Patent · US Active

Diaphragm valve for printhead

US8641177B2 · kind B2 · utility

6Cited by
60References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2011
Grant dateFeb 4, 2014
Priority date
Expiry dateNov 19, 2031

Classification

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

Abstract

A diaphragm valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a plurality of ports on the body for connection to the ink source and printhead, a chamber within the body via which the ports are able to be interconnected, a diaphragm pad having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports thereby allowing ink flow therebetween.

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