公开(公告)号：US11305490B2

公开(公告)日：2022-04-19

申请号：US16097819

申请日：2016-07-22

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Joaquim Brugue Garvi ,  Alejandro Manuel De Pena ,  Esteve Comas ,  Juan Manuel Valero Navazo

IPC: B29C64/295 ,  B33Y30/00 ,  B29C64/393 ,  B29C64/386 ,  B33Y10/00 ,  B33Y50/00 ,  B29C64/20 ,  B29C64/165 ,  B29C64/364 ,  B33Y50/02 ,  B29C64/227

Abstract: There is disclosed additive manufacturing apparatus (10), (22), (34) comprising: a heater (18), (36) to direct radiant heat onto an irradiation region (20) of a build platform (12), at least part of the heater (18), (36) being moveable to cause the irradiation region (20) to traverse over the build platform (12); a coating module (14) moveable relative the heater (18), (36) to traverse the build platform (12) to apply a build material onto the build platform (12); and a print module (16) moveable relative the heater (18), (36) to traverse the build platform (12) to selectively eject a print agent onto the build material.

公开(公告)号：US11292195B2

公开(公告)日：2022-04-05

申请号：US16089065

申请日：2016-09-28

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Ferran Esquius ,  Juan Manuel Valero Navazo ,  Ignacio Alejandre ,  Esteve Comas

IPC: B29C64/295 ,  B22F3/105 ,  B29C64/153 ,  B29C64/393 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/205 ,  B22F10/20 ,  B22F10/30

Abstract: In an example, a method includes acquiring a thermal image of a reflector within an additive manufacturing apparatus through a screen. An energy profile of the thermal image of the reflector may be determined and, based on the energy profile, an operational characteristic of the screen may be determined.

公开(公告)号：US11235527B2

公开(公告)日：2022-02-01

申请号：US16097265

申请日：2016-05-12

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Cristian Ferris ,  Elena Laso Plaza ,  Esteve Comas ,  Pau Martin Vidal ,  Gerard Mosquera ,  Anna Torrent ,  Adrien Chiron

IPC: B29C64/321 ,  B33Y30/00 ,  B33Y40/00 ,  B29C64/295 ,  B29K105/00 ,  B33Y10/00 ,  B33Y50/02 ,  B29C64/386

Abstract: In example implementations, an apparatus includes a storage unit, an auger screw, a housing enclosing the auger screw and at least one heater coupled to the housing. The augers screw receives a build material from the storage unit and delivers the build material to a build platform via movement of the auger screw. The build material is heated by the at least one heater as the build material is being moved by the auger screw.

公开(公告)号：US11009408B2

公开(公告)日：2021-05-18

申请号：US16097256

申请日：2016-07-26

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Esteve Comas ,  Sergio De Santiago Dominguez ,  Marina Ferran Farres

IPC: G01K15/00 ,  G01J5/00 ,  G01K1/00 ,  G01K7/00 ,  B33Y30/00 ,  B29C64/393 ,  B29C64/264 ,  B33Y50/00 ,  G01J5/08 ,  G01J5/60 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y50/02

Abstract: Examples of temperature measurement calibration in an additive manufacturing system are described. In one case, a method of calibrating a non-contact temperature measurement device involves applying energy from a radiation source of the additive manufacturing system to heat a reference element. The reference element is thermally coupled to a temperature sensor. A temperature reading from the temperature sensor is compared with data from the non-contact temperature measurement device to calibrate the device.

公开(公告)号：US10981333B2

公开(公告)日：2021-04-20

申请号：US16089997

申请日：2016-04-26

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Lluis Hierro Domenech ,  Esteve Comas ,  Sergi Culubret

IPC: B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/165 ,  B22F10/10

Abstract: In an example, a method includes forming a layer of build material and selectively applying fusing agent on to the layer based on a predetermined pattern. Energy may be applied to the layer of build material, and at least one temperature of the layer may be measured. A temperature distribution over the layer of build material may be determined, the temperature distribution indicating, for each of a plurality of locations on the layer of build material, whether fusing agent is present at that location. At least one characteristic derived from the temperature distribution may be compared to a predetermined characteristic. When the compared characteristics differ, an operational characteristic of an additive manufacturing apparatus may be adjusted.

公开(公告)号：US10889059B2

公开(公告)日：2021-01-12

申请号：US15112141

申请日：2014-03-31

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Fernando Juan ,  Alejandro Manuel De Pena ,  Esteve Comas ,  Edward Dale Davis

IPC: B29C67/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  B29C64/25 ,  B29K105/00 ,  B29C64/165

Abstract: A build module is provided. The build module may include a housing and a build material chamber in the housing to hold build material. The build module may include a build chamber in the housing. The build material chamber may be beneath the build chamber or next to the build chamber. The build chamber may include a moveable support member to receive successive layers of the build material from a build material distributor. The build module may be removably insertable into a build receiver of an additive manufacturing system to allow the additive manufacturing system to solidify a portion the successive layers to be received onto the movable support member.

公开(公告)号：US20190084234A1

公开(公告)日：2019-03-21

申请号：US16093870

申请日：2017-05-10

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Alejandro Manuel de Pena ,  Ferran Esquius Berengueras ,  Esteve Comas ,  Arthur H. Barnes

IPC: B29C64/282 ,  B29C64/165 ,  B29C64/209 ,  B29C64/295

Abstract: A reflector includes a first reflector section and a second reflector section. The first reflector section extends along a portion of a first ellipse. The second reflector section extends along a portion of a second ellipse, the second ellipse intersecting the first ellipse. The first reflector section and the second reflector section are joined at an intersecting point of the first ellipse and the second ellipse.

公开(公告)号：US20180186075A1

公开(公告)日：2018-07-05

申请号：US15565332

申请日：2016-01-29

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Lluis Hierro Domenech ,  Sergi Culubret ,  Esteve Comas

IPC: B29C64/286 ,  G02B5/20 ,  B29C64/165 ,  B33Y30/00

CPC classification number: G02B26/004 ,  B29C64/165 ,  B29C64/286 ,  B29K2995/002 ,  B33Y30/00 ,  B33Y70/00 ,  G01J3/10 ,  G01J3/108 ,  G02B5/208 ,  G02B5/24

Abstract: In one example of the disclosure, a system for limitation of energy wavelengths applied during 3D printing includes an energy source to provide energy to a target zone during a 3D printing operation. The system includes a filter chamber through which the energy is to pass before arriving at the target zone. The system includes a filter chamber control component to selectively modify the contents of the filter chamber to limit the wavelengths of energy that can pass through the filter chamber based upon type of the target zone.

公开(公告)号：US20160332375A1

公开(公告)日：2016-11-17

申请号：US15111605

申请日：2014-01-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Fernando Juan ,  Alejandro Manuel De Pena ,  Esteve Comas ,  Edward Dale Davis

IPC: B29C67/00 ,  B33Y50/02 ,  B33Y30/00

CPC classification number: B29C67/0081 ,  B29C64/00 ,  B29C64/165 ,  B29C64/386 ,  B29C64/40 ,  B29K2105/251 ,  B33Y30/00 ,  B33Y50/02

Abstract: An apparatus for generating a three-dimensional object is provided. The apparatus may include a housing having a surface defining a build receiver to receive differently-sized build modules or to receive a plurality of build modules. The build modules may each include a build chamber to receive a layer of build material from a build material distributor. The apparatus may include an agent distributor to selectively deliver a coalescing agent onto portions of the layer of build material to be received from the build material distributor such that when energy is applied to the layer the portions of the layer coalesce and solidify to form a slice of the three-dimensional object.

Abstract translation: 提供一种用于产生三维物体的装置。 该装置可以包括壳体，其具有限定构建接收器的表面以接收不同尺寸的构建模块或接收多个构建模块。 构建模块可以各自包括构建室，以从构建材料分配器接收构建材料层。 该设备可以包括代理分配器，以选择性地将聚结剂递送到要从构建材料分配器接收的构建材料层的部分上，使得当能量施加到层时，层的部分聚结并固化以形成切片 的三维物体。

公开(公告)号：US11266937B2

公开(公告)日：2022-03-08

申请号：US16087702

申请日：2017-03-28

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Ignacio Alejandre ,  Esteve Comas ,  Sergi Culubret

IPC: B01D50/00 ,  B01D45/12 ,  B04C1/00 ,  B04C11/00

Abstract: In an example, an air filtration apparatus includes a cyclonic particle separation chamber having a first inlet to draw air from a first region, second inlet to draw air from a second region, and an exhaust port. The air filtration apparatus may further include a pressure sensor to sense a pressure of the first region, and a cyclonic air flow controller. The cyclonic air flow controller may control an air inflow received via the second inlet in response to an output from the pressure sensor to maintain a total air flow rate via the exhaust port.