|
DE736059C
|
|
Free jet turbine nozzle with sand protection tube for the needle shaft
|
|
DE725415C
|
|
Impeller for impeller turbines
|
|
DE764458C
|
|
Device for maintaining the synchronism of the two propulsion engines in twin-screw ships
|
|
DE735960C
|
|
Distribution pipeline for hydropower plants, pumped storage plants, etc. like
|
|
DE694466C
|
|
Device for preventing fluttering of the guide vanes of centrifugal machines
|
|
DE676559C
|
|
Device for preventing fluttering of the guide vanes of centrifugal machines
|
|
DE648175C
|
|
Procedure for the shutdown of propeller turbines with adjustable guide vanes and rotor blades when suddenly the same is fully relieved
|
|
DE580197C
|
|
Vertical shaft for water turbines with internal impeller control
|
|
DE491474C
|
|
Device for regulating the speed of impeller turbines
|
|
DE505259C
|
|
Process to prevent surge formation in the headwater supply line of hydropower plants
|
|
DE435299C
|
|
Hydraulic turbine regulator
|
|
DE648174C
|
|
Two-part impeller for Francis turbines
|
|
DE472335C
|
|
Process to enlarge the water supply of a works sewer
|
|
DE572865C
|
|
Rimless blades for centrifugal machines in drippable liquids
|
