公开(公告)号：US10309376B1

公开(公告)日：2019-06-04

申请号：US14858424

申请日：2015-09-18

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Rodger W. Dyson ,  Geoffrey A. Bruder

IPC分类号： F02D29/06 ,  F03G7/00

摘要： A thermo-acoustic engine and/or cooler is provided and includes an elongated tubular body, multiple regenerators disposed within the body, multiple heat exchangers disposed within the body, where at least one heat exchanger is disposed adjacent to each of the multiple regenerators, multiple transducers axially disposed at each end of the body, and an acoustic wave source generating acoustic waves. At least one of the acoustic waves is amplified by one of the regenerators and at least another acoustic wave is amplified by a second one of regenerators.

公开(公告)号：US10298060B2

公开(公告)日：2019-05-21

申请号：US15265308

申请日：2016-09-14

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Michael R. Wright

IPC分类号： B60L11/18 ,  H02J50/10 ,  B64G1/42

摘要： An apparatus and method of wirelessly powering an aerospace vehicle while the vehicle is on the ground is provided to solve a problem of supplying electric power for aircraft while idling on taxiways. Present systems typically require fuel-driven auxiliary power units (APU's) to generate electricity. Running APU's to power aircraft while idling requires over 443 million gallons of jet fuel annually at a cost of $1.3 billion dollars. This results in an estimated 4.7 megatons of carbon dioxide emissions annually. At the gate, shore power is provided via hardline connection.

公开(公告)号：US10272987B2

公开(公告)日：2019-04-30

申请号：US15005338

申请日：2016-01-25

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Travis L. Turner ,  Reggie T. Kidd ,  David P Lockard ,  Mehdi R. Khorrami ,  Craig L. Streett ,  Douglas Leo Weber

IPC分类号： B64C3/48 ,  B64C9/22 ,  B64C9/24

摘要： A slat cove filler is utilized to reduce airframe noise resulting from deployment of a leading edge slat of an aircraft wing. The slat cove filler is preferably made of a super elastic shape memory alloy, and the slat cove filler shifts between stowed and deployed shapes as the slat is deployed. The slat cove filler may be configured such that a separate powered actuator is not required to change the shape of the slat cove filler from its deployed shape to its stowed shape and vice-versa. The outer contour of the slat cove filler preferably follows a profile designed to maintain accelerating flow in the gap between the slat cove filler and wing leading edge to provide for noise reduction.

公开(公告)号：US10268453B1

公开(公告)日：2019-04-23

申请号：US15063147

申请日：2016-03-07

申请人： The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration

发明人： James Ong ,  Emilio Remolina ,  Peter I. Robinson

IPC分类号： G06F8/20 ,  G06F8/35 ,  G06F8/33

摘要： A method of communicating between one or more modules while executing a plan for a controlled system includes transmitting, by an execution manager, a request to a planner to create a plan in response to receiving a planning goals file. The method also includes transmitting, by the execution manager, the created plan to an adaptive controller for execution of the created plan within a controlled system, and receiving, by the execution manager, state estimates reporting diagnosis information of a controlled system.

公开(公告)号：US10259077B2

公开(公告)日：2019-04-16

申请号：US14666998

申请日：2015-03-24

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Christopher J. Wohl, Jr. ,  Marcus A. Belcher ,  John W. Connell ,  John W. Hopkins

IPC分类号： B23K26/362 ,  B23K26/40 ,  B23K26/352 ,  B32B38/10 ,  B23K26/354 ,  B08B17/06 ,  G02B1/12 ,  B23K26/00 ,  B23K103/10 ,  B23K103/14 ,  B23K103/16 ,  B23K103/00

摘要： Surface energy of a substrate is changed without the need for any template, mask, or additional coating medium applied to the substrate. At least one beam of energy directly ablates a substrate surface to form a predefined topographical pattern at the surface. Each beam of energy has a width of approximately 25 micrometers and an energy of approximately 1-500 microJoules. Features in the topographical pattern have a width of approximately 1-500 micrometers and a height of approximately 1.4-100 micrometers.

公开(公告)号：US10230216B1

公开(公告)日：2019-03-12

申请号：US14698050

申请日：2015-04-28

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Hung D. Nguyen ,  Rainee N. Simons ,  Edwin G. Wintucky

IPC分类号： H01S5/34 ,  G02B6/12 ,  H04J14/02 ,  H04Q11/00 ,  G01N21/3581

摘要： A tunable QCL source that utilizes a full bandwidth of a broadband THz QCL, and produces a significantly large number of frequency channels, is provided. The tunable QCL source includes a grating router configured to receive a terahertz frequency from a tunable quantum cascade laser and generate a plurality of terahertz frequencies. The tunable QCL source also includes a waveguide controller configured to receive the plurality of terahertz frequencies from the grating router, and select a desired terahertz frequency from the plurality of terahertz frequencies to be outputted by a waveguide multiplexer.

公开(公告)号：US10227950B1

公开(公告)日：2019-03-12

申请号：US15419571

申请日：2017-01-30

申请人： The United States of America, as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Rodger W. Dyson, Jr.

IPC分类号： F02G1/044 ,  F02G1/057 ,  F02G1/055

摘要： A thermoacoustic engine is provided that uses acoustic energy to operate a piston in a double-acting action. The acoustic energy is amplified as a sound wave travels through the thermoacoustic engine. The amplified acoustic energy is extracted and converted into usable electrical energy.

公开(公告)号：US10158335B2

公开(公告)日：2018-12-18

申请号：US15277223

申请日：2016-09-27

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Gerard T. Quilligan ,  Shahid Aslam

IPC分类号： H03F1/02 ,  H03F3/387 ,  H03F1/26 ,  H03F3/45 ,  H03F3/72 ,  H03G3/20

摘要： A Gated CDS Integrator (GCI) may amplify low-level signals without introducing excessive offset and noise. The GCI may also amplify the low level signals with accurate and variable gain. The GCI may include a modulator preceding an amplifier such that offset or noise present in a signal path between the modulator and a demodulator input is translated to a higher out of band frequency, and thereafter reduced by a double sampled discrete time integrator which also reduces thermal noise. The thermal noise may also be reduced by averaging the output of the discrete time integrator.

公开(公告)号：US10148352B1

公开(公告)日：2018-12-04

申请号：US15646687

申请日：2017-07-11

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Guangning Yang ,  Jeffrey R. Chen

IPC分类号： H04B10/08 ,  H04J14/00 ,  H04B10/079 ,  H04B10/61 ,  H04L7/00 ,  H04B7/185 ,  H04B10/50 ,  G01S17/36 ,  G01S17/93 ,  B64G3/00 ,  H04B10/071 ,  G08B13/08

摘要： An apparatus for measuring a distance between a first and second terminal includes a frame counter for determining a number of data frames traversing a distance between the first terminal 105 and the second terminal, a frame bit counter for determining a number of data clock bits offset between a transmitted data frame and a concurrently received data frame, a data clock phase detector for determining a phase difference between an RF data clock for the transmitted data frame and an RF data clock for the concurrently received data frame, and an optical carrier phase detector for determining a phase difference between an optical carrier used to transmit the transmitted data frame and an optical carrier for the concurrently received data frame. The distance between the first and second terminal is determined from a round trip transit time T between the first and second terminals.

公开(公告)号：US10089506B1

公开(公告)日：2018-10-02

申请号：US15697927

申请日：2017-09-07

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： Patrick W. Fink ,  Gregory Y. Lin ,  Timothy F. Kennedy ,  Phong H. Ngo

IPC分类号： G06F13/42 ,  G06K7/10

摘要： A system and sensor provides for radio frequency identification (RFID)-enabled information collection. The system includes a ring-shaped element and an antenna. The ring-shaped element includes a conductive ring and an RFID integrated circuit. The antenna is spaced apart from the ring-shaped element and defines an electrically-conductive path commensurate in size and shape to at least a portion of the conductive ring. In an alternate embodiment, the sensor system further comprises a reference ring-shaped element in a fixed relationship with respect to the antenna, with the reference ring-shaped element defining another series circuit to include an electrically-conductive reference ring and a reference RFID integrated circuit. The system may include an interrogator for energizing the ring-shaped element and receiving a data transmission from the RFID integrated circuit that has been energized for further processing by a processor.