Patent · US Active

Fluid recirculation channels

US11345162B2 · kind B2 · utility

2Cited by

13References

13Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Alexander Govyadinov · Corvallis, US
Ron Burns · San Diego, US
Erik D. Torniainen · Corvallis, US
Galen P. Cook · Corvallis, US
David P. Markel · Albany, US
Garrard Hume · Corvallis, US
Chris Bakker · Corvallis, US

Key dates

Filing date	Jul 14, 2015
Grant date	May 31, 2022
Priority date	—
Expiry date	Dec 24, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2202/12
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A fluid recirculation channel for dispensing a plurality of fluid drop weights includes a number of sub-channels. The sub-channels include at least one pump channel, and a plurality of drop generator channels fluidically coupled to the at least one pump channel. The fluid recirculation channel further includes a number of pump generators incorporated into the at least one pump channel, a number of drop generators incorporated into drop generator channels, and a plurality of nozzles defined within the drop generator channels, the nozzles being at least as numerous as the number of drop generators.

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