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Class 415/144 - WORKING FLUID BYPASS


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus comprising a path for a portion of the working
No. of patents: 148
Last issue date: 01/24/2012


1        
NumberTitleIssue Date
8100639Actuating rod end connector
An improved actuating rod end connector is connected with an actuating rod that extends from a turbocharger assembly actuator mechanism. The rod end connector has a body with an opening at one longitudinal end, and the actuator rod is disposed through the opening. A...
01/24/2012
8096754Structure of exhaust turbocharger having waste gate valve
An exhaust turbocharger is enhanced in durability and reliability by making the valve body of the waste gate valve contact the seat face of the turbine housing at the opening of two exhaust gas bypass passages uniformly without being affected by the end face of the ...
01/17/2012
8002520Core reflex nozzle for turbofan engine
A turbofan engine is provided that includes a core nacelle at least partially surrounded by a fan nacelle. The core nacelle includes a reflex nozzle providing a core exit. The core nacelle includes a contour on its exterior surface upstream from the reflex nozzle. T...
08/23/2011
7967556Turbomachine with means for the creation of a peripheral jet on the stator
A turbomachine has at least one stator (4) and at least one downstream rotor (7), with the stator (4) being provided with stationary stator blades and the rotor (7) comprising several rotor blades attached to a rotating shaft. A casing (
06/28/2011
7955047Variable geometry turbine
Variable geometry turbine, in particular a gas turbine, comprising a housing (2, 22), a turbine rotor (4), a fluid inlet scroll (1) that surrounds the turbine rotor, a vaned nozzle interposed between the inlet scroll and the turbine rotor concei...
06/07/2011
7955048Steam turbines
A steam turbine is provided that is configured for post-modification for operation in a carbon capture mode. The turbine includes a turbine rotor, a turbine casing and a plurality of turbine stages. In an initial configuration of the turbine, the turbine rotor and t...
06/07/2011
7942630System for ventilating a downstream cavity of an impellor of a centrifugal compressor
A system for ventilating a downstream cavity of an impellor of a centrifugal compressor in a turbomachine, this system including flow diversion system mounted fixedly in the downstream cavity of the impellor in order to divert the ventilation air taken from the outl...
05/17/2011
7845901Air bleed device on a machine stator pivoting blade
Devices for intaking gases from the boundary layer through ducts hollowed out in blades. These devices are suitable for variable setting blades, installed on the stator using pivots. The seal is maintained despite the variation in the relative position between the m...
12/07/2010
7794199Bypass system for purging air from a submersible pump
A submersible pump, and method of making the submersible pump, is disclosed. The pump comprises a housing, a plurality of impeller stages serially disposed in the housing from a bottom impeller stage to a top impeller stage, an impeller stage bypass hole extending t...
09/14/2010
7766610Turbomachine
Annular or ring-segment-shaped cavities (2, 7) which are formed in particular in multi-shell (11; 12, 13) casings of turbomachines are preferably provided with suitable means for compensating for forming temperature stratifications. According to the in...
08/03/2010
7736126Wide flow compressor with diffuser bypass
A centrifugal compressor is modified by forming a bypass between the leading edge of the compressor diffuser and a point downstream from the throat of the diffuser. The bypass may be unidirectional or bi-directional. In a bi-directional embodiment, an operable flow ...
06/15/2010
7594793Turbomachine with fluid removal
A turbomachine with fluid removal, having at least one stator and at least one downstream rotor, with the stator being provided with stationary blades (1) and the rotor comprising several rotor blades attached to a rotating shaft, with a casing (2) con...
09/29/2009
7549838Taking air away from the tips of the rotor wheels of a high pressure compressor in a turbojet
A turbomachine compressor comprises at least one plurality of moving blades and spaced apart therefrom in an axial direction relative to a central longitudinal axis of the turbomachine, a plurality of stationary vanes, and a stationary casing surrounding said plural...
06/23/2009
7455498Slotted bleed deflector for a gas turbine engine
The invention relates to a slotted bleed deflector for a gas turbine engine. The bleed deflector comprises an inlet portion for receiving bleed air from the engine and a body for distributing the bleed air into a fan bypass duct. The body includes a leading edge sec...
11/25/2008
7412819Turbojet architecture with two fans at the front
A turbojet has a low-pressure compressor and two fans at the front of an intermediate casing which fans are driven by two independent shafts. The compressor is disposed under the rear fan and has a downstream ring of rotor blades connecting the rear fan to the drive...
08/19/2008
7407364Turbocharger compressor having ported second-stage shroud, and associated method
A two-stage radial compressor having a ported second-stage shroud, forming a passive surge control system. Thus, some proportion of the fluid is allowed to flow between the second-stage of the compressor in the vicinity of the impeller blade tips, through a port in ...
08/05/2008
7387489Bleed valve outlet flow deflector
A bleed valve assembly for discharging bleed air into a gas turbine engine bypass plenum includes a bleed flow duct, a bleed valve, and a flow deflector. The bleed flow duct is contoured such that it delivers uniformly flowing bleed air to the flow deflector when th...
06/17/2008
7374396Bolt-on radial bleed manifold
A compressor radial bleed manifold and compressor case assembly includes a compressor case having one or more bleed flow exit passages therein; and a discrete bleed manifold mounted on the compressor case and having one or more inlet passages extending radially betw...
05/20/2008
7353656Method and apparatus for achieving power augmentation in gas turbines using wet compression
A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,...
04/08/2008
7353654Method and apparatus for achieving power augmentation in gas turbines using wet compression
A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,...
04/08/2008
7353655Method and apparatus for achieving power augmentation in gas turbine using wet compression
A gas turbine unit as well as a method for operating a gas turbine with high-pressure turbine and a low-pressure turbine unit are disclosed. A very quick and at the same time easily controllable augmentation or reduction of the shaft power of the gas turbine unit ca...
04/08/2008
7329085Pump impeller
An impeller for use in a centrifugal pump, the impeller including a shroud having opposed faces, an outer peripheral edge portion and a rotation axis, a plurality of pumping vanes on one of the faces of the shroud and extending away from the rotation axis, each pump...
02/12/2008
7296964Apparatus and methods for minimizing solid particle erosion in steam turbines
Solid particle erosion in a steam turbine is minimized by diverting through holes in appendages of outer rings of the diaphragms, a portion of the steam from the steam flow path thereby bypassing downstream rotating components. The hole through the first stage appen...
11/20/2007
7293954Centrifugal compressor for turbo chiller, turbo chiller, and control method therefor
A turbo chiller that can accurately determine the existence of surging occurring in a centrifugal compressor is provided. In a centrifugal compressor of a turbo chiller, which includes an impeller for compressing refrigerant, a resistance temperature sensor for dete...
11/13/2007
7293955Supersonic gas compressor
A gas compressor based on the use of a driven rotor having a compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and tangential speed of the ramp) which compresses inlet gas against a stationary sidewall. I...
11/13/2007
7290982Arrangement for the attachment of distributor sectors supporting vanes around an arc of a circle
The distributor sectors (25) of a turbomachine are secured adjacent to a casing (31) with sealing sectors (32) alternating with them in the axial direction. The distributor sectors (25) are provided with force resistant faces (37; 39
11/06/2007
7278821Methods and apparatus for assembling gas turbine engines
A gas turbine engine compressor including a stator assembly and a method of assembling the same are provided. The method includes providing a compressor casing including at least two stator vane casing rails extending from the casing, coupling a rail liner within ea...
10/09/2007
7273345Method for operating a turbo engine and turbo engine
Means for driving a flow are arranged in cavities which are formed, in particular, in multishell casings of turbo engines. In one embodiment, within the cavity, ejectors are arranged which are supplied via suitable means with a propellant flow which, in turn, activa...
09/25/2007
7264441Hybrid cycle high pressure compressor and turbine engine including such a compressor
The invention relates to a hybrid cycle HP compressor (104) for a turbine engine, comprising in particular a first rotor wheel (16), a first rectifier (118) and a second rotor wheel (20), as well as a separation slot (22) fitted be...
09/04/2007
7258524Method of regulating the flow rate of air in a rotary shaft of a turbomachine
A device applied to regulating the flow rate of air flowing in a rotary shaft of a turbomachine, the shaft including at least one through orifice for passing air. The device at least one shutter member for shutting the orifice and secured to a deformable blade prese...
08/21/2007
7249929Bleed housing
A gas turbine engine compressor has a number of shroud rings, at least a bleed one of which defines a number of bleed ports. A structural hub is downstream of the shroud rings and secured relative to the shroud rings. A structural hub case extends from an aft joint ...
07/31/2007
7240682Washing fluid pump
The invention concerns a washing fluid pump (1) for windows and/or headlamp cleaning installations on motor vehicles including at least one motor, at least one pump housing (2) with at least one impeller (11) arranged therein, at least one intak...
07/10/2007
7229243Compressor
A compressor for compressing a gas comprises an impeller wheel (1) mounted within a housing (2) defining an inlet and an outlet (6). The inlet comprises an outer tubular wall (7) extending away from the impeller wheel in an upstream direc...
06/12/2007
7210295Compressor with secondary boost air outlet passage
A wastegated turbocharger includes a turbine wheel mounted to a shaft for rotation within a turbine housing and a compressor wheel mounted to the shaft for rotation within a compressor housing. The compressor housing has mounted thereto a wastegate actuator command ...
05/01/2007
7156617Dual outlet port pump
A pump for a watercraft comprises a housing including a chamber having an inlet, a first outlet, a second outlet, and a first and a second portion, wherein the first outlet is disposed in the first portion of the chamber and the second outlet is disposed in the seco...
01/02/2007
7147426Shockwave-induced boundary layer bleed
An apparatus and method is provided for improving efficiency of a transonic gas turbine engine compressor by bleeding off a shockwave-induced boundary layer from the gas flow passage of the compressor using an array of bleed holes having a downstream edge aligned wi...
12/12/2006
7137245High area-ratio inter-turbine duct with inlet blowing
A bypass channel for use in an inter-turbine transition duct of a gas turbine engine is connected to a suction port disposed upstream of a high-pressure turbine and an injection port disposed downstream of the high-pressure turbine. The flow through the bypass chann...
11/21/2006
7128525Air pump
An air pump has a casing, a motor assembly, a fan assembly, a faceplate and a sliding valve assembly. The motor assembly is mounted in the casing and has a motor. The fan assembly has a fan housing, an inlet manifold, an inlet plate and a centrifugal impeller. The c...
10/31/2006
7108479Methods and apparatus for supplying cooling fluid to turbine nozzles
A method enables a gas turbine engine to be operated. The method comprises supplying cooling fluid into a manifold ring that includes a plurality of distribution ports defined by a sidewall connected by a radially inner wall, channeling the cooling fluid circumferen...
09/19/2006
7096712Material testing system for turbines
The wear resistance of impellers used in multi-stage turbine pumps is tested by using a multi-stage turbine pump having impellers with different physical properties to pump a fluid containing small amounts of an abrasive material. After the fluid has been pumped for...
08/29/2006
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