公开(公告)号：US20240093694A1

公开(公告)日：2024-03-21

申请号：US18287497

申请日：2022-04-12

申请人： ORMAT TECHNOLOGIES,INC.

发明人： Benjamin EILAN ,  Boris POLYAK ,  Nadav DARF ,  Alex KATZ ,  Oren RAM

IPC分类号： E21B43/12

CPC分类号： E21B43/121

摘要： A well pumping apparatus including a discharge head (110), a drive string rod (130) in fluid communication with an inner cavity (142) of a production tubing (140), a pre-lubrication port (160) at the discharge head, and lubrication cups (134) installed along the drive string rod adjacent to sets of bearings (150) distributed along the drive string rod.

公开(公告)号：US20180080341A1

公开(公告)日：2018-03-22

申请号：US15269140

申请日：2016-09-19

申请人： ORMAT TECHNOLOGIES, Inc.

发明人： Dany BATSCHA ,  Oren RAM ,  Anton FITERMAN ,  Ran RESHEF ,  Herzel SHARONI ,  Uri KAPLAN

IPC分类号： F01D25/16 ,  F01K7/22 ,  F01K11/02 ,  F01D5/06 ,  F01D25/18 ,  F01D17/10

摘要： The present invention provides a turbine shaft bearing apparatus, comprising two axially spaced, inlet side and outlet side bearings for providing support to a turbine shaft to which are connected a plurality of turbine wheels such that the turbine shaft, the two spaced bearings, and the plurality of turbine wheels are all coaxial, wherein the outlet side bearing is protected from overheating by motive fluid expanded by one or more of the plurality of turbine wheels or stages by a solid bearing housing which surrounds the outlet side bearing which is supported and provided with a conduit through which a lubricating medium for lubricating said outlet side bearing is supplied from a port external to said turbine. The present invention is also directed to a single turbine module, comprising a plurality of axially spaced turbine wheels, each of which constitutes one expansion stage of said turbine module, being connected to a common turbine shaft and coaxial therewith; an inlet through which motive fluid vapor is introduced to a first stage of said turbine wheels; a structured bleeding exit opening formed in an outer turbine casing of the turbine module; and a passage defined between two of the turbine wheels and in fluid communication with the bleeding exit opening, wherein expanded motive fluid vapor is extracted through said structured bleeding exit opening and is supplied to a heat exchange component, for heating the motive fluid condensate.

公开(公告)号：US20240271752A1

公开(公告)日：2024-08-15

申请号：US18644517

申请日：2024-04-24

申请人： Ormat Systems Ltd. ,  Ormat Technologies Inc.

发明人： Eduard KATZ ,  Omri MESHULAM ,  Anton FITERMAN ,  Nirit GRUSHKO ,  Oren RAM ,  Elad ZLOTNIK ,  Tal SHOFRONY

IPC分类号： F17C5/02

CPC分类号： F17C5/02 ,  F17C2221/013 ,  F17C2223/0107 ,  F17C2225/0153 ,  F17C2227/0135 ,  F17C2227/0192 ,  F17C2265/07

摘要： An energy storage system has a pressure vessel that is exposed to ambient temperatures and that contains a working fluid which is condensable at ambient temperatures (CWF); a liquid reservoir in communication with one of the vessels and containing a liquid that is unvaporizable in the reservoir and in the vessel; and apparatus for delivering the liquid from the reservoir to the vessel. The CWF is compressible within the vessel upon direct contact with the liquid and is storable in a liquid state after being compressed to its saturation pressure. In a method, at least some of the liquid located in the vessel is propelled by the CWF towards a turbine to produce power. In one embodiment, a module has a first vessel having at least four ports, a second vessel at ambient temperatures, and a flow control component operatively connected to a corresponding conduit for selectively controlling fluid flow.

公开(公告)号：US20240151157A1

公开(公告)日：2024-05-09

申请号：US18280806

申请日：2022-02-03

申请人： ORMAT TECHNOLOGIES, INC.

发明人： Alex KATZ ,  Yossi SIMAN TOV ,  Oren RAM

IPC分类号： F01D25/16 ,  F01D11/00

CPC分类号： F01D25/162 ,  F01D11/001

摘要： Turbine apparatus includes turbine wheels by which introduced motive fluid is expanded; a horizontally disposed turbine shaft which is rotatably supported by inlet-side and outlet-side bearings, such that the turbine wheels are fixedly connected to the turbine shaft between the inlet-side and outlet-side bearings; a turbine housing by which the turbine wheels and the outlet-side bearing are encased; and a bearing cartridge in which the inlet-side bearing is housed that is mounted externally to the turbine housing. The bearing cartridge is separable from the turbine housing to facilitate a maintenance operation when the inlet-side bearing is disengaged from the turbine shaft. In a method for accessing a malfunctioning inlet-side component contactable with the turbine shaft in order to perform a maintenance operation, the bearing cartridge is dismounted from a surface of the turbine housing and the bearing cartridge is axially displaced in a direction away from the turbine housing.