Title:
LIQUID JET HEAD AND LIQUID JET DEVICE
Document Type and Number:
Japanese Patent JP2022113266
Kind Code:
A
Abstract:
To provide a liquid jet head which detects a temperature of liquid flowing through a passage accurately, and to provide a liquid jet device.SOLUTION: A liquid jet head includes: a nozzle which jets liquid; a passage member formed with a passage, communicating with the nozzle, and having an inner wall surface 60 defining the passage and an outer wall surface 70 opposite to the passage with respect to the inner wall surface 60; and a temperature sensor 20 which is disposed at a part of the outer wall surface 70 and detects a temperature of the liquid in the passage. The passage includes a contraction area 55 whose width is narrow in a second direction Z orthogonal to a first direction Y along a direction in which the passage extends. The temperature sensor 20 is disposed at a portion, which forms the contraction area 55, of the outer wall surface 70.SELECTED DRAWING: Figure 6
Inventors:
MURAKAMI KENTARO
OKUI HIROAKI
OKUI HIROAKI
Application Number:
JP2021009363A
Publication Date:
August 04, 2022
Filing Date:
January 25, 2021
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/175; B41J2/01
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura