公开(公告)号：US11708841B2

公开(公告)日：2023-07-25

申请号：US17026124

申请日：2020-09-18

Applicant: Massachusetts Institute of Technology

Inventor： Hilary A. Johnson ,  Alexander H. Slocum ,  Kevin P. Simon

IPC: F04D29/46 ,  F04D15/00 ,  F04D29/42 ,  F04D29/44

CPC classification number: F04D29/426 ,  F04D15/0027 ,  F04D29/445 ,  F04D29/468 ,  F05D2250/52

Abstract: Centrifugal pump systems and related methods are disclosed herein that can shift a best efficiency point of a pump based on one or more operating conditions to operate more efficiently across and/or adjust to a broader range of conditions. Pumps provided for herein can include an adaptive volute in which a geometry of the volute can be adjusted to shift an operating efficiency of the pump. In some embodiments, a height or radial dimension of the adaptive volute can be adjusted based on one or more operating condition. A geometry of the adaptive volute can be adjusted during operation of the pump and/or while an impeller is disposed within the volute. In some embodiments, a first and second collar can be disposed within the adaptive volute. Rotation of the first component can move the second component axially, which can expand or contract an axial dimension of the adaptive volute.

公开(公告)号：US20200061985A1

公开(公告)日：2020-02-27

申请号：US16502313

申请日：2019-07-03

Applicant: Massachusetts Institute of Technology

Inventor： Brian L. Wardle ,  Anastasios John Hart ,  Enrique J. Garcia ,  Alexander H. Slocum

IPC: B32B37/02 ,  C01B32/162 ,  C01B32/18 ,  B82B1/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08J5/00 ,  D01F9/127 ,  D01F9/133

Abstract: The present invention provides methods for uniform growth of nanostructures such as nanotubes (e.g., carbon nanotubes) on the surface of a substrate, wherein the long axes of the nanostructures may be substantially aligned. The nanostructures may be further processed for use in various applications, such as composite materials. For example, a set of aligned nanostructures may be formed and transferred, either in bulk or to another surface, to another material to enhance the properties of the material. In some cases, the nanostructures may enhance the mechanical properties of a material, for example, providing mechanical reinforcement at an interface between two materials or plies. In some cases, the nanostructures may enhance thermal and/or electronic properties of a material. The present invention also provides systems and methods for growth of nanostructures, including batch processes and continuous processes.

公开(公告)号：US20170082322A1

公开(公告)日：2017-03-23

申请号：US15310536

申请日：2015-05-13

Applicant: Massachusetts Institute of Technology

Inventor： Alexander H. Slocum ,  Ronald B. Campbell, JR.

IPC: F24J2/10 ,  F24J2/12

Abstract: Reflectors for solar concentration and methods for formation thereof. A reflective assembly (1340) may include a plurality of elongate panels (370) forming a continuous trough (1330), and a frame (1230) configured to support the panels, with the frame with attached panels defining a parabolic contour on the top side of the trough.

公开(公告)号：US09394175B2

公开(公告)日：2016-07-19

申请号：US14858981

申请日：2015-09-18

Applicant: Massachusetts Institute of Technology

Inventor： Anastasios John Hart ,  Brian L. Wardle ,  Enrique J. Garcia ,  Alexander H. Slocum

IPC: C01B31/02 ,  D01F9/12 ,  D01F9/127

CPC classification number: C01B31/024 ,  B01J21/04 ,  B01J23/745 ,  B82B1/00 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/158 ,  C01B32/16 ,  C01B32/162 ,  C01B32/164 ,  C01B32/18 ,  C01B2202/08 ,  D01F9/127 ,  D01F9/133 ,  D06M11/74 ,  D06M23/08 ,  Y02P20/582 ,  Y02P20/584 ,  Y10S977/742 ,  Y10S977/843

Abstract: The present invention provides methods for uniform growth of nanostructures such as nanotubes (e.g., carbon nanotubes) on the surface of a substrate, wherein the long axes of the nanostructures may be substantially aligned. The nanostructures may be further processed for use in various applications, such as composite materials. For example, a set of aligned nanostructures may be formed and transferred, either in bulk or to another surface, to another material to enhance the properties of the material. In some cases, the nanostructures may enhance the mechanical properties of a material, for example, providing mechanical reinforcement at an interface between two materials or plies. In some cases, the nanostructures may enhance thermal and/or electronic properties of a material. The present invention also provides systems and methods for growth of nanostructures, including batch processes and continuous processes.

Abstract translation: 本发明提供了在衬底的表面上纳米结构例如纳米管（例如，碳纳米管）均匀生长的方法，其中纳米结构的长轴可以基本上对齐。 纳米结构可以进一步加工以用于各种应用中，例如复合材料。 例如，可以将一组对准的纳米结构体在本体或另一表面中形成并转移到另一种材料上以增强材料的性质。 在一些情况下，纳米结构可以增强材料的机械性能，例如在两个材料或层之间的界面处提供机械加强。 在一些情况下，纳米结构可以增强材料的热和/或电子性质。 本发明还提供用于生长纳米结构的系统和方法，包括间歇方法和连续方法。

公开(公告)号：US20210300009A1

公开(公告)日：2021-09-30

申请号：US17163936

申请日：2021-02-01

Applicant: Massachusetts Institute of Technology

Inventor： Brian L. Wardle ,  Anastasios John Hart ,  Enrique J. Garcia ,  Alexander H. Slocum

IPC: B32B37/02 ,  C01B32/162 ,  C01B32/18 ,  B82B1/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08J5/00 ,  D01F9/127 ,  D01F9/133

Abstract: The present invention provides methods for uniform growth of nanostructures such as nanotubes (e.g., carbon nanotubes) on the surface of a substrate, wherein the long axes of the nanostructures may be substantially aligned. The nanostructures may be further processed for use in various applications, such as composite materials. For example, a set of aligned nanostructures may be formed and transferred, either in bulk or to another surface, to another material to enhance the properties of the material. In some cases, the nanostructures may enhance the mechanical properties of a material, for example, providing mechanical reinforcement at an interface between two materials or plies. In some cases, the nanostructures may enhance thermal and/or electronic properties of a material. The present invention also provides systems and methods for growth of nanostructures, including batch processes and continuous processes.

公开(公告)号：US20210087487A1

公开(公告)日：2021-03-25

申请号：US16613692

申请日：2018-05-16

Applicant: Massachusetts Institute of Technology

Inventor： Kevin S. Kung ,  Alexander H. Slocum ,  Santosh Janardhan Shanbhouge ,  Ahmed Fouad Ghoniem ,  Robert James Stoner

IPC: C10L9/08 ,  C10L5/44 ,  B01J6/00 ,  B01J19/00

Abstract: Systems and methods associated with biomass decomposition are generally described. Certain embodiments are related to adjusting a flow rate of a fluid comprising oxygen into a reactor in which biomass is decomposed. The adjustment may be made, at least in part, based upon a measurement of a characteristic of the reactor and/or a characteristic of the biomass. Certain embodiments are related to cooling at least partially decomposed biomass. The biomass may be cooled by flowing a gas over an outlet conduit in which the biomass is cooled, and then directing the gas to a reactor after it has flowed over the outlet conduit. Certain embodiments are related to systems comprising a reactor and an outlet conduit configured such that greater than or equal to 75% of its axially projected cross-sectional area is occupied by a conveyor. Certain embodiments are related to systems comprising a reactor comprising an elongated compartment having a longitudinal axis arranged substantially vertically and an outlet conduit comprising a conveyor.

公开(公告)号：US10703048B2

公开(公告)日：2020-07-07

申请号：US16230403

申请日：2018-12-21

Applicant: Massachusetts Institute of Technology

Inventor： Nikhil Padhye ,  David Moore Parks ,  Bernhardt Levy Trout ,  Alexander H. Slocum

IPC: B29C65/02 ,  B32B37/06 ,  B32B37/10 ,  C09J5/00 ,  B29C65/14 ,  B29C65/72 ,  B29C65/82 ,  B29C65/00 ,  G05G15/08 ,  B32B37/00 ,  B29K105/00

Abstract: Methods and apparatuses for bonding polymeric parts are disclosed. Specifically, in one embodiment, the polymeric parts are bonded by plastically deforming them against each other while they are below the glass transition temperatures.

公开(公告)号：US10399316B2

公开(公告)日：2019-09-03

申请号：US13679371

申请日：2012-11-16

Applicant: Massachusetts Institute of Technology

Inventor： Brian L. Wardle ,  Anastasios John Hart ,  Enrique J. Garcia ,  Alexander H. Slocum

IPC: B32B37/02 ,  B82B1/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08J5/00 ,  D01F9/127 ,  D01F9/133 ,  C01B32/162 ,  C01B32/18

Abstract: The present invention provides methods for uniform growth of nanostructures such as nanotubes (e.g., carbon nanotubes) on the surface of a substrate, wherein the long axes of the nanostructures may be substantially aligned. The nanostructures may be further processed for use in various applications, such as composite materials. For example, a set of aligned nanostructures may be formed and transferred, either in bulk or to another surface, to another material to enhance the properties of the material. In some cases, the nanostructures may enhance the mechanical properties of a material, for example, providing mechanical reinforcement at an interface between two materials or plies. In some cases, the nanostructures may enhance thermal and/or electronic properties of a material. The present invention also provides systems and methods for growth of nanostructures, including batch processes and continuous processes.

公开(公告)号：US10201655B2

公开(公告)日：2019-02-12

申请号：US14421267

申请日：2013-08-07

Applicant: The Brigham and Women's Hospital, Inc. ,  Massachusetts Institute of Technology

Inventor： Eoin D. O'Cearbhaill ,  Bryan Laulicht ,  Alexander H. Slocum ,  Robert S. Langer ,  Omid C. Farokhzad ,  Jeffrey M. Karp

IPC: A61M5/158 ,  A61B17/34 ,  A61M5/32 ,  A61M5/46 ,  A61M5/162 ,  A61B90/00

Abstract: An apparatus provides targeted placement of openings for infusing fluids into a body. The apparatus provides a driving force to a penetrating medical device, such as a needle, when the apparatus tip encounters material of high resistance. When the apparatus tip encounters a low resistance material, no further driving force is applied to the apparatus due to contraction of an element made of interlaced flexible elements. A multi-opening needle is provided in some embodiments wherein placement of one of the openings in a target region with a relatively lower external pressure allows pressurized fluid to exit the needle while openings remaining in higher pressure, non-target regions do not release substantial amounts of the fluid.

公开(公告)号：US10053798B2

公开(公告)日：2018-08-21

申请号：US14701218

申请日：2015-04-30

Applicant: Massachusetts Institute of Technology

Inventor： Alexander H. Slocum ,  Nicholas M. Sondej ,  Bernhardt Levy Trout ,  Gregory C. Rutledge ,  Indrani Bhattacharyya

IPC: B05B5/025 ,  D01D5/00 ,  A61J3/00 ,  A61K9/20 ,  A61J3/10

CPC classification number: D01D5/0076 ,  A61J3/00 ,  A61J3/10 ,  A61K9/2095 ,  B05B5/025

Abstract: Methods and systems for manufacturing a tablet are generally provided. Certain embodiments comprise electrodepositing (e.g., electrospinning) a material (e.g., the tablet material, for example, within a fluid) onto a substrate. The substrate can be, for example, an elongated rod. In some such embodiments, after material has been electrodeposited onto the substrate, a die comprising a cavity and the substrate can be moved relative to each other such that the electrodeposited material is at least partially stripped from the substrate and/or at least partially deposited into the cavity of the die. Some embodiments comprise compressing the material in the cavity to form a tablet.