US868768A - Elastic-fluid turbine. - Google Patents

Elastic-fluid turbine. Download PDF

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Publication number
US868768A
US868768A US25511405A US1905255114A US868768A US 868768 A US868768 A US 868768A US 25511405 A US25511405 A US 25511405A US 1905255114 A US1905255114 A US 1905255114A US 868768 A US868768 A US 868768A
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energy
fluid
elastic
velocity
fluid turbine
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US25511405A
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Raymond N Ehrhart
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Westinghouse Machine Co
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Westinghouse Machine Co
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows

Definitions

  • iluiddischargc nozzles communicating therewith-and ar ranged to convert the thermal energy of the working fluid into kinetic energy in the form of velocity, moving blades communicating with said nozzles arranged to abstract a portion of said kinetic energy, means for converting the remaining kinetic energy into pressure energy and instruinentalities whereby the iluid issuin from said means is fract ionally "expanded.
  • agentS Vhereby the thernlal energy of the workinp, fluid is converted into kinetic energy in the form of velocity and a portion only of said. energy due thereto is absorbed, means for converting the remaining; velocity energy into pressure energy and instrunientalities whereby the thermal energy of thefiuid issuing from said means is frnctionally expanded and the available energy abstracted by reaction.
  • agents whereby the thermal energy of the-working fluid is converted into kinetic energy in. the form of velocity 'and a portion only of the energy due thereto is abstractediineans for convertingthe remaining velocity energy into pressure energy and instrument'alities whereby the pressure energy of the hold issuing from said means is fractionally expanded and the available energy abstracted by impact and reaction.
  • a fluid supply passage fluid discharge nozzles communicating therewith adapted to conveitthe thermal energy of the working fluid into kinetic energy. in the form of; velocity, moving blades adapted to abstract a portion of said kinetic energy,- a reconverting cliamber communicating with said blades, alternate rows of stationary vanes and moving 'bl'ade communicating with said chamber whereby the fluid. issuing therefrom is fractioniilly expanded and the available energy abstrac ed by impact and reaction. 1 11.
  • an elastic fluid turbinegm fluid supply passage fluid discharge nozzles communicating therewith adapted to convert the thermal energy of the working fluid into kinetic energy in the form of velocity, moving blades adapted to abstract a portion of said klnetic energy, a reconverting chamber communicating with said blades. alternate rows of stationary vanes and moving blades communicating. with said chamber whereby the fluid issui'nlz. therefrom is expanded and the available energy abstracted by impact and reaction.
  • a rcconverting chamber communicating with said blades and vanes for converting the'remaind- -r of the velocity energy into pressure energy and alternate rows of stationary vanes and moving blades communicat ing with said chamber whereby the -ilul('i issuing therefrom is fractionally expanded and the available energy abstracted by ilnpact and reaction.

Description

No. 868,768. PATENTED OUT. 22, 1907.
' R. N. EHRHART. ELASTIC FLUID TURBINE.
APPLICATION FILED APR. 12, 1905.
IN ENTOR ATTORNEY R MQA, w
mentalities whereby the pressure energy of the fluid issuing from said means is abstracted by reaction.
In an elastic fluid turbine. agents whereby the ther-v ti. In an elastic fluid turbine, a fluid-supply passage,
iluiddischargc nozzles communicating therewith-and ar ranged to convert the thermal energy of the working fluid into kinetic energy in the form of velocity, moving blades communicating with said nozzles arranged to abstract a portion of said kinetic energy, means for converting the remaining kinetic energy into pressure energy and instruinentalities whereby the iluid issuin from said means is fract ionally "expanded.
t. In an elastic fluid turbine, agentS Vhereby the thernlal energy of the workinp, fluid is converted into kinetic energy in the form of velocity and a portion only of said. energy due thereto is absorbed, means for converting the remaining; velocity energy into pressure energy and instrunientalities whereby the thermal energy of thefiuid issuing from said means is frnctionally expanded and the available energy abstracted by reaction.
8. In an elastic fluid turbine, agents whereby the thermal energy of the-working fluid is converted into kinetic energy in. the form of velocity 'and a portion only of the energy due thereto is abstractediineans for convertingthe remaining velocity energy into pressure energy and instrument'alities whereby the pressure energy of the hold issuing from said means is fractionally expanded and the available energy abstracted by impact and reaction.
9. In an elastic fluid turbine, agents'whereby the. thermal energy of the working fluid is converted into kinetic energy in the form of velocity and a portion only of the energy due thereto is abstracted, means for converting the remaining velocity energy into pressure energy and instrumentalltieswherebythe thermal energy of the fluid issuing from said means is abstracted by impact andreaction.
10. In an elastic iiuid turbine, a fluid supply passage, fluid discharge nozzles communicating therewith adapted to conveitthe thermal energy of the working fluid into kinetic energy. in the form of; velocity, moving blades adapted to abstract a portion of said kinetic energy,- a reconverting cliamber communicating with said blades, alternate rows of stationary vanes and moving 'bl'ade communicating with said chamber whereby the fluid. issuing therefrom is fractioniilly expanded and the available energy abstrac ed by impact and reaction. 1 11. In an elastic fluid turbinegm fluid supply passage fluid discharge nozzles communicating therewith adapted to convert the thermal energy of the working fluid into kinetic energy in the form of velocity, moving blades adapted to abstract a portion of said klnetic energy, a reconverting chamber communicating with said blades. alternate rows of stationary vanes and moving blades communicating. with said chamber whereby the fluid issui'nlz. therefrom is expanded and the available energy abstracted by impact and reaction.
12. In an elastic fluid turbine, a supply passage, fluid discharge nozzles communicating therewith adapted to convert' the thermal energy'of the working fluid into kinetic energy in the form of velocity, alternate rows of stationary directing vanes and moving blades communicabing therewith and adapted to abstract a portion of th kinetic energy. a rcconverting chamber communicating with said blades and vanes for converting the'remaind- -r of the velocity energy into pressure energy and alternate rows of stationary vanes and moving blades communicat ing with said chamber whereby the -ilul('i issuing therefrom is fractionally expanded and the available energy abstracted by ilnpact and reaction.
In testimony whereof, I have hereunto subscribed my name this :clcventh day of April, 1905.
RAYMOND N, EIIRIIAR'I. Witnesses DAVID Wummns.
' JNo. S. Gian-ix.
US25511405A 1905-04-12 1905-04-12 Elastic-fluid turbine. Expired - Lifetime US868768A (en)

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