The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2023
Filed:
Apr. 05, 2022
Memjet Technology Limited, Dublin, IE;
Zhenya Yourlo, North Ryde, AU;
Mohammadreza Behi, North Ryde, AU;
Peter Crichton, North Ryde, AU;
Norman Micheal Berry, North Ryde, AU;
Memjet Technology Limited, Dublin, IE;
Abstract
An ink delivery system for supplying ink to an inkjet printhead at a predetermined backpressure. The ink delivery system includes: a pressure regulating valve connected to a printhead inlet port; an ink tank connected to a valve inlet of the pressure regulating valve; and a pump connected to a printhead outlet port. The backpressure of ink supplied to the printhead is controlled by: a height hof ink in the ink tank relative to a valve orifice, a height hof the valve orifice relative to the printhead, a position of a valve member relative to the orifice and a pump speed of the pump.