Invention Grant
- Patent Title: Print head sensing chamber circulation
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Application No.: US15520338Application Date: 2014-10-30
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Publication No.: US10099484B2Publication Date: 2018-10-16
- Inventor: Alexander Govyadinov , Adam L Ghozeil , Boon Bing Ng , Patrick Leonard , Raymond Connolly
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Houston
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Houston
- Agency: HP Inc. Patent Department
- International Application: PCT/US2014/063214 WO 20141030
- International Announcement: WO2016/068954 WO 20160506
- Main IPC: B41J2/175
- IPC: B41J2/175 ; B41J2/18
Abstract:
A print head has an ink slot and a sensing chamber having a first port connected to the fluid slot and a second port. The sensing chamber contains an ink level sensor. A recirculation passage extends from the fluid slot and is fluidly coupled to the second port. A fluid pump circulates fluid through the recirculation passage.
Public/Granted literature
- US20170313093A1 PRINT HEAD SENSING CHAMBER CIRCULATION Public/Granted day:2017-11-02
Information query
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