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公开(公告)号：US20240125271A1
公开(公告)日：2024-04-18
申请号：US18071368
申请日：2022-11-29
发明人： David Raju Yamarthi , Adam Joesph Wangler , Santosh Kumar Pattnaik , Brian G. Brzek , Ravindra Shankar Ganiger
CPC分类号： F02C7/14 , F02C9/00 , F05D2220/36 , F05D2260/213 , F05D2270/303
摘要： Example pump systems having dual-function annular heat exchangers are disclosed. An example pump system to pressurize a fluid within a closed loop transport bus includes a pump to move the fluid, a conduit in fluid connection with the pump, a heat exchanger positioned around at least a portion of the conduit, the heat exchanger to receive a first electrical signal transmitted in a first direction at a first time and a second electrical signal transmitted in a second direction at a second time different from the first time, the second direction opposite the first direction.
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公开(公告)号：US20240076989A1
公开(公告)日：2024-03-07
申请号：US18081151
申请日：2022-12-14
发明人： David Raju Yamarthi , Ravindra Shankar Ganiger , Vasanth Kumar Balaramudu , Vishnu Vardhan Venkata Tatiparthi , Nitesh Jain , Vidyashankar Ramasastry Buravalla
IPC分类号： F01D5/14
CPC分类号： F01D5/147 , F05D2230/60
摘要： An airfoil assembly extends along a radial direction between a root and a tip, the airfoil assembly comprising: a first blade segment positioned proximate the root of the airfoil assembly; a second blade segment positioned adjacent the first blade segment along the radial direction; and a tensioning assembly comprising a plurality of tensioning strings that extend between and mechanically couple the first blade segment and the second blade segment.
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公开(公告)号：US20230392605A1
公开(公告)日：2023-12-07
申请号：US17832360
申请日：2022-06-03
发明人： David Raju Yamarthi , Brian G. Brzek , Adam Joseph Wangler , David Justin Brady , Prachi Anand Tappu , Santosh Pattnaik , Mohan Kannaiah Raju
IPC分类号： F04D29/046 , F04D25/06 , F04D29/20
CPC分类号： F04D29/046 , F04D25/06 , F04D29/20
摘要： Impeller bearings for pumps are disclosed. An example fluid pump includes a motor, a shaft coupled to a rotor of the motor, an impeller coupled to the shaft, a first radial bearing positioned around the shaft of the motor aft of the motor, and a second radial bearing positioned around the impeller.
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公开(公告)号：US20230358255A1
公开(公告)日：2023-11-09
申请号：US17840414
申请日：2022-06-14
发明人： David Raju Yamarthi , Ravindra Shankar Ganiger , Mohan Kannaiah Raju , Prachi Anand Tappu , Santosh Pattnaik , Shishir Paresh Shah , Adam Joseph Wangler
IPC分类号： F04D29/70 , F04D13/06 , F04D29/049 , F04D29/06
CPC分类号： F04D29/708 , F04D13/06 , F04D29/049 , F04D29/061
摘要： Oil lubricated supercritical fluid pumps with oil separators are disclosed herein. An example pump system to pressurize a fluid within a closed loop thermal transport bus disclosed herein includes a pump housing, a duct fluidly coupled to the pump housing, a first portion of the duct to include a mixture of an oil and the supercritical fluid, a second portion of the duct to include the supercritical fluid, and a separator positioned in a third portion of the duct between the first portion of the duct and the second portion of the duct, the separator to separate the oil in the mixture from the supercritical fluid.
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公开(公告)号：US20230358247A1
公开(公告)日：2023-11-09
申请号：US17840406
申请日：2022-06-14
发明人： David Raju Yamarthi , Ravindra Shankar Ganiger , Adam Joseph Wangler , Mohan Kannaiah Raju , Prachi Anand Tappu , Santosh Kumar Pattnaik , Shishir Paresh Shah , Brandon W. Miller , Daniel A. Niergarth , Kevin Edward Hinderliter
IPC分类号： F04D29/06 , F04D13/06 , F04D29/046 , F04D1/00
CPC分类号： F04D29/046 , F04D1/00 , F04D13/06 , F04D29/061
摘要： A pump system to pressurize a fluid within a closed loop transport bus is disclosed herein. The example of the pump system disclosed herein includes a pump, including an impeller, to increase kinetic energy of a fluid flowing through the impeller; an electric motor, including a rotor shaft connected to the impeller, to provide torque to the rotor shaft; a first bearing to support the rotor shaft at a first operational speed range, the first bearing coupled to an inner race; a second bearing to support the rotor shaft at a second operational speed range, the rotor shaft coupled to an outer race; and one or more sprag elements configured to: engage the inner race with the outer race at the first operational speed range; and disengage the inner race from the outer race at the second operational speed range.
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公开(公告)号：US20240318571A1
公开(公告)日：2024-09-26
申请号：US18357374
申请日：2023-07-24
CPC分类号： F01D11/025 , F01D11/08 , F16J15/442
摘要： A turbine engine is provided. The gas turbine engine defines a radial direction, and includes: a rotor; a stator comprising a carrier; a seal assembly disposed between the rotor and the stator, the seal assembly comprising a seal segment having a seal face forming a fluid bearing with the rotor; and a seal support assembly comprising a torsional spring extension extending from the carrier, from the seal segment, or both, to bias the seal segment along the radial direction.
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公开(公告)号：US20240318570A1
公开(公告)日：2024-09-26
申请号：US18189379
申请日：2023-03-24
发明人： Ravindra Shankar Ganiger , David Raju Yamarthi , Chandrashekhar Kandukuri , Deepak Trivedi , Narendra Anand Hardikar , Vidyashankar Ramasastry Buravalla , Steven Douglas Johnson , Amit Goyal , Grant Robert Portune , Himanshu Gupta , Srinivasan Swaminathan , Shalini Thimmegowda , Guru Venkata Dattu Jonnalagadda , Shalabh Saxena , Prateek Jalan
IPC分类号： F01D11/02
CPC分类号： F01D11/025 , F05D2240/53 , F05D2240/55 , F05D2260/38
摘要： A turbine engine is provided. The turbine engine defines an axial direction and a radial direction, and includes: a rotor; a stator comprising a carrier; a seal assembly disposed between the rotor and the stator, the seal assembly defining a high-pressure side and a low-pressure side and comprising a plurality of seal segments, the plurality of seal segments including a seal segment having a seal face forming a fluid bearing with the rotor, a lip, and a body, the lip extending from the body along the axial direction of the turbine engine on the high-pressure side and including an outer pressurization surface along the radial direction of the turbine engine; and a seal support assembly, the seal support assembly comprising a spring arrangement extending between the carrier and the first seal segment to counter a pressure on the outer pressurization surface during operation of the turbine engine.
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公开(公告)号：US20240263646A1
公开(公告)日：2024-08-08
申请号：US18496599
申请日：2023-10-27
IPC分类号： F04D29/58 , F04D17/08 , F04D27/02 , F04D29/056
CPC分类号： F04D29/5826 , F04D17/08 , F04D27/023 , F04D29/056
摘要： Methods and apparatus to provide vortex cooled secondary flow for a supercritical carbon dioxide pump are disclosed herein. An example thermal management system includes a hot secondary flow extract section fluidly coupled to an outlet of a pump system, a cooled secondary flow section fluidly coupled to the hot secondary flow extract section, the hot secondary flow extract section including a vortex tube to generate cooled secondary air flow from hot secondary flow extract air of the hot secondary flow extract section, and a bearing inlet fluidly coupled to the cooled secondary flow section, the bearing inlet positioned to route the cooled secondary flow to bearings of the pump system.
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公开(公告)号：US20240240572A1
公开(公告)日：2024-07-18
申请号：US18583547
申请日：2024-02-21
CPC分类号： F01D25/168 , F01D3/04 , F01D15/08
摘要： Apparatus, systems, and articles of manufacture are disclosed to dynamically support axial thrust in pumps. An example apparatus disclosed herein includes a first thrust pad, a second thrust pad, and a thrust disc between the first thrust pad and the second thrust pad, the thrust disc including a first side adjacent to the first thrust pad. a second side adjacent to the second thrust pad, an outer surface, a first channel extending between the outer surface to the first side, and a second channel extending between the outer surface of the thrust disc to the second side.
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公开(公告)号：US20240167433A1
公开(公告)日：2024-05-23
申请号：US18149570
申请日：2023-01-03
发明人： David Raju Yamarthi , Rodrigo Rodriguez Erdmenger , Maysaa Rizk , Adam Joseph Wangler , Ismail Hakki Sezal
CPC分类号： F02K3/00 , F02C7/141 , F05D2220/323 , F05D2240/50 , F05D2240/60
摘要： Dual compression-expansion pumps and related methods are disclosed. An example fluid pump includes a shaft, a motor coupled to the shaft, the motor to drive a rotation of the shaft, a compressor coupled to a first end of the shaft, a turbine coupled to a second end of the shaft opposite the first end, and a housing including a first inlet, a second inlet, a third inlet, a first outlet, and a second outlet, the first outlet fluidly coupled to the second inlet, the second outlet fluidly coupled to the third inlet.
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