Patent · US Active

Ink delivery system for gross and fine pressure control

US11433683B2 · kind B2 · utility

1Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2020
Grant dateSep 6, 2022
Priority date
Expiry dateOct 14, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/18
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink delivery system for an inkjet printer includes: (a) an ink delivery module for supplying and receiving ink in a circulating fluidic loop having positive and negative pressure ink lines; (b) print modules interconnected between the positive pressure ink line and the negative pressure ink line. The ink delivery module has regulator pumps for gross control of ink pressure in the print modules; and each print module has a respective pressure control system for dynamic fine control of ink pressure in each individual print module.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.