Nozzle arrangements and supply channels

Patent metadata

Field	Value
Publication number	US-11712896-B2
Application number	US-202217713200-A
Country	US
Kind code	B2
Filing date	Apr 4, 2022
Priority date	Mar 12, 2018
Publication date	Aug 1, 2023
Grant date	Aug 1, 2023

Abstract

Examples include a fluid ejection device. The fluid ejection device includes a fluid ejection die with a die length and a die width, the fluid ejection die being coupled with a support structure having a fluid supply channel therethrough. The fluid ejection die includes a plurality of nozzles arranged in columns at die length positions along the die length and die width positions along the die width such that only one nozzle is positioned at each die length position. A fluid ejection chamber is coupled with each respective nozzle of the plurality of nozzles, and fluid feed hole fluidically coupled with the fluid supply channel and each respective ejection chamber.

First claim

The invention claimed is:

1. A fluid ejection device comprising:
a support structure having at least one fluid supply channel therethrough; and
at least one fluid ejection die coupled with the support structure, each respective fluid ejection die of the at least one fluid ejection die having a die length and a die width, each respective fluid ejection die comprising:
a plurality of nozzles arranged at die length positions along the die length and die width positions in plural columns along the die width, the plurality of nozzles arranged such that only one nozzle is positioned at each die length position;
a plurality of fluid ejection chambers including a respective ejection chamber fluidically coupled with each respective nozzle of the plurality of nozzles; and
an array of fluid feed holes including at least one respective fluid feed hole fluidically coupled with the at least one fluid supply channel and each respective ejection chamber.

2. The fluid ejection device of claim 1 , wherein the plurality of nozzles of the at least one fluid ejection die includes a first plurality of nozzles arranged to zig-zag along the die length, the first plurality of nozzles fluidically coupled together, and a second plurality of nozzles arranged to zig-zag along the die length, the second plurality of nozzles fluidically coupled together.

3. The fluid ejection device of claim 1 , wherein the plurality of nozzles of the at least one fluid ejection die includes a first column of nozzles aligned along the die length at a first position along the die width, and a second column of nozzles aligned along the die length at a second position along the die width.

4. The fluid ejection device of claim 3 , wherein the first column of nozzles is arranged in plural nozzle groups, and the second column of nozzles is arranged in plural nozzle groups, the nozzle groups being configured to zig-zag between the first column and the second column along the die length.

5. The fluid ejection device of claim 4 , wherein nozzles in each nozzle group are spaced apart by a first distance, and the nozzle groups are spaced apart by a second distance, the second distance being greater than the first distance.

6. The fluid ejection device of claim 5 , wherein each nozzle group includes three nozzles.

7. The fluid ejection device of claim 1 , wherein the at least one fluid ejection die comprises a plurality of fluid ejection dies arranged along a length of the support structure in a generally end-to-end staggered manner.

8. The fluid ejection device of claim 7 , wherein the at least one fluid supply channel comprises at least two fluid supply channels through the support structure, the plurality of fluid ejection dies comprises a first set of fluid ejection dies fluidically coupled with a first fluid supply channel of the at least two fluid supply channels, and the plurality of fluid ejection dies comprises a second set of fluid ejection dies fluidically coupled with a second fluid supply channel of the at least two fluid supply channels.

9. The fluid ejection device of claim 1 , wherein the at least one respective fluid feed hole fluidically coupled with each respective ejection chamber includes a first respective fluid feed hole fluidically coupled with each respective ejection chamber, and the at least one respective fluid feed hole fluidically coupled with each respective ejection chamber includes a second respective fluid feed hole coupled with each respective ejection chamber, and each respective fluid ejection die of the at least one fluid ejection die further comprises:
an array of ribs in the respective fluid ejection die that define an array of fluid circulation channels, the array of fluid circulation channels fluidically coupled with the at least one fluid supply channel formed through the support structure, wherein the first fluid feed hole is fluidically coupled with a respective first fluid circulation channel, and the second fluid feed hole is fluidically coupled with a respective second fluid circulation channel.

10. A fluid ejection device comprising:
a support structure having at least one fluid supply channel therethrough; and
a plurality of fluid ejection dies, each respective fluid ejection die of the plurality comprising:
a plurality of nozzles arranged in plural nozzle columns along the die length and the die width in a staggered manner, each respective nozzle column of the plural nozzle columns extending along the die length at a different die width position and being defined by nozzles aligned along the die length, nozzles of the plurality of nozzles arranged such that each respective nozzle of a respective set of neighboring nozzles of the plurality of nozzles is arranged in a different respective nozzle column and at a different die length position along the die length;
an array of ribs that define an array of fluid circulation channels in the respective fluid ejection die, the array of fluid circulation channels fluidically coupled with the at least one fluid supply channel formed through the support structure; and
each respective nozzle column including an array of fluid feed holes with both a respective first fluid feed hole and a respective second fluid feed hole fluidically coupled with each respective nozzle of the respective nozzle column such that each respective nozzle is fluidically coupled with respective first and second fluid feed holes, each respective first fluid feed hole of each respective nozzle column fluidically coupled with a common respective first fluid circulation channel of the array of fluid circulation channels, and each respective second fluid feed hole of the respective nozzle column fluidically coupled with a common respective second fluid circulation channel of the array of fluid circulation channels.

11. The fluid ejection device of claim 10 , wherein each respective fluid ejection die of the plurality further comprises:
an interposer forming a surface of the array of fluid circulation channels, the interposer defining a die fluid input fluidly through which the array of fluid circulation channels and the at least one fluid supply channel are fluidically coupled, and the interposer further defining a die fluid output through which the array of fluid circulation channels and the at least one fluid supply channel are fluidically coupled.

12. The fluid ejection device of claim 10 , wherein the respective set of neighboring nozzles are aligned along a respective diagonal with respect to the die length and the die width, and the array of ribs are arranged parallel to the respective diagonal.

13. The fluid ejection device of claim 10 , wherein the plurality of fluid ejection dies are arranged generally end-to-end in a staggered manner along a length of the support structure in a first set of fluid ejection dies and a second set of fluid ejection dies, the at least one fluid supply channel includes a first fluid supply channel through the support structure and a second fluid supply channel through the support structure, the first set of fluid ejection dies are fluidically coupled with the first fluid supply channel, and the second set of fluid ejection dies are fluidically coupled with the second fluid supply channel.

14. A fluid ejection device comprising:
a support structure having a first fluid supply channel and a second fluid supply channel formed therethrough; and
at least one fluid ejection die, each respective fluid ejection die of the at least one fluid ejection die comprising:
a plurality of nozzle groups arranged along a die length and a die width of the respective fluid ejection die, the nozzle groups arranged in a fi

Assignees

• Hewlett Packard Development Co

Inventors

• Cook Galen
• Clark Garrett E
• Cumbie Michael W
• Przybyla James R
• Seaver Richard
• Derryberry Frank D
• Choy Si-Iam J

Classifications

• B41J2/145 Primary

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• B41J2202/12

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