Spiral or volute casings

Patents Grantslast 30 patents

  • Information Patent Grant

    Vortex generator

    • Patent number 11,067,054
    • Issue date Jul 20, 2021
    • National University of Ireland, Galway
    • Eoghan Clifford
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Gravitational vortex water turbine assembly

    • Patent number 11,028,816
    • Issue date Jun 8, 2021
    • TURBULENT BVBA
    • Geert Slachmuylders
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Guide vane of hydraulic machinery and hydraulic machine

    • Patent number 10,590,904
    • Issue date Mar 17, 2020
    • Kabushiki Kaisha Toshiba
    • Madoka Narikawa
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Francis turbine with short blade and short band

    • Patent number 10,465,647
    • Issue date Nov 5, 2019
    • Andritz Hydro Ltd.
    • Sven Von Fellenberg
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Fluid driven turbine apparatus

    • Patent number 10,393,087
    • Issue date Aug 27, 2019
    • Kuo-Chang Huang
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Fluid turbine blade device

    • Patent number 10,378,503
    • Issue date Aug 13, 2019
    • Kuo-Chang Huang
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method and system for tuning a turbine using a secondary injection...

    • Patent number 10,267,318
    • Issue date Apr 23, 2019
    • Jason B. Hunt
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method of refurbishing an energy conversion facility and refurbishe...

    • Patent number 10,190,565
    • Issue date Jan 29, 2019
    • GE RENEWABLE TECHNOLOGIES
    • Sylvain Daniel Lavigne
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hydraulic machine

    • Patent number 9,617,968
    • Issue date Apr 11, 2017
    • Voith Patent GmbH
    • Sebastian Hyneck
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hydro vortex enabled turbine generator

    • Patent number 9,322,385
    • Issue date Apr 26, 2016
    • Martin D. Hallett
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Energy conversion hydraulic plant and method for controlling such p...

    • Patent number 8,672,617
    • Issue date Mar 18, 2014
    • Alstom Renewable Technologies
    • Michel Henri Couston
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Power generating system

    • Patent number 8,461,712
    • Issue date Jun 11, 2013
    • Victor Lyatkher
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Miniature hydro-power generation system

    • Patent number 7,956,481
    • Issue date Jun 7, 2011
    • Access Business Group International LLC
    • David W. Baarman
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Guide-case for water turbine

    • Patent number 7,794,196
    • Issue date Sep 14, 2010
    • David George Demontmorency
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Miniature hydro-power generation system

    • Patent number 7,768,147
    • Issue date Aug 3, 2010
    • Access Business Group International, LLC
    • David W. Baarman
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Miniature hydro-power generation system

    • Patent number 7,675,188
    • Issue date Mar 9, 2010
    • Access Business Group International, LLC
    • David W. Baarman
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic turbine and stay ring

    • Patent number 7,438,521
    • Issue date Oct 21, 2008
    • Kabushiki Kaisha Toshiba
    • Yasuyuki Enomoto
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Spiral pertaining to a turbo-machine

    • Patent number 7,318,700
    • Issue date Jan 15, 2008
    • VA Tech Hydro GmbH
    • Josef-Michael Sugg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic turbine with increased power capacities

    • Patent number 6,926,494
    • Issue date Aug 9, 2005
    • Alstom Canada Inc.
    • Michel Sabourin
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic turbine feed tank

    • Patent number 6,835,043
    • Issue date Dec 28, 2004
    • Alstom Power N.V.
    • Daniel C Milan
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Fluid pump apparatus

    • Patent number 6,547,530
    • Issue date Apr 15, 2003
    • NTN Corporation
    • Takayoshi Ozaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water turbine

    • Patent number 6,334,757
    • Issue date Jan 1, 2002
    • Hitachi, Ltd.
    • Ryuichiro Iwano
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method for utilizing angular momentum in energy conversion devices...

    • Patent number 5,167,483
    • Issue date Dec 1, 1992
    • Samuel W. Gardiner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3494704

    • Patent number 3,494,704
    • Issue date Feb 10, 1970
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3406945

    • Patent number 3,406,945
    • Issue date Oct 22, 1968
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3186685

    • Patent number 3,186,685
    • Issue date Jun 1, 1965
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2945960

    • Patent number 2,945,960
    • Issue date Jul 19, 1960
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2773666

    • Patent number 2,773,666
    • Issue date Dec 11, 1956
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2611578

    • Patent number 2,611,578
    • Issue date Sep 23, 1952
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2123120

    • Patent number 2,123,120
    • Issue date Jul 5, 1938
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    VORTEX GENERATOR

    • Publication number 20200124019
    • Publication date Apr 23, 2020
    • National University of Ireland, Galway
    • Eoghan CLIFFORD
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    A GRAVITATIONAL VORTEX WATER TURBINE ASSEMBLY

    • Publication number 20180372059
    • Publication date Dec 27, 2018
    • TURBULENT BVBA
    • Geert SLACHMUYLDERS
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FLUID DRIVEN TURBINE APPARATUS

    • Publication number 20180058417
    • Publication date Mar 1, 2018
    • Kuo-Chang HUANG
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FLUID TURBINE BLADE DEVICE

    • Publication number 20170260960
    • Publication date Sep 14, 2017
    • Kuo-Chang HUANG
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    GUIDE VANE OF HYDRAULIC MACHINERY AND HYDRAULIC MACHINE

    • Publication number 20170260958
    • Publication date Sep 14, 2017
    • KABUSHIKI KAISHA TOSHIBA
    • Madoka NARIKAWA
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Francis Turbine With Short Blade and Short Band

    • Publication number 20170211539
    • Publication date Jul 27, 2017
    • Sven VON FELLENBERG
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    METHOD OF REFURBISHING AN ENERGY CONVERSION FACILITY AND REFURBISHE...

    • Publication number 20140363280
    • Publication date Dec 11, 2014
    • Sylvain Daniel LAVIGNE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FRANCIS TURBINE OR A FRANCIS PUMP OR A FRANCIS PUMP TURBINE

    • Publication number 20140154057
    • Publication date Jun 5, 2014
    • VOITH PATENT GmbH
    • Thomas Kächele
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Pump Turbine Installation

    • Publication number 20130302187
    • Publication date Nov 14, 2013
    • VOITH PATENT GmbH
    • Manfred Stummer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Turbomachine

    • Publication number 20130243570
    • Publication date Sep 19, 2013
    • VOITH PATENT GmbH
    • Martin Schabasser
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    PELTON TURBINE HAVING A WATER DRAIN SYSTEM

    • Publication number 20130101407
    • Publication date Apr 25, 2013
    • Reiner Mack
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Axial flow action turbine

    • Publication number 20130022456
    • Publication date Jan 24, 2013
    • Kalman N. Lehoczky
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Nozzle Capable of Maximizing the Quantity of Movement Produced by a...

    • Publication number 20120134776
    • Publication date May 31, 2012
    • ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS...
    • Elias Bou Lawz Ksayer
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Tunnel turbine system generates potential energy from dorment kinet...

    • Publication number 20110268565
    • Publication date Nov 3, 2011
    • Mujeeb Ur Rehman Alvi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    MINIATURE HYDRO-POWER GENERATION SYSTEM

    • Publication number 20110233935
    • Publication date Sep 29, 2011
    • Access Business Group International LLC
    • David W. Baarman
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    MINIATURE HYDRO-POWER GENERATION SYSTEM

    • Publication number 20100295311
    • Publication date Nov 25, 2010
    • Access Business Group International LLC
    • David W. Baarman
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    ENERGY CONVERSION HYDRAULIC PLANT AND METHOD FOR CONTROLLING SUCH P...

    • Publication number 20100260622
    • Publication date Oct 14, 2010
    • ALSTOM Hydro France
    • Michel Henri Couston
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Turbo Engine and Method for Producing Such a Turbo Engine

    • Publication number 20100202878
    • Publication date Aug 12, 2010
    • MAN TURBO AG
    • Christian Wacker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MINIATURE HYDRO-POWER GENERATION SYSTEM

    • Publication number 20090278355
    • Publication date Nov 12, 2009
    • Access Business Group International, LLC
    • David W. Baarman
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Guide-Case For Water Turbine

    • Publication number 20080145212
    • Publication date Jun 19, 2008
    • David George Demontmorency
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Miniature hydro-power generation system

    • Publication number 20080136191
    • Publication date Jun 12, 2008
    • David W. Baarman
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Hydraulic turbine and stay ring

    • Publication number 20070020096
    • Publication date Jan 25, 2007
    • Yasuyuki Enomoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Spiral pertaining to a turbo-machine

    • Publication number 20050169751
    • Publication date Aug 4, 2005
    • VA TECH HYDRO GmbH & Co.
    • Josef-Michael Sugg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic turbine with increased power capacities

    • Publication number 20040115047
    • Publication date Jun 17, 2004
    • Michel Sabourin
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Hydraulic turbine feed tank

    • Publication number 20030223857
    • Publication date Dec 4, 2003
    • Daniel C Milan
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fluid pump apparatus

    • Publication number 20020009363
    • Publication date Jan 24, 2002
    • Takayoshi Ozaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...