ExpiredFR843384A
(fr)
Ψεκαστηρ λειτουργων δι' αντλιας δια καταβυθιζομενου εμβολου με μεταλλικας βαλβιδας, ως και ειδικον συστημα στερεωσεως της αντλιας επι του δοχειου τουψεκαστηρος.