Patent · US Active

Multi-path valve for printhead

US8636346B2 · kind B2 · utility

9Cited by
60References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2011
Grant dateJan 28, 2014
Priority date
Expiry dateNov 27, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87338
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A multi-path valve for a media width inkjet printhead, the printhead being connected to an ink source via a closed ink flow loop, the valve having a body, a first port on the body for connection to the ink source, a second port on the body for connection to the printhead, a third port on the body for connection to a bypass ink path which bypasses the printhead on the closed loop, a fourth port on the body for connection to a gas vent on the closed loop, a chamber within the body via which the first, second, third and fourth ports are able to be interconnected and a selection device for selectively establishing interconnection between the first, second, third and fourth ports to allow ink flow therebetween.

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