Inkjet printhead with pressure pulse priming
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 11, 2013
Grant Date -
Jun 3, 2010
app pub date -
Feb 2, 2010
filing date -
Jul 31, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An inkjet printer that has a printhead with an array of ink ejection nozzles, an upstream ink line for connecting the printhead to an ink supply, a downstream ink line for connecting the printhead to a sump, a pump in the downstream ink line for drawing fluid out of the printhead, a gas inlet in communication with the printhead, the gas inlet being configured to open to atmosphere during a printhead de-priming operation, and close to atmosphere during a printhead priming operation and, an accumulator positioned in the upstream ink line for generating a positive pressure pulse for priming the printhead.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully