公开(公告)号：US11492909B2

公开(公告)日：2022-11-08

申请号：US17414816

申请日：2019-08-07

Applicant: DRESSER-RAND COMPANY

Inventor： Nicholas Vachon

IPC: F01D5/08 ,  F01D11/08 ,  F01D25/12

Abstract: A platform seal and damper assembly for turbomachinery (100), such as fluidized catalytic cracking (FCC) expanders or gas turbine engines; and methodologies for forming such assembly are provided. An axially-extending groove (160) is arranged on a side (162) of a respective platform. Groove (160) is defined by a radially-outward surface (168) at an underside of the platform and a surface (170) extending with a tangential component (T) toward radially-outward surface (168). A seal and damper member (152) is disposed in groove (160), where the body of seal and damper member has adjoining surfaces (190, 188) configured to respectively engage, in response to a camming action, with the surfaces (168, 170) that define the axially-extending groove. The camming action being effective to produce an interference fit of the seal and damper member (152) with the side of the respective platform (162) and an opposed side (163) of an adjacent platform.

公开(公告)号：US20220243654A1

公开(公告)日：2022-08-04

申请号：US17761308

申请日：2020-12-09

Applicant: DRESSER-RAND COMPANY

Inventor： Jason M. Kerth

IPC: F02C6/14 ,  F02C1/10 ,  F28D20/00

Abstract: A pumped heat energy storage (PHES) system, involving an annular ducting arrangement is provided. Disclosed embodiments are believed to resolve the issue of containing a high temperature working fluid at elevated pressure by appropriately compartmentalizing by way of the annular ducting arrangement the functions of temperature management and pressure containment in a cost-effective and reliable manner.

公开(公告)号：US20220178299A1

公开(公告)日：2022-06-09

申请号：US17603479

申请日：2019-04-29

Applicant: DRESSER-RAND COMPANY

Inventor： Ryan McLaughlin ,  Kevin Alexander

IPC: F02B19/10 ,  F02B19/12 ,  F02B19/16

Abstract: A pre-combustion chamber system is presented. The pre-combustion chamber system includes a pre-combustion chamber housing defining a pre-combustion chamber, a cooling chamber housing surrounding the pre-combustion chamber housing, a cooling chamber defined between the pre-combustion chamber housing and the cooling chamber housing. The pre-combustion chamber system includes a flow agitator arranged in the pre-combustion chamber housing protruding into the pre-combustion chamber. The flow agitator increases flow disturbance in the pre-combustion chamber for improving mixture of fuel and air. Cooling of the pre-combustion chamber system is improved by dividing the cooling chamber into a cooling inner chamber and a cooling outlet chamber or by arranging cooling fins in the pre-combustion chamber housing extending into the cooling chamber.

公开(公告)号：US20210362110A1

公开(公告)日：2021-11-25

申请号：US17395096

申请日：2021-08-05

Applicant: DRESSER-RAND COMPANY

Inventor： Silvano R. Saretto ,  Kirk Ryan Lupkes

IPC: B01J3/08 ,  B01J19/00 ,  B01J19/18 ,  B01J19/20

Abstract: A turbomachine type chemical reactor for processing a process fluid is presented. The turbomachine type chemical reactor includes at least one impeller section and a stationary diffuser section arranged downstream. The impeller section accelerates the process fluid to a supersonic flow. A shock wave is generated in the stationary diffuser section that instantaneously increases static temperature of the process fluid downstream the shock wave for processing the process fluid. which allows thermally cracking a chemical compound, such as hydrocarbon, in the process fluid. Static pressure of the process fluid is simultaneously increased across the shock wave. The turbomachine type chemical reactor significantly reduces residence time of the process fluid in the chemical reactor and improves efficiency of the chemical reactor.

公开(公告)号：US11125105B2

公开(公告)日：2021-09-21

申请号：US16839670

申请日：2020-04-03

Applicant: Dresser-Rand Company ,  REXA, Inc.

Inventor： Shannon Nimchan ,  John Limmer ,  Pedro Lopez ,  Ken Enos

IPC: F01D17/14 ,  F16K31/363 ,  F16K31/122 ,  F15B1/26 ,  F15B13/02 ,  F15B13/06 ,  F15B11/16

Abstract: Systems and methods for protecting a turbomachine may include a trip throttle valve having a throttle valve assembly and a trip valve assembly. The trip valve assembly may include a plurality of trip valves fluidly coupled to a hydraulic cylinder of the throttle valve assembly via a first flow path and a second flow path in parallel with one another. The trip valve assembly may also include a plurality of isolation valves fluidly coupled to the hydraulic cylinder via the first flow path and the second flow path. The plurality of isolation valves may be configured to selectively prevent fluid communication between the plurality of trip valves and the hydraulic cylinder to allow testing of one or more of the plurality of trip valves during operation of the turbomachine.

公开(公告)号：US20210268469A1

公开(公告)日：2021-09-02

申请号：US17324596

申请日：2021-05-19

Applicant: DRESSER-RAND COMPANY

Inventor： Silvano R. Saretto ,  Paul Morrison Brown ,  Kirk Ryan Lupkes ,  David Andrew Taylor

IPC: B01J19/00 ,  B01J3/08 ,  B01J6/00 ,  B01J19/18 ,  C10G9/00 ,  B01J19/10 ,  F01D1/02

Abstract: Chemical reactor (10) and method for cracking are disclosed. A process fluid is accelerated with axial impulse impellers (40A, 40B) to a velocity greater than Mach 1 and, in turn, generating a shock wave (90) in the process fluid by decelerating it in a static diffuser (70) having diverging diffuser passages (72). Temperature increase of the process fluid downstream of the shockwave cracks or splits molecules, such as hydrocarbons entrained in the process fluid, in a single pass, through a unidirectional flow path (F), within a single stage, without recirculating the process fluid for another pass through the same stage. In some embodiments, a system involving at least two turbomachine chemical reactors (110) may provide multiple successive stages of one or more axial impulse impellers (40A, 40B), paired with a diverging passage, static diffuser (70).

公开(公告)号：US20200217332A1

公开(公告)日：2020-07-09

申请号：US16631250

申请日：2018-07-16

Applicant: Dresser-Rand Company

Inventor： Byron L. Mohr ,  Christopher Guerra ,  Scott MacWilliams

IPC: F04D29/66 ,  G10K11/162 ,  G06T17/00

Abstract: An acoustic attenuator for a turbomachine and methodology for additively manufacturing the acoustic attenuator are provided. The acoustic attenuator includes an annular body (202) having an outer surface (204) and an inner surface (206). The inner surface of the annular body may define a bore (208) extending along a longitudinal axis (209) of the acoustic attenuator between a first end and a second end of the acoustic attenuator. The annular body may be formed by a plurality of axially-successive cross-sectional layers (e.g., 632, 634, 636) unitized between the first end and the second end of the acoustic attenuator. The plurality of axially-successive cross-sectional layers may be transversely disposed relative to the longitudinal axis of the acoustic attenuator. At least some axially-successive cross-sectional layers of the plurality of axially-successive cross-sectional layers (e.g., 632, 634, 636) defining a pocket (214) disposed between the outer surface and the inner surface of the annular body. At least a segment of a periphery of the pocket comprises two sides (1452, 1454) arranged to join at a common end point to form an apex (1460) of the pocket.

公开(公告)号：US10683756B2

公开(公告)日：2020-06-16

申请号：US15423226

申请日：2017-02-02

Applicant: Dresser-Rand Company

Inventor： Timothy R. Griffin ,  George H Seamon ,  Nicholas Vachon

IPC: F01D5/08 ,  C10G11/18 ,  C10G75/00 ,  F01D11/00 ,  F01D25/24 ,  F01D5/30

Abstract: Systems and methods for cooling a rotor assembly disposed within a cavity of an expander fluidly coupled with a cooling source are provided. The system may include an annular body disposed on a rotor disc of the rotor assembly. The rotor disc may also include a plurality of rotor blades mounted thereto via respective roots. The annular body may define at least one fluid passageway fluidly coupling the roots and the cooling source. The annular ring may be configured to substantially prevent mixing of the flue gas with a coolant provided by the cooling source and flowing through the at least one fluid passageway and contacting at least one root. The system may also include a plurality of seal members, each disposed between respective platforms of adjacent rotor blades and configured to substantially prevent the flue gas flowing though the expander from mixing with the coolant.

公开(公告)号：US10371158B2

公开(公告)日：2019-08-06

申请号：US14417673

申请日：2013-08-15

Applicant: Dresser-Rand Company

Inventor： James M. Sorokes

IPC: F04D17/10 ,  F04D27/00 ,  F04D27/02 ,  F04D29/44

Abstract: A system and method are provided for detecting an impending stall or surge in a radial compressor. The system and method may include a plurality of detection devices configured to detect a transition of a low momentum zone of a gas flow through the diffuser from a first position adjacent a shroud wall of the diffuser to a second position adjacent a hub wall of the diffuser. The system and method may also include a control system electrically coupled to the plurality of detection devices and configured to receive a plurality of information signals. Each information signal may be transmitted by a respective one of the plurality of detection devices and may correlate to a location of the low momentum zone. The control system may be configured to process the plurality of information signals and detect the impending stall or surge based on the location of the low momentum zone.

公开(公告)号：US20180272429A1

公开(公告)日：2018-09-27

申请号：US15542089

申请日：2016-01-26

Applicant: DRESSER-RAND COMPANY

Inventor： Scott J. DELMOTTE

IPC: B22F7/06 ,  B22F3/105 ,  B22F5/00 ,  B22F5/02 ,  F16J1/00 ,  B33Y10/00 ,  B33Y80/00

CPC classification number: B22F7/06 ,  B22F3/1055 ,  B22F5/008 ,  B22F5/02 ,  B23P15/10 ,  B33Y10/00 ,  B33Y80/00 ,  F16J1/001 ,  F16J1/006 ,  Y02P10/295

Abstract: A method for fabricating a piston with a layering device via an additive manufacturing process is provided. The method may include forming a first layer of the piston on a substrate with a layering device, forming a second layer of the piston adjacent the first layer with the layering device, and binding the first layer with the second layer. The first layer of the piston may include a first material, and the second layer of the piston may include the first material and a second material.