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公开(公告)号:US10569561B2
公开(公告)日:2020-02-25
申请号:US16074913
申请日:2016-10-27
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Christopher John Arnold
IPC: B41J2/175 , B41J2/18 , B41J29/02 , B41J29/38 , B29C64/209 , F16K31/524 , F16K11/18 , F16K31/04 , B33Y40/00
Abstract: In some examples, a valve assembly for a fluid ejection device includes a plurality of valves to control fluid supply from a plurality of fluid sources to the fluid ejection device, each respective valve of the plurality of valves actuatable between a first valve position to provide fluid communication through a first fluid path between a first fluid source of the plurality of fluid sources and the fluid ejection device, and a second valve position to provide fluid communication through a second fluid path between a second fluid source of the plurality of fluid sources and the fluid ejection device. A common actuator, when energized, controls movement of the plurality of valves. Each respective biasing mechanism of a plurality of biasing mechanisms is to maintain the respective valve at each of the first valve position and the second valve position without energizing the common actuator.
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公开(公告)号:US11597206B2
公开(公告)日:2023-03-07
申请号:US16500416
申请日:2018-03-12
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Christopher John Arnold , Paul Allan Osborne
Abstract: In some examples a printing system includes purging manifolds. The printing system includes a fluid ejection device to dispense a fluid and a first reservoir to house a fluid. The system further includes a purging manifold to fluidically couple to the fluid ejection device, and the purging manifold to fluidically couple to the first reservoir. The purging manifold includes a second reservoir. The purging manifold further includes a supply port; a fluid inlet port; and a purging outlet port. The purging outlet port is disposed above the supply port to convey fluid to the first reservoir. The printing system also includes a fluid interface connector to fluidically connect to the supply port and fluidically connect to the fluid ejection device.
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公开(公告)号:US11312151B2
公开(公告)日:2022-04-26
申请号:US17276930
申请日:2018-12-04
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Christopher John Arnold , Paul Allan Osborne , Devin Michael Knowles
Abstract: In one example in accordance with the present disclosure, a fluid extraction system is described. The fluid extraction system includes an interface to fluidically and electrically couple a removable extraction reservoir to a printing device. A supply line of the fluid extraction system transports fluid from the interface to a reservoir of the printing device. A return line of the fluid extraction system is coupled to the reservoir and supply line and transports fluid from the reservoir to the interface. The fluid extraction system also includes a switch to, responsive to removal of the removable extraction reservoir from the printing device, activate a fill pump to draw fluid through the supply line away from the interface.
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公开(公告)号:US11241875B2
公开(公告)日:2022-02-08
申请号:US16954879
申请日:2018-01-10
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Christopher John Arnold , Melissa S. Gedraitis , Russell S. Sauer
Abstract: In example implementations, a storage apparatus is provided. The storage apparatus includes a sealed reservoir partially filled with a print agent. A float is partially submerged in the print agent. A weight is coupled to a submerged portion of the float. A vent is coupled to the float and an opening in the sealed reservoir. A valve is coupled to an unsubmerged portion of the float.
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公开(公告)号:US20220032634A1
公开(公告)日:2022-02-03
申请号:US17276950
申请日:2018-12-04
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Paul Allan Osborne , Devin Michael Knowles , Christopher John Arnold
Abstract: In one example in accordance with the present disclosure, a fluid extraction system is described. The fluid extraction system includes an interface to fluidically and electrically couple a removable extraction reservoir to a printing device. A return line of the fluid extraction system is to connect the interface and a reservoir of the printing device. The fluid extraction system includes a switch to 1) responsive to attachment of the removable extraction reservoir to the printing device, open the return line to direct fluid form the reservoir to the interface and 2) responsive to removal of the removable extraction reservoir from the printing device, close the return line.
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公开(公告)号:US20210362505A1
公开(公告)日:2021-11-25
申请号:US16499301
申请日:2018-07-13
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Christopher John Arnold , Jefferson P. Ward
IPC: B41J2/175
Abstract: A printing device may include an input port to interface with a supply simulator; and a drain fluidic interface to interface with a removable extraction reservoir simultaneously with the coupling of the supply simulator with the input port; the supply simulator comprising a memory device to transfer data related to an amount of fluid transferred between the printing device and the removable extraction reservoir.
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公开(公告)号:US20200215835A1
公开(公告)日:2020-07-09
申请号:US16500413
申请日:2017-09-28
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Rosanna L. Bigford , David N. Olsen , Christopher John Arnold , Paul Allan Osborne
IPC: B41J25/34
Abstract: In some examples, a fluid ejection assembly is removably mountable in a system, and includes a fluid ejection device, and a removable frame on which the fluid ejection device is mounted. The removable frame includes a plurality of fluid interface members that share a common design to releasably engage with a plurality of fluid interface connectors together as the removable frame is brought into engagement with a support structure in the system and on which the plurality of fluid interface connectors are mounted. Engagement of a first fluid interface member with a first fluid interface connector establishes a gas path through the first fluid interface member and the first fluid interface connector, and engagement of a second fluid interface member with a second fluid interface connector establishes a liquid path through the second fluid interface member and the second fluid interface connector, the liquid path to deliver a liquid to the fluid ejection device.
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公开(公告)号:US12214598B2
公开(公告)日:2025-02-04
申请号:US17049147
申请日:2018-07-13
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Wesley R Schalk , Christopher John Arnold , Jesse Sutherland
IPC: B41J2/175 , B29C64/307 , B29C64/386 , B33Y40/00 , B33Y50/00
Abstract: In one example in accordance with the present disclosure, a fluid extraction system is described. The fluid extraction system includes an interface to fluidically and electrically couple a removable extraction reservoir to a printing device. The removable extraction reservoir is to receive an amount of fluid from a reservoir in the printing device. The system also includes a controller to, based on data received from memory of an interfaced removable extraction reservoir, initiate an extraction operation wherein fluid from the reservoir is passed to the removable extraction reservoir.
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公开(公告)号:US11590762B2
公开(公告)日:2023-02-28
申请号:US17278684
申请日:2018-12-04
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Wesley R. Schalk , Kenneth Williams , Christopher John Arnold
Abstract: 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.
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公开(公告)号:US20230008472A1
公开(公告)日:2023-01-12
申请号:US17782860
申请日:2019-12-09
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Paul Allan Osborne , Christopher John Arnold , Theodore W. Lamb
IPC: B41J2/175
Abstract: In one example in accordance with the present disclosure, a print fluid refill system is described. The print fluid refill system includes a reservoir to hold a volume of print fluid to be supplied to a printhead. The print fluid refill system also includes a pump to 1 ) draw print fluid from the reservoir via a reservoir line and 2) transport print fluid to a reserve tank via a reserve line. The print fluid refill system also includes the reserve tank to, during refill of the reservoir, supply print fluid to a printhead via a printhead line. The reserve tank supplies print fluid to the printhead when fluid is passed to the reservoir via a return line.