公开(公告)号：US20180309888A1

公开(公告)日：2018-10-25

申请号：US15752850

申请日：2015-08-31

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

Inventor： David C. Collins ,  Jason Hower ,  Frank Perdicaro

IPC: H04N1/00 ,  G06K15/02 ,  H04N1/60

CPC classification number: H04N1/00649 ,  G06K15/021 ,  G06K15/1868 ,  G06K15/1873 ,  H04N1/0066 ,  H04N1/00978 ,  H04N1/506 ,  H04N1/6097

Abstract: Examples analyze at least one of a plurality of planes of image data of print content to determine media expansion characteristics for the print content based at least in part on the at least one of the planes of image data. Examples adjust, prior to printing the print content, at least one plane of image data based at least in part on the media expansion characteristics to thereby compensate for media expansion during printing of the print content.

公开(公告)号：US11685115B2

公开(公告)日：2023-06-27

申请号：US16493050

申请日：2018-03-12

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

Inventor： James R Przybyla ,  Jason Hower ,  Michael G Monroe ,  Galen P Cook

IPC: B29C64/209 ,  B33Y30/00 ,  B29C64/165

CPC classification number: B29C64/209 ,  B29C64/165 ,  B33Y30/00

Abstract: In one example in accordance with the present disclosure, an additive manufacturing module is described. The additive manufacturing module includes an agent distributor to selectively distribute a fabrication agent onto layers of build material. The agent distributor includes at least one fluidic ejection die. Each fluidic ejection die includes a plurality of nozzles arranged along a die length and a die width, the plurality of nozzles arranged such that, for each set of neighboring nozzles, a respective subset of each set of neighboring nozzles are positioned at different die width positions along the width of the fluidic ejection die. The fluidic ejection die also includes, for each respective nozzle of the plurality of nozzles, a respective ejection chamber fluidically coupled to the respective nozzle and for each respective ejection chamber, at least one respective fluid feed hole fluidically coupled to the respective ejection chamber.

公开(公告)号：US11548303B2

公开(公告)日：2023-01-10

申请号：US17261042

申请日：2018-11-13

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

Inventor： Mark H. Berg ,  Jason Hower ,  Jayanta Panditaratne ,  Ronald R. Anderson

IPC: B41J29/02 ,  B41J11/00

Abstract: In some examples, a convective gas bar can include a gas inlet to receive supply gas to a first portion of the convective gas bar, feed holes located in the first portion, a nozzle plate located in a second portion of the convective gas bar, where the nozzle plate includes nozzles, and the nozzles are adapted to receive and direct the supply gas from the feed holes through the nozzles.

公开(公告)号：US20210300071A1

公开(公告)日：2021-09-30

申请号：US17261042

申请日：2018-11-13

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

Inventor： Mark H. Berg ,  Jason Hower ,  Jayanta Panditaratne ,  Ronald R. Anderson

IPC: B41J11/00

Abstract: In some examples, a convective gas bar can include a gas inlet to receive supply gas to a first portion of the convective gas bar, feed holes located in the first portion, a nozzle plate located in a second portion of the convective gas bar, where the nozzle plate includes nozzles, and the nozzles are adapted to receive and direct the supply gas from the feed holes through the nozzles.

公开(公告)号：US12030310B2

公开(公告)日：2024-07-09

申请号：US17977559

申请日：2022-10-31

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

Inventor： Jason Hower ,  James R Przybyla ,  Vincent Korthuis ,  Eric T. Martin

IPC: B41J2/045

CPC classification number: B41J2/04508 ,  B41J2/0451 ,  B41J2/04513 ,  B41J2/04515 ,  B41J2/0458

Abstract: According to an example, a method for performing maintenance routines in a plurality of actuators comprises firing a set of actuators at different energies, determining turn on energy values for the set of actuators based on measurements measured via chamber sensors associated with the set of actuators at the different energies, determining turn on energy differences for the set of actuators based on the turn on energy values determined for the set of actuators and threshold turn on energy values associated with the set of actuators, and performing maintenance routines corresponding to the determined turn on energy differences.

公开(公告)号：US11998977B2

公开(公告)日：2024-06-04

申请号：US16499484

申请日：2018-03-15

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

Inventor： Vladek Kasperchik ,  James McKinnell ,  Mohammed S. Shaarawi ,  Michael G. Monroe ,  Jason Hower

IPC: B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10 ,  B22F10/14 ,  B22F10/28 ,  B22F10/73 ,  B29C64/165 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  B82Y30/00 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C08K3/11 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38

CPC classification number: B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10 ,  B22F10/14 ,  B22F10/73 ,  B29C64/165 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C08K3/11 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  B22F10/28 ,  B22F2304/10 ,  B22F2998/10 ,  B82Y30/00 ,  B22F2998/10 ,  B22F10/14 ,  B22F3/1021 ,  B22F2998/10 ,  B22F10/14 ,  B22F3/10

Abstract: An example of a composition includes a host metal present in an amount ranging from about 95.00 weight percent to about 99.99 weight percent, based on a total weight of the composition. A flow additive is also present in an amount ranging from about 0.01 weight percent to about 5.00 weight percent, based on the total weight of the composition. The flow additive consists of an organic material that is pyrolyzable at a pyrolysis temperature that is less than a sintering temperature of the host metal. The composition is spreadable, having a Hausner Ratio less than 1.25.

公开(公告)号：US20210323228A1

公开(公告)日：2021-10-21

申请号：US16493050

申请日：2018-03-12

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

Inventor： James R Przybyla ,  Jason Hower ,  Michael G Monroe ,  Galen P Cook

IPC: B29C64/209 ,  B29C64/165 ,  B33Y30/00

Abstract: In one example in accordance with the present disclosure, an additive manufacturing module is described. The additive manufacturing module includes an agent distributor to selectively distribute a fabrication agent onto layers of build material. The agent distributor includes at least one fluidic ejection die. Each fluidic ejection die includes a plurality of nozzles arranged a long a die length and a die width, the plurality of nozzles arranged such that, for each set of neighboring nozzles, a respective subset of each set of neighboring nozzles are positioned at different die width positions along the width of the fluidic ejection die. The fluidic ejection die also includes, for each respective nozzle of the plurality of nozzles, a respective ejection chamber fluidically coupled to the respective nozzle and for each respective ejection chamber, at least one respective fluid feed hole fluidically coupled to the respective ejection chamber.

公开(公告)号：US20210216252A1

公开(公告)日：2021-07-15

申请号：US17219421

申请日：2021-03-31

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

Inventor： Jason Hower ,  Frank Perdicaro ,  Mun Yew Lee ,  Bryan Crampton

IPC: G06F3/12 ,  B41J3/01 ,  B41J3/28 ,  B41J15/04 ,  B41J2/01

Abstract: In one example, a printing system includes a print engine and a print engine controller operatively connected to the print engine to print, on a single substrate web, graphics for multiple different layouts of corrugated boxes to be lined with the web and machine readable images representing corrugator control information for making the multiple different layouts.

公开(公告)号：US20210001546A1

公开(公告)日：2021-01-07

申请号：US16499572

申请日：2018-04-19

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

Inventor： Vladek Kasperchik ,  Mohammed S. Shaarawi ,  James McKinnell ,  Michael G. Monroe ,  Jason Hower

IPC: B29C64/165 ,  B22F1/00 ,  B33Y70/00 ,  B33Y10/00

Abstract: An example of a composition includes a host metal present in an amount ranging from about 95.00 weight percent to about 99.99 weight percent, based on a total weight of the composition. A flow additive is present in an amount ranging from about 0.01 weight percent to about 5.00 weight percent, based on the total weight of the composition. The flow additive consists of a metal containing compound that is reducible to an elemental metal in a reducing environment at a reducing temperature less than or equal to a sintering temperature of the host metal. The elemental metal is capable of being incorporated into a bulk metal phase of the host metal in a final metal object. The composition is spreadable, having a Hausner Ratio less than 1.25.

公开(公告)号：US20240140086A1

公开(公告)日：2024-05-02

申请号：US17977559

申请日：2022-10-31

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

Inventor： Jason Hower ,  James R PRZYBYLA ,  Vincent KORTHUIS ,  Eric MARTIN

IPC: B41J2/045

CPC classification number: B41J2/04508 ,  B41J2/04586

Abstract: According to an example, a method for performing maintenance routines in a plurality of actuators comprises firing a set of actuators at different energies, determining turn on energy values for the set of actuators based on measurements measured via chamber sensors associated with the set of actuators at the different energies, determining turn on energy differences for the set of actuators based on the turn on energy values determined for the set of actuators and threshold turn on energy values associated with the set of actuators, and performing maintenance routines corresponding to the determined turn on energy differences.