公开(公告)号：WO2019093994A1

公开(公告)日：2019-05-16

申请号：PCT/US2017/060355

申请日：2017-11-07

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： STUDER, Anthony D. ,  WICKWIRE, Robert S.

IPC: G05D9/12 ,  B01D17/12 ,  B41J2/185 ,  B41J2/19

Abstract: A froth coalescing unit for a fluid delivery system for a fluid ejection system, the froth coalescing unit including a coalescing chamber including a sump, an inlet to receive froth into the coalescing chamber, the froth comprising a mixture of fluid and gas, the coalescing chamber to coalesce the fluid from the froth with the coalesced fluid collecting at least in the sump, an outlet to communicate coalesced fluid from the sump, and a fluid level sensor to provide a level over a range of levels of coalesced fluid in the coalescing chamber including in the sump.

公开(公告)号：WO2018190840A1

公开(公告)日：2018-10-18

申请号：PCT/US2017/027360

申请日：2017-04-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： STUDER, Anthony D. ,  WICKWIRE, Robert S.

IPC: B41J2/19 ,  B01D19/02

Abstract: A froth coalescing device includes a froth receiving chamber with a vent, and a vertical membrane arranged between the vent and a gas out port of the froth coalescing device. The vent is arranged to vent gas in a direction that is different from a direction of travel of froth in the froth receiving chamber.

公开(公告)号：WO2021101559A1

公开(公告)日：2021-05-27

申请号：PCT/US2019/062738

申请日：2019-11-22

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： HARRIS, Carrie E. ,  WICKWIRE, Robert S.

IPC: B41J2/18

Abstract: A recharge system can receive an indication of a saturation level of a porous media within a printhead and determine, based on the indication of the saturation level of the porous media, that the saturation level satisfies a threshold to initiate a recharge cycle. The threshold may be higher than a saturation level at which the porous media is in a hysteresis state. In response to the determination, the recharge system initiates a recharge cycle.

公开(公告)号：WO2006091600A3

公开(公告)日：2006-08-31

申请号：PCT/US2006/006121

申请日：2006-02-22

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  CHILDS, Ashley E. ,  WICKWIRE, Robert S.

Inventor： CHILDS, Ashley E. ,  WICKWIRE, Robert S.

IPC: B41J2/175

Abstract: A fluid supply system (32) for a printing device is disclosed. The fluid supply system (32) includes an ink reservoir adapting member (36) operatively disposed within an ink cartridge (26). The adapting member (36) has an open end (38) and an end (40) opposed to the open end (38). The open end (38) is adapted to have a filter (30) disposed thereon. The opposed end (40) is substantially angularly offset from the open end (38) in a manner sufficient to substantially promote fluid and air migration toward a fluid conduit (46). A depth (d) between the open end (38) and the opposed end (40) substantially varies along a length between two opposed sides (42, 44) of the adapting member (36). A predetermined area of the opposed end (40) defines the fluid conduit (46), and the predetermined area is located at a region where the depth (d) is substantially greatest. Further, the conduit (46) is adapted to release fluid and air from the adapting member (36).

公开(公告)号：WO2019017884A1

公开(公告)日：2019-01-24

申请号：PCT/US2017/042416

申请日：2017-07-17

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： STUDER, Anthony D. ,  WICKWIRE, Robert S.

IPC: B41J2/175 ,  B67C3/04

Abstract: In one example in accordance with the present disclosure, a fluid interface device (106) is described. The device includes a collar (110) to receive a fluid container (104). The collar has an aperture in one end surface. A needle (108) of the fluid interface device passes through the aperture and allows fluid to pass from the fluid container (104) into a reservoir (102). The needle is slideable within the aperture from a dosed position to an open position upon reception of the fluid container. A seal (212) is radially disposed around the needle (108) and seals against the end surface of the collar (110) when the needle is in the dosed position.

公开(公告)号：WO2009145758A1

公开(公告)日：2009-12-03

申请号：PCT/US2008/064811

申请日：2008-05-25

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  RIPER, Richard W. ,  BROWN, Dan ,  WICKWIRE, Robert S. ,  YLINIEMI, Carey E.

Inventor： RIPER, Richard W. ,  BROWN, Dan ,  WICKWIRE, Robert S. ,  YLINIEMI, Carey E.

IPC: B41J2/175 ,  B41J2/325

CPC classification number: B41J2/1707 ,  B41J2/19

Abstract: A fluid-jet precision-dispensing mechanism is primed to remove any gaseous bubbles from a supply of fluid contained by the fluid-jet precision-dispensing mechanism. One or more nozzles of the fluid-jet precision-dispensing mechanism are capped with a cap such that the cap seals around the nozzles. A vacuum pressure is created within the cap to suction the gaseous bubbles and a portion of the fluid from within the fluid-jet precision-dispensing mechanism through the nozzles. The profile of the vacuum pressure created within the cap over time is substantially square wave shaped.

Abstract translation: 流体喷射精密分配机构被引燃以从流体喷射精密分配机构所容纳的流体源中除去任何气泡。 流体喷射式精密分配机构的一个或多个喷嘴用盖子盖住，使得盖子围绕喷嘴密封。 在盖内产生真空压力，以通过喷嘴从流体喷射精密分配机构内吸入气泡和一部分流体。 在盖中产生的真空压力随时间的曲线基本上是方波形。

公开(公告)号：WO2023014359A1

公开(公告)日：2023-02-09

申请号：PCT/US2021/044634

申请日：2021-08-05

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： WICKWIRE, Robert S. ,  BERTLES, Sean ,  GONZALES, Curt

IPC: B41J2/175 ,  B41L27/04

Abstract: In example implementations, an apparatus is provided. The apparatus includes a body, a capillary feed on the back side towards a first end of the body, a pair of columnar volumes inside of the body, and an air vent on a second end of the body that is opposite the first end. The capillary feed is inserted between a wall of a printing fluid pen and a side of a porous media of printing fluid in the printing fluid pen. The capillary feed is to receive the printing fluid from a porous media of the printing fluid via fluidic connection. The pair of columnar volumes is to hold conductive elements that are in contact with the printing fluid and connected to a sensor to detect a level of the printing fluid. The air vent is to provide a pressure reference and provide a source of make-up air.

公开(公告)号：WO2021029877A1

公开(公告)日：2021-02-18

申请号：PCT/US2019/046280

申请日：2019-08-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： WICKWIRE, Robert S.

IPC: B41J2/175 ,  F04B43/14

Abstract: Present examples provide a fluid ejection apparatus which may comprise a pump having a pump body and a plurality of diaphragms disposed in the pump body. A plurality of fluid chambers are each associated with the plurality of diaphragms. A timing mechanism may open a leading fluid chamber of the plurality of fluid chambers and close a trailing fluid chamber of the plurality of chambers simultaneously with movement of corresponding pairs of the diaphragms. A third fluid chamber may be in a dwell mode. The movement of the timing mechanism causes discreet packet transfer of fluid between the leading and trailing fluid chambers or between a fluid chamber and a coupling.

公开(公告)号：WO2018190841A1

公开(公告)日：2018-10-18

申请号：PCT/US2017/027367

申请日：2017-04-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： STUDER, Anthony D. ,  WICKWIRE, Robert S.

IPC: B01D19/02 ,  B41J2/19

Abstract: A froth coalescing device comprises a froth receiving chamber with a vent and an umbrella valve arranged between the vent and a gas out port. The vent may be arranged to vent gas in a direction different from a direction of travel of froth in the receiving chamber.

公开(公告)号：WO2017180094A1

公开(公告)日：2017-10-19

申请号：PCT/US2016/026990

申请日：2016-04-11

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  STUDER, Anthony D. ,  WICKWIRE, Robert S. ,  BENSON, David J.

Inventor： STUDER, Anthony D. ,  WICKWIRE, Robert S. ,  BENSON, David J.

IPC: B41J2/19 ,  B41J2/165 ,  B41J2/175

Abstract: In one example in accordance with the present disclosure a device for coalescing a frothy fluid is described. The device includes a housing and alignment devices. The alignment devices receive a number of coalescing filters, space the number of coalescing filters to form a gap between adjacent coalescing filters, and seal the number of coalescing filters against the housing to enclose the gap. The device also includes an inlet port to drive incoming frothy fluid through the gap, an outlet port to drain coalesced fluid, and an air vent to allow air to escape the gap.

Abstract translation: 在根据本公开的一个示例中，描述了用于聚结泡沫流体的装置。 该设备包括一个外壳和对齐装置。 对准装置接收多个聚结过滤器，间隔聚结过滤器的数量以在相邻聚结过滤器之间形成间隙，并且将聚结过滤器的数量相对于壳体密封以封闭间隙。 该装置还包括一个入口端口，用于驱动进入的泡沫流体通过间隙，一个出口端口用于排出聚结的流体，以及一个通气孔，以允许空气逸出间隙。