Patent · US Active

Drop formation method and device using a cavity with a degraded quality factor

US11766858B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 2019
Grant dateSep 26, 2023
Priority date
Expiry dateJun 5, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/022
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A drop generator for a printing head of a continuous inkjet printer includes at least one ink feed conduit for feeding ink into a stimulation chamber, which has a quality factor Q lower than 2 and at least one resonant frequency fr; an actuator for stimulating a wall of said stimulation chamber; and at least one nozzle for ejecting a jet.

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