公开(公告)号：US20210331152A1

公开(公告)日：2021-10-28

申请号：US16608289

申请日：2018-07-17

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

Inventor： Pavel KORNILOVICH ,  John LAHMANN ,  Alexander GOVYADINOV ,  Diane R HAMMERSTAD

IPC: B01L3/02 ,  B41J2/14 ,  B41J2/175

Abstract: An example device includes a droplet ejector including a nozzle to eject droplets of a fluid and a target medium to receive the droplets of the fluid. The target medium is separated from the droplet ejector by a gap to be traversed by the droplets. The example device further includes a frame affixing the target medium to the droplet ejector. The target medium is immovably held with respect to the droplet ejector.

公开(公告)号：US20190299176A1

公开(公告)日：2019-10-03

申请号：US16303095

申请日：2017-06-30

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

Inventor： David MARKEL ,  Pavel KORNILOVICH ,  Erik D TORNIAINEN ,  Alexander GOVYADINOV ,  Viktor SHKOLNIKOV ,  Diane R HAMMERSTAD ,  Ning GE

IPC: B01F13/00 ,  B01F15/04 ,  B41J2/14 ,  B01L3/00

Abstract: Examples include microfluidic devices. Example microfluidic devices comprise a first microfluidic channel, a second microfluidic channel, and microfluidic output channel fluidly coupled to the first microfluidic channel and the second microfluidic channel via a fluid junction. The example device comprises a first fluid actuator disposed in the first microfluidic channel to actuate to thereby pump a first fluid into the microfluidic output channel, and the example device comprises a second fluid actuator disposed in the second microfluidic channel to actuate to pump a second fluid into the microfluidic output channel. The first fluid actuator and the second fluid actuator are to actuate to thereby pump a fluid mixture of the first fluid and the second fluid into the microfluidic output channel.

公开(公告)号：US20180371671A1

公开(公告)日：2018-12-27

申请号：US16064194

申请日：2016-04-08

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Michael W CUMBIE ,  Diane R HAMMERSTAD ,  David OLSEN ,  Eric M LAPLANTE ,  Holly F JUNGE

IPC: D06F39/00 ,  D06F39/02 ,  D06F33/02 ,  G05B19/042

Abstract: Example implementations relate to a water sense chamber. For example, an appliance may include a water sense chamber having a sensor, the water sense chamber to house a standard water sample. The appliance may also include a processor coupled to the water sense chamber, where the processor is to obtain a liquid sample from fluid used in an operation of the appliance, measure a first property of the liquid sample using the sensor, generate a comparison of the first property and a second property of the standard water sample, and perform an action based on the comparison.