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公开(公告)号:US11253854B2
公开(公告)日:2022-02-22
申请号:US16642978
申请日:2017-10-20
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Pavel Kornilovich , Alexander N. Govyadinov
Abstract: A microfluidic device may include a first fluid chamber, a second fluid chamber, a first microfluidic passage extending between the first fluid chamber and the second fluid chamber, a second microfluidic passage extending from the second fluid chamber, a first fluid actuator adjacent the first microfluidic passage and proximate the first fluid chamber to inertially pump fluid away from the first fluid chamber and a second fluid actuator adjacent the first microfluidic passage and proximate the second fluid chamber to menially pump fluid towards the first fluid chamber.
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公开(公告)号:US11110450B2
公开(公告)日:2021-09-07
申请号:US15749077
申请日:2016-01-29
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Bradley D. Chung , Alexander N. Govyadinov
Abstract: A sample-reagent mixture is thermal cycled through a plurality of cycles. Each thermal cycle includes actuating a heater to heat the sample-reagent mixtures; and dispensing a fluid onto the sample-reagent mixture to cool the sample reagent mixture.
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公开(公告)号:US20200173581A1
公开(公告)日:2020-06-04
申请号:US16621470
申请日:2017-07-14
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Craig Olbrich , Alexander N. Govyadinov
IPC: F16K99/00
Abstract: A microfluidic valve may include a firing chamber having an orifice, a first portion of a liquid conduit connected to the firing chamber at a first port, a second portion of the liquid conduit connected to the firing chamber at a second port and a thermal resistor. The thermal resistor is to form a bubble within the firing chamber to expel liquid from the firing chamber through the orifice such that a first meniscus forms across the first port and a second meniscus forms across the second port to interrupt liquid flow between the first portion and the second portion of the liquid conduit.
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公开(公告)号:US10189047B2
公开(公告)日:2019-01-29
申请号:US15870843
申请日:2018-01-12
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Alexander N. Govyadinov , Paul A. Richards
Abstract: The examples provide a fluid ejection apparatus that includes a fluid slot; a passage, a drop generator and a fluid circulation pump. The passage has an inlet connected to the fluid slot and an outlet spaced from the inlet and connected to the fluid slot. The passage as a first portion extending in a first direction from the inlet and a second portion extending from the first portion to the outlet in a second direction, opposite to the first direction. A filter is within the fluid slot across the inlet.
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公开(公告)号:US20180229230A1
公开(公告)日:2018-08-16
申请号:US15749077
申请日:2016-01-29
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Bradley D. Chung , Alexander N. Govyadinov
CPC classification number: B01L3/0268 , B01L3/5088 , B01L7/52 , B01L2300/0819 , B01L2300/1827 , B01L2300/1838 , B01L2300/185 , B01L2300/1894 , B25J9/026 , C12Q1/686
Abstract: A sample-reagent mixture is thermal cycled through a plurality of cycles. Each thermal cycle includes actuating a heater to heat the sample-reagent mixtures; and dispensing a fluid onto the sample-reagent mixture to cool the sample reagent mixture.
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公开(公告)号:US09901952B2
公开(公告)日:2018-02-27
申请号:US14928357
申请日:2015-10-30
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Alexander N. Govyadinov , Paul A. Richards
CPC classification number: B05C5/02 , B41J2/1404 , B41J2/14201 , B41J2/175 , B41J2/17563 , B41J2/17596 , B41J2002/14403 , B41J2002/14467 , B41J2202/12
Abstract: The examples provide a fluid ejection apparatus that includes a fluid slot; a passage, a drop generator and a fluid circulation pump. The passage has an inlet connected to the fluid slot and an outlet spaced from the inlet and connected to the fluid slot. The passage as a first portion extending in a first direction from the inlet and a second portion extending from the first portion to the outlet in a second direction, opposite to the first direction. A filter is within the fluid slot across the inlet.
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公开(公告)号:US20160052011A1
公开(公告)日:2016-02-25
申请号:US14928357
申请日:2015-10-30
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Alexander N. Govyadinov , Paul A. Richards
CPC classification number: B05C5/02 , B41J2/1404 , B41J2/14201 , B41J2/175 , B41J2/17563 , B41J2/17596 , B41J2002/14403 , B41J2002/14467 , B41J2202/12
Abstract: The examples provide a fluid ejection apparatus that includes a fluid slot; a passage, a drop generator and a fluid circulation pump. The passage has an inlet connected to the fluid slot and an outlet spaced from the inlet and connected to the fluid slot. The passage as a first portion extending in a first direction from the inlet and a second portion extending from the first portion to the outlet in a second direction, opposite to the first direction. A filter is within the fluid slot across the inlet.
Abstract translation: 这些实施例提供了包括流体槽的流体喷射装置; 通道,液滴发生器和流体循环泵。 通道具有连接到流体槽的入口和与入口间隔开并连接到流体槽的出口。 该通道作为从入口沿第一方向延伸的第一部分和第二部分沿与第一方向相反的第二方向从第一部分延伸到出口。 过滤器位于入口的流体槽内。
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