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公开(公告)号：US20170298836A1
公开(公告)日：2017-10-19
申请号：US15132782
申请日：2016-04-19
CPC分类号： F02C9/18 , F01D17/105 , F04D27/001 , F04D27/0215 , F04D27/023 , F05D2260/80 , F05D2260/81 , F05D2270/44 , F05D2270/709 , F05D2270/71
摘要： In one example embodiment, a gas turbine system includes a gas turbine, a compressor bleed valve, various sensors, and a valve health assessment system. The compressor bleed valve bleeds a portion of air received by the compressor during certain operating modes. The valve health assessment system includes a processor that uses a neural network model to generate a first failure mode predictor of the compressor bleed valve by processing operational data provided by the various sensors. The processor also generates a second failure mode predictor of the compressor bleed valve by using empirical data and a valve transfer function. The processor further generates a third failure mode predictor of the compressor bleed valve by using predictive data and a prediction model. The processor then applies a holistic procedure to the three failure mode predictors to derive a probability of occurrence of a failure in the compressor bleed valve.
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公开(公告)号：US20170260987A1
公开(公告)日：2017-09-14
申请号：US15067318
申请日：2016-03-11
发明人： Fumiaki Onodera
IPC分类号： F04D27/02 , F04D29/44 , F25B49/02 , F04D29/28 , F25B1/10 , F25B31/02 , F04D29/42 , F04D29/46
CPC分类号： F04D27/0215 , F04D27/0246 , F04D29/284 , F04D29/4206 , F04D29/4213 , F04D29/444 , F04D29/462 , F04D29/685 , F25B1/10 , F25B31/026 , F25B49/022
摘要： A centrifugal compressor for a chiller system includes a casing, an inlet guide vane, an impeller disposed downstream of the inlet guide vane, a motor and a diffuser. The casing has inlet and outlet portions with the inlet guide vane disposed in the inlet portion. The impeller is attached to a shaft rotatable about a rotation axis, and the motor rotates the shaft in order to rotate the impeller. The centrifugal compressor further includes a casing treatment bypass having an entrance port and an exit port. The casing treatment bypass injects refrigerant from a gap between the impeller and the inlet portion of the casing toward an area between the impeller and the inlet guide vane. The exit port of the casing treatment bypass is positioned upstream in a direction of a refrigerant flow with respect to the entrance port of the casing treatment bypass.
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公开(公告)号：US20170211465A1
公开(公告)日：2017-07-27
申请号：US15372333
申请日：2016-12-07
发明人： Manuel Marques , Gladys Gaude , Bruno Batista , Alexandre Rigault
CPC分类号： F02B37/16 , F02B2037/125 , F04D17/10 , F04D27/0215 , F04D27/0238 , F04D29/4213 , F04D29/4233 , F04D29/665 , F04D29/685 , F05D2220/40 , Y02T10/144
摘要： A compressor includes a compressor housing defining a cavity, and a compressor wheel disposed in the cavity, the compressor housing defining an inlet for leading air into the compressor wheel, a discharge volute for receiving air compressed by the compressor wheel, and a recirculation duct connected to the inlet at a location upstream of the compressor wheel. A recirculation valve is disposed between the discharge volute and the recirculation duct for regulating air flow through the recirculation duct into the inlet. The recirculation duct defines multiple parallel channels, the multiple parallel channels respectively conducting multiple parallel streams of air from the recirculation valve into the inlet.
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公开(公告)号：US20170191484A1
公开(公告)日：2017-07-06
申请号：US14984473
申请日：2015-12-30
CPC分类号： F04D27/009 , F01D9/06 , F01D17/105 , F02C6/08 , F02C9/18 , F04D27/0215 , F04D27/023 , F04D29/321 , F04D29/522 , F04D29/542 , F04D29/545 , F04D29/547 , F05D2220/32 , F05D2230/60
摘要： A compressor for a gas turbine engine includes a stator and a rotor. The stator includes first and second stator vanes attached to first and second vane platforms, respectively. The rotor includes a plurality of rotor blades that rotate with respect to the stator. An inner stator casing supports the first and second vane platforms and encloses the stator and the rotor. An outer stator casing encloses the inner stator casing, and a bleed cavity is disposed therebetween. At least one diffuser is disposed between the first vane platform and the second vane platform, and is configured to allow air communication between the inner stator casing and the bleed cavity. An exit opening of the diffuser is disposed within the bleed cavity at a location separate from the inner stator casing and the outer stator casing.
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公开(公告)号：US20170167496A1
公开(公告)日：2017-06-15
申请号：US14964620
申请日：2015-12-10
CPC分类号： F04D27/0215 , F02C7/047 , F02C7/052 , F02C7/24 , F02C9/18 , F04D27/0276 , F05D2220/32 , F05D2260/601 , F05D2260/606 , F05D2270/101
摘要： The present application provides an inlet bleed heat control system for a compressor of a gas turbine engine. The inlet bleed heat control system provides an inlet bleed heat manifold and an ejector in communication with the inlet bleed heat manifold such that the ejector is in communication with a flow of compressor discharge air and a flow of ambient air.
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公开(公告)号：US09677472B2
公开(公告)日：2017-06-13
申请号：US13646822
申请日：2012-10-08
发明人： Brittany Travis , Crystal Monteiro , Sean Nolan , Rishon Saftler , John P. Virtue, Jr. , Stephen A. Sarcich
CPC分类号： F02C6/08 , F02C9/18 , F04D27/0207 , F04D27/0215 , F04D27/023 , F04D29/526 , F04D29/644 , Y10T29/49236
摘要： A disclosed gas turbine engine includes a case for a case for a compressor section including a bleed air slot. The bleed air slot includes an inlet having a first area radially inward of an outlet having a second area with the second area being greater than the first area. The bleed air slot further includes a center portion disposed along a radial line extending from an axis of the engine and an elongated portion extending from the opening at an angle relative to a line normal to the radial line.
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公开(公告)号：US20170114910A1
公开(公告)日：2017-04-27
申请号：US14922709
申请日：2015-10-26
发明人： Nathan W. Ottow , Nathan J. Cooper
IPC分类号： F16K11/076 , F04D27/00
CPC分类号： F16K11/076 , F02C7/042 , F02C7/057 , F04D27/001 , F04D27/0215 , F04D27/023 , F04D29/5853 , F05D2260/83 , F16K3/24 , F16K3/26 , F16K31/52 , F16K31/523 , Y10T137/87491 , Y10T137/87523
摘要： According to one aspect, a rotary exhaust valve system includes an arcuate ring having a first plurality of apertures and a rotary valve ring disposed in an overlapping relation with the arcuate ring. The rotary valve ring has a second plurality of apertures forming therein corresponding to at least some of the first plurality of apertures. A first crank is disposed in a first side of the rotary exhaust valve system, and a second crank is disposed in a second side of the rotary exhaust valve system. The second crank is connected to the first crank and the rotary valve ring, and the first crank actuates the second crank and moves the rotary valve ring such that openings of the first plurality of apertures are closed and opened.
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公开(公告)号：US20170114657A1
公开(公告)日：2017-04-27
申请号：US15276498
申请日：2016-09-26
申请人： ROLLS-ROYCE plc
发明人： Zahid HUSSAIN , Clare L. BEWICK , Richard PEACE
CPC分类号： F01D17/105 , F01D17/148 , F02C6/08 , F02C9/18 , F02K3/075 , F04D27/0215 , F04D29/526 , F05D2220/32 , F05D2240/40 , F05D2270/101 , F16K1/223 , F16K31/521 , Y02T50/672
摘要： A bleed valve arrangement for a gas turbine engine comprises a bleed valve housing defining a bleed duct through which a bleed flow may pass in use and a valve within the bleed duct operable between a closed position and an open position. The valve position is continuously variable between the closed position and the open position. The arrangement further comprises an ejection duct downstream of the bleed duct. The arrangement is characterised in that the ejection duct has a greater cross-sectional area than the bleed duct immediately downstream of the bleed duct so that the bleed flow experiences a sudden expansion on passing from the bleed duct into the ejection duct.
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19.发明授权Gas turbine engine two degree of freedom variable bleed valve for ice extraction 有权燃气涡轮发动机两个自由度可变放气阀用于取冰公开(公告)号：US09518513B2
公开(公告)日：2016-12-13
申请号：US13750346
申请日：2013-01-25
申请人： Byron Andrew Pritchard, Jr. , Paul Alfred Pezzi , George Gould Cunningham, III , Thomas Ory Moniz , Steven Alan Ross , Raymond Gust Holm
发明人： Byron Andrew Pritchard, Jr. , Paul Alfred Pezzi , George Gould Cunningham, III , Thomas Ory Moniz , Steven Alan Ross , Raymond Gust Holm
CPC分类号： F02C9/18 , F01D17/105 , F02C7/052 , F04D27/0215 , F04D27/023 , F05D2250/42
摘要： A gas turbine engine variable bleed apparatus includes a variable bleed valve door disposed in a bleed inlet in a transition duct, rotatable about two or more separate pivot points, operable to open and close an aft bleed slot extending outwardly from transition duct, and operable to open and close a forward bleed slot extending inwardly into transition duct. Door is operable to transition between a first position with aft bleed slot open and forward bleed slot closed to a second position with aft bleed slot closed and forward bleed slot open without fully closing door. Door is rotatable about an axis translatable between the two or more separate pivot points. Transition duct having a transition duct conical angle at least about 10 degrees greater than a booster conical angle of a booster outer shroud upstream of transition duct.
摘要翻译： 燃气涡轮发动机可变放气装置包括设置在过渡管道中的放气入口中的可变放气阀门，可绕两个或更多个独立的枢转点旋转，可操作以打开和关闭从过渡管道向外延伸的后排出槽，并可操作 打开并关闭向内延伸到过渡管道中的向前排放槽。 门可操作以在第一位置与后排泄槽开放之间转换，而向前泄放槽封闭到第二位置，后排出槽关闭且向前排放槽打开而没有完全关闭门。 门可围绕可在两个或更多个独立枢轴点之间平移的轴线旋转。 过渡管道具有比过渡管道上游增压器外护罩的增压锥角大至少约10度的过渡管道锥形角度。
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20.发明申请COMBINED STABILITY AND CUSTOMER BLEED WITH DIRT, WATER AND ICE REJECTION 有权组合稳定性和客户与DIRT，WATER和ICE REJECTION结合公开(公告)号：US20160326957A1
公开(公告)日：2016-11-10
申请号：US14706748
申请日：2015-05-07
发明人： Matthew R. Feulner , Brian D. Merry , Jesse M. Chandler , Gabriel L. Suciu , Joseph B. Staubach
CPC分类号： F02C6/08 , F02C3/10 , F02C7/052 , F02K3/06 , F04D27/0215 , F04D29/526 , F04D29/701 , F05D2210/12 , F05D2220/36 , F05D2260/607 , F05D2260/608 , F05D2270/101 , Y02T50/675
摘要： A compressor section of a gas turbine engine includes a bleed port having a flow splitter therein so as to define a downstream bleed channel having a downstream inlet and an upstream bleed channel having an upstream inlet that is positioned radially outward from the downstream inlet.
摘要翻译： 燃气涡轮发动机的压缩机部分包括具有分流器的排出口，以便限定具有下游入口的下游排放通道和具有从下游入口径向向外定位的上游入口的上游排出通道。
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