ClassID:

142173

F03B11/04 - CPC Classification

Classification description:

Parts or details not provided for in, or of interest apart from, the preceding groups e.g. wear-protection couplings, between turbine and generator , for diminishing cavitation or vibration, e.g. balancing

Recent Application in this class:
#1
20250179984
2025-06-05

MEASUREMENT ARRANGEMENT FOR HYDRO TURBINE

#2
20250012248
2025-01-09

METHOD OF REFURBISHING AN ENERGY CONVERSION FACILITY AND REFURBISHED ENERGY CONVERSION FACILITY

#3
20240003327
2024-01-04

Method and device for determining suction height of variable speed units

#4
20230358201
2023-11-09

Francis-type hydraulic machine

#5
20230323848
2023-10-12

Hydro turbine with reduced cavitation

#6
20230084338
2023-03-16

HYDROFOIL CAVITATING FLOW CONTROL STRUCTURE

#7
20220333571
2022-10-20

Wave energy absorbing and converting device and power generation system

#8
20220120253
2022-04-21

HYDROTURBINE RUNNER BLADE LOCAL EXTENSION TO AVOID CAVITATION EROSION

#9
20210388808
2021-12-16

Hydroturbine runner crown with balancing slots

#10
20200149505
2020-05-14

Hydraulic turbine

#11
20190372495
2019-12-05

Stabilization of hydraulic machines with S-zone characteristics

#12
20180023534
2018-01-25

Hydraulic turbine

#13
20170370343
2017-12-28

Turbine unit for hydraulic installation

#14
20170058857
2017-03-02

Double-regulated turbine, installation for converting hydraulic energy and process for the rehabilitation of a double-regulated turbine

#15
20160327054
2016-11-10

Impeller for a pump or turbine, and pump or turbine with impeller

#16
20140186186
2014-07-03

Hydraulic machine

#17
20140079532
2014-03-20

Hydraulic machine and method of operating same

#18
20130052027
2013-02-28

HYDROFOIL WITH FEATURES TO GENERATE CAVITATION

#19
20110271675
2011-11-10

Installation for converting hydraulic energy into mechanical or electrical energy

#20
20110188991
2011-08-04

LIQUID CONTROL JET DURING PART LOAD OPERATION IN A HYDRAULIC TURBINE

#21
20110103951
2011-05-05

Francis-type hydraulic turbine wheel equipped with a tip-forming member, and method of reducing fluctuations using such a wheel

#22
20110020124
2011-01-27

Tip-forming member for a wheel of a hydraulic machine, and wheel and hydraulic machine equipped with such a member

#23
20100260622
2010-10-14

Energy conversion hydraulic plant and method for controlling such plant

#24
20100133841
2010-06-03

Hydroelectric power plant

#25
20100129201
2010-05-27

Hydraulic machine including means for injecting a flow drawn from a main flow

#26
20100129200
2010-05-27

Pelton hydraulic machine including means for injecting a flow drawn from a main flow

#27
20100129198
2010-05-27

Hydraulic machine including means for injecting a flow drawn from a main flow

#28
20100086394
2010-04-08

Hydraulic machine

#29
20090257879
2009-10-15

Runner vane for axial-flow hydraulic machinery

#30
20090087305
2009-04-02

Exit stay apparatus with intermediate flange

#31
20080063510
2008-03-13

Device and method for suction pipe

#32
20070009352
2007-01-11

Method and device for reducing pressure fluctuations in an induction pipe of a water turbine or water pump or water-pump turbine

#33
20050274214
2005-12-15

Elastic couple barring apparatus

#34
20050165510
2005-07-28

Method and System for detecting and reducing draft tube pressure fluctuations

#35
20050152775
2005-07-14

Secondary flow control system