Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Liquid ejection head and liquid ejection apparatus

A liquid ejection head and liquid technology, applied in printing and other directions, can solve problems such as easy escape

Pending Publication Date: 2022-07-29
SEIKO EPSON CORP
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if this structure is simply adopted, the pressure of each pressure chamber will easily escape to the common liquid chamber, so there is room for improvement in discharge performance.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Liquid ejection head and liquid ejection apparatus
  • Liquid ejection head and liquid ejection apparatus
  • Liquid ejection head and liquid ejection apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0024] 1-1. Overall structure of the liquid ejection device

[0025] figure 1 It is a block diagram which shows typically the liquid discharge apparatus 100 which concerns on 1st Embodiment. The liquid discharge apparatus 100 is an ink jet printing apparatus that discharges ink, which is an example of a liquid, onto the medium M as droplets. The medium M is typically printing paper. In addition, the medium M is not limited to printing paper, and may be a printing object of any material such as resin film or cloth, for example.

[0026] like figure 1 As shown, a liquid container 10 for storing ink is installed in the liquid ejecting device 100 . Specific examples of the liquid container 10 include, for example, an ink cartridge that can be attached to and detached from the liquid ejecting device 100 , a pouch-shaped ink bag formed of a flexible film, and an ink tank that can replenish ink. In addition, the kind of ink stored in the liquid container 10 is arbitrary.

[002...

no. 2 approach

[0095] Hereinafter, a second embodiment of the present invention will be described. Elements whose functions and functions are the same as those of the first embodiment in the modes illustrated below will be denoted by the reference numerals used in the description of the first embodiment, and detailed descriptions of them will be appropriately omitted.

[0096] Image 6 It is a cross-sectional view of the liquid ejection head 50A according to the second embodiment. The liquid ejection head 50A is the same as the liquid ejection head 50 of the above-described first embodiment except that the shape of the communication passage Ra1 is different. In addition, although not shown in the figure, the communication passage Ra2 is configured in the same manner as the communication passage Ra1.

[0097] In this embodiment, as Image 6 As shown, the communication passage Ra1 has a shape in which the width gradually decreases toward the Z2 direction when viewed from a cross section per...

no. 3 approach

[0101] Hereinafter, a third embodiment of the present invention will be described. Elements whose functions and functions are the same as those of the first embodiment in the modes illustrated below will be denoted by the reference numerals used in the description of the first embodiment, and detailed descriptions of them will be appropriately omitted.

[0102] Figure 7 It is a cross-sectional view of the liquid ejection head 50B according to the third embodiment. Figure 8 to show schematically Figure 7 A plan view of the flow path of the liquid ejection head 50B shown. The liquid ejection head 50B is the same as the liquid ejection head 50 of the above-described first embodiment except that the communication plate 52B is provided instead of the communication plate 52 . The communication plate 52B is the same as the communication plate 52 except that the shape of the communication passage Ra1 is different.

[0103] like Figure 7 As shown, the communication passage Ra1...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a liquid ejection head and a liquid ejection apparatus which improve ejection performance. The liquid ejection head includes: a pressure chamber substrate provided with a first pressure chamber and a second pressure chamber adjacent to the first pressure chamber in a first direction; a communication plate provided with a first communication passage communicating with the first pressure chamber and the second pressure chamber, and a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at a position different from the first communication passage; and a nozzle substrate provided with a first nozzle communicating with the first pressure chamber and the second pressure chamber through a first communication channel, and a second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber is provided on the pressure chamber substrate or the communication plate.

Description

technical field [0001] The present invention relates to a liquid ejection head and a liquid ejection device. Background technique [0002] In general, a liquid ejection head provided in a liquid ejection apparatus such as a piezoelectric inkjet printer includes a nozzle, a pressure chamber that communicates with the nozzle, and a piezoelectric element that changes the pressure of the pressure chamber. [0003] In order to cope with the increase in viscosity of ink or the ejection of liquid having a large particle size, for example, as described in Patent Document 1, there is known a device that ejects liquid from a plurality of pressure chambers from one nozzle. [0004] In the device described in Patent Document 1, two pressure chambers arranged in a direction intersecting with the arrangement direction of the nozzles communicate with one nozzle. On the other hand, a configuration in which two pressure chambers aligned in the arrangement direction of the nozzles are commun...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B41J2/14B41J2/045
CPCB41J2/14B41J2/045B41J2/14233B41J2002/14338B41J2/14274B41J2002/14306B41J2202/11
Inventor 玉井捷太郎片仓孝浩四十物孝宪大川裕太鹰合仁司
Owner SEIKO EPSON CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com