Invention Grant
- Patent Title: Print head sensing chamber circulation
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Application No.: US16125701Application Date: 2018-09-08
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Publication No.: US10449776B2Publication Date: 2019-10-22
- Inventor: Alexander Govyadinov , Adam L. Ghozeil , Boon Bing Ng , Patrick Leonard , Raymond Connolly
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Spring
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Spring
- Agency: HP Inc. Patent Department
- Main IPC: B41J2/175
- IPC: B41J2/175 ; B41J2/045 ; B41J2/14 ; B41J2/18
Abstract:
A print head has a fluid 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 circulation passage extends from the fluid slot and is fluidly coupled to the second port. A fluid pump circulates fluid through the circulation passage.
Public/Granted literature
- US20190001695A1 PRINT HEAD SENSING CHAMBER CIRCULATION Public/Granted day:2019-01-03
Information query
IPC分类:
