# US 10,245,586 B2 · Three-dimensional fluidic check device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,586 B2 - Document ID: US10245586B2 - Status: Granted - Kind: B2 - Application number: 15/668,503 - Filed: 2017-08-03 - Published: 2019-02-07 - Granted: 2019-04-02 - Earliest claimed: 2017-08-03 - Assignees: The Boeing Company - Applicants: The Boeing Company - Inventors: Eric B. Gilbert; Timothy LeRoy Skilton - Web page: https://patentgrep.com/patent/US10245586B2 ## CPC - B01L 3/502715: {characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces} - B01F 35/712: {for feeding fluids} - B01L 3/502707: {characterised by the manufacture of the container or its components} - B01L 3/502738: {characterised by integrated valves (throttle valves in microfluidic sample containers B01L3/502746)} - B01L 7/52: {with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples} - F16K 13/00: Other constructional types of cut-off apparatus (means for plugging pipes or hoses F16L55/10); Arrangements for cutting-off - F16K 15/00: Check valves (valves specially adapted for inflatable balls A63B41/00) - F16K 51/00: Other details not peculiar to particular types of valves or cut-off apparatus - G01N 27/27: Association of two or more measuring systems or cells, each measuring a different parameter, where the measurement results may be either used independently, the systems or cells being physically associated, or combined to produce a value for a further parameter - B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)} - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract A monolithic three-dimensional fluidic check device is presented. The monolithic three-dimensional fluidic check device comprises a housing surrounding a fluidic flow path and having a first opening at a first end of the housing and a second opening at a second end of the housing, and an elongated center body positioned within and extending along the fluidic flow path. The elongated center body is stationary relative to a flow of fluid. ## Claims ### Claim 1 A monolithic three-dimensional fluidic check device comprising: a housing surrounding a fluidic flow path and having a first opening at a first end of the housing and a second opening at a second end of the housing; and an elongated center body positioned within and extending along the fluidic flow path, wherein the elongated center body is stationary relative to a flow of fluid, wherein the housing comprises a first plurality of fins extending from the housing into the fluidic flow path, wherein the first plurality of fins is integral to the housing, wherein the elongated center body comprises a second plurality of fins extending from the elongated center body into the fluidic flow path, wherein the second plurality of fins is integral to the elongated center body, and wherein each of the first plurality of fins and each of the second plurality of fins has a respective concave curvature facing the second end. ### Claim 2 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein the first plurality of fins and the second plurality of fins are configured to create a flow direction from the first end to the second end and a checked direction from the second end to the first end. ### Claim 3 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein each of the first plurality of fins and each of the second plurality of fins has a respective substantially straight surface facing the first end. ### Claim 4 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein a first distance from a point of one of the first plurality of fins to the elongated center body measured perpendicular to a centerline extending through the fluidic flow path is substantially the same as a second distance from a point of one of the second plurality of fins to the housing measured perpendicular to the centerline extending through the fluidic flow path. ### Claim 5 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein the first plurality of fins and the second plurality of fins are configured to produce a Coanda effect for fluid moving from the second end to the first end within the fluidic flow path. ### Claim 6 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein a difference between a first measurement from a point of one of the first plurality of fins to a centerline of the elongated center body and a second measurement from a point of one of the second plurality of fins to the centerline of the elongated center body is negative. ### Claim 7 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein a difference between a first measurement from a point of one of the first plurality of fins to a centerline of the elongated center body and a second measurement from a point of one of the second plurality of fins to the centerline of the elongated center body is positive. ### Claim 8 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein the fluidic flow path is formed and bounded by the housing including the first plurality of fins and the elongated center body including the second plurality of fins. ### Claim 9 (depends on 1) The monolithic three-dimensional fluidic check device of claim 1, wherein the housing and the elongated center body are formed of a material configured to allow changing a shape of the housing. ### Claim 10 A three-dimensional fluidic check device comprising: a housing containing a fluidic flow path formed by the housing and an elongated center body, wherein the housing comprises a first plurality of fins extending from the housing into the fluidic flow path; and the elongated center body surrounded by the fluidic flow path, wherein the elongated center body comprises a second plurality of fins extending from the elongated center body into the fluidic flow path, wherein the first plurality of fins and the second plurality of fins are configured to allow flow of a fluid in a flow direction through the housing and to restrict flow of the fluid in a checked direction, wherein each of the first plurality of fins and each of the second plurality of fins has a respective restrictive surface restricting flow of fluid in the checked direction, and wherein each respective restrictive surface is a concave curvature. ### Claim 11 (depends on 10) The three-dimensional fluidic check device of claim 10, wherein the first plurality of fins overlaps the second plurality of fins. ### Claim 12 (depends on 10) The three-dimensional fluidic check device of claim 10, wherein each of the first plurality of fins and each of the second plurality of fins has a respective allowance surface allowing flow of fluid in the flow direction. ### Claim 13 A method comprising: flowing a fluid through a fluidic flow path of a three-dimensional fluidic check device from a first opening at a first end of a housing of the three-dimensional fluidic check device to a second opening at a second end of the housing; and checking the fluid from moving from the second opening to the first opening by directing momentum of the fluid using only the housing and an elongated center body positioned within and extending along the fluidic flow path to restrict a flow of the fluid from the second opening to the first opening, wherein checking the fluid from moving from the second opening to the first opening by directing momentum of the fluid comprises directing momentum of the fluid to restrict a flow of the fluid using a first plurality of fins extending from the housing into the fluidic flow path and a second plurality of fins extending from the elongated center body into the fluidic flow path, wherein the first plurality of fins is integral to the housing and wherein the second plurality of fins is integral to the elongated center body, and wherein directing momentum of the fluid to restrict a flow of the fluid using a first plurality of fins extending from the housing into the fluidic flow path and a second plurality of fins extending from the elongated center body into the fluidic flow path comprises directing momentum of the fluid using a respective concave curvature of each of the first plurality of fins and each of the second plurality of fins facing the second opening. ### Claim 14 (depends on 13) The method of claim 13, further comprising: changing a shape of the housing by bending the three-dimensional fluidic check device.