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1. WO2020117206 - RECIRCULATIONS USING TWO PUMPS

Publication Number WO/2020/117206
Publication Date 11.06.2020
International Application No. PCT/US2018/063735
International Filing Date 04.12.2018
IPC
B41J 2/175 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
17characterised by ink handling
175Ink supply systems
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • SCHALK, Wesley R.
  • WILLIAMS, Kenneth
  • ARNOLD, Christopher John
Agents
  • HOOPES, Benjamin
  • NICHOLS, Steven L.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) RECIRCULATIONS USING TWO PUMPS
(FR) RECIRCULATIONS UTILISANT DEUX POMPES
Abstract
(EN)
A method of recirculating printing fluid that includes with a first pump upstream of an internal reservoir, pumping printing fluid into the reservoir and with a second pump downstream of the internal reservoir and upstream of a pen assembly, pumping printing fluid from the reservoir.
(FR)
La présente invention concerne un procédé de recirculation de fluide d'impression qui comprend, avec une première pompe en amont d'un réservoir interne, le pompage d'un fluide d'impression dans le réservoir interne et avec une seconde pompe en aval du réservoir interne et en amont d'un ensemble stylo, le pompage de fluide d'impression à partir du réservoir.
Latest bibliographic data on file with the International Bureau