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CPC
F04D15/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F04
Liquid pumps
F04D
NON-POSITIVE DISPLACEMENT PUMPS
Current Industry
F04D15/00
Control
Sub Industries
F04D15/0005
by using valves
F04D15/0011
by-pass valves
F04D15/0016
mixing-reversing- or deviation valves
F04D15/0022
throttling valves or valves varying the pump inlet opening or the outlet opening
F04D15/0027
Varying behaviour or the very pump
F04D15/0033
By-passing by increasing clearance between impeller and its casing
F04D15/0038
by varying the effective cross-sectional area of flow through the rotor
F04D15/0044
by introducing a gas
F04D15/005
the pumps being of the circumferential flow type
F04D15/0055
Rotors with adjustable blades
F04D15/0061
responsive to temperature
F04D15/0066
by changing the speed
F04D15/0072
Installation or systems with two or more pumps, wherein the flow path through the stages can be changed
F04D15/0077
Safety measures
F04D15/0083
Protection against sudden pressure change
F04D15/0088
Testing machines
F04D15/0094
Indicators of rotational movement
F04D15/02
Stopping of pumps, or operating valves, on occurrence of unwanted conditions
F04D15/0209
responsive to a condition of the working fluid
F04D15/0218
the condition being a liquid level or a lack of liquid supply
F04D15/0227
Lack of liquid level being detected using a flow transducer
F04D15/0236
Lack of liquid level being detected by analysing the parameters of the electric drive
F04D15/0245
responsive to a condition of the pump
F04D15/0254
the condition being speed or load
F04D15/0263
the condition being temperature, ingress of humidity or leakage
F04D15/0272
the condition being wear or a position
F04D15/0281
responsive to a condition not otherwise provided for
F04D15/029
for pumps operating in parallel
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