SE324008BSE9604/65ASE960465ASE324008BSE 324008 BSE324008 BSE 324008BSE 9604/65 ASE9604/65 ASE 9604/65ASE 960465 ASE960465 ASE 960465ASE 324008 BSE324008 BSE 324008B
Authority
SE
Sweden
Application number
SE9604/65A
Inventor
C Lind
H Lind
Original Assignee
Svenska Precisionsverktyg Ab
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 filed by Svenska Precisionsverktyg AbfiledCriticalSvenska Precisionsverktyg Ab
Priority to SE9604/65ApriorityCriticalpatent/SE324008B/xx
Publication of SE324008BpublicationCriticalpatent/SE324008B/xx
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D13/00—Pumping installations or systems
F04D13/02—Units comprising pumps and their driving means
F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply