CA2344570A1 - Feedback-free fluidic oscillator and method - Google Patents

Feedback-free fluidic oscillator and method Download PDF

Info

Publication number
CA2344570A1
CA2344570A1 CA 2344570 CA2344570A CA2344570A1 CA 2344570 A1 CA2344570 A1 CA 2344570A1 CA 2344570 CA2344570 CA 2344570 CA 2344570 A CA2344570 A CA 2344570A CA 2344570 A1 CA2344570 A1 CA 2344570A1
Authority
CA
Canada
Prior art keywords
pair
chamber
outlet
fluid
oscillation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2344570
Other languages
English (en)
French (fr)
Inventor
Surya Raghu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bowles Fluidics Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26801638&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2344570(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2344570A1 publication Critical patent/CA2344570A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/22—Oscillators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0396—Involving pressure control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • Y10T137/2093—Plural vortex generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • Y10T137/2098—Vortex generator as control for system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • Y10T137/2104—Vortex generator in interaction chamber of device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • Y10T137/2109—By tangential input to axial output [e.g., vortex amplifier]
    • Y10T137/2115—With means to vary input or output of device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/218—Means to regulate or vary operation of device
    • Y10T137/2185—To vary frequency of pulses or oscillations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2224—Structure of body of device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2229—Device including passages having V over T configuration
    • Y10T137/2234—And feedback passage[s] or path[s]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Special Spraying Apparatus (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
CA 2344570 1998-10-16 1999-10-15 Feedback-free fluidic oscillator and method Abandoned CA2344570A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10451198P 1998-10-16 1998-10-16
US60/104,511 1998-10-16
US09/417,899 1999-10-14
US09/417,899 US6253782B1 (en) 1998-10-16 1999-10-14 Feedback-free fluidic oscillator and method
PCT/US1999/021463 WO2000023197A1 (en) 1998-10-16 1999-10-15 Feedback-free fluidic oscillator and method

Publications (1)

Publication Number Publication Date
CA2344570A1 true CA2344570A1 (en) 2000-04-27

Family

ID=26801638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2344570 Abandoned CA2344570A1 (en) 1998-10-16 1999-10-15 Feedback-free fluidic oscillator and method

Country Status (10)

Country Link
US (1) US6253782B1 (enExample)
EP (1) EP1121201B1 (enExample)
JP (1) JP3881518B2 (enExample)
KR (1) KR20010080195A (enExample)
AT (1) ATE268646T1 (enExample)
AU (1) AU1093000A (enExample)
BR (1) BR9914598A (enExample)
CA (1) CA2344570A1 (enExample)
DE (1) DE69917918T2 (enExample)
WO (1) WO2000023197A1 (enExample)

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CN113446721A (zh) * 2020-03-25 2021-09-28 约克广州空调冷冻设备有限公司 散流器

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US7014131B2 (en) 2002-06-20 2006-03-21 Bowles Fluidics Corporation Multiple spray devices for automotive and other applications
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US20070295840A1 (en) * 2003-09-29 2007-12-27 Bowles Fluidics Corporation Fluidic oscillators and enclosures with split throats
US7677480B2 (en) * 2003-09-29 2010-03-16 Bowles Fluidics Corporation Enclosures for fluidic oscillators
US7651036B2 (en) * 2003-10-28 2010-01-26 Bowles Fluidics Corporation Three jet island fluidic oscillator
US7354008B2 (en) * 2004-09-24 2008-04-08 Bowles Fluidics Corporation Fluidic nozzle for trigger spray applications
EP1827703B1 (en) 2004-11-01 2012-08-01 Bowles Fluidics Corporation Improved cold-performance fluidic oscillator
US7267290B2 (en) * 2004-11-01 2007-09-11 Bowles Fluidics Corporation Cold-performance fluidic oscillator
US8662421B2 (en) 2005-04-07 2014-03-04 Bowles Fluidics Corporation Adjustable fluidic sprayer
US7478764B2 (en) * 2005-09-20 2009-01-20 Bowles Fluidics Corporation Fluidic oscillator for thick/three-dimensional spray applications
US8205812B2 (en) 2005-10-06 2012-06-26 Bowles Fluidics Corporation Enclosures for multiple fluidic oscillators
US8172162B2 (en) * 2005-10-06 2012-05-08 Bowles Fluidics Corp. High efficiency, multiple throat fluidic oscillator
US8387171B2 (en) * 2006-04-14 2013-03-05 Bowles Fluidics Corporation Microflush urinal with oscillating nozzle
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US8382043B1 (en) 2009-08-17 2013-02-26 Surya Raghu Method and apparatus for aerodynamic flow control using compact high-frequency fluidic actuator arrays
US8457907B2 (en) * 2010-10-08 2013-06-04 Shindonga Electronics Co., Ltd Compensation device for fluidic oscillation flow meter and compensation method using the same
US10432827B2 (en) 2011-03-10 2019-10-01 Dlhbowles, Inc. Integrated automotive system, nozzle assembly and remote control method for cleaning an image sensors exterior or objective lens surface
US10350647B2 (en) 2011-03-10 2019-07-16 Dlhbowles, Inc. Integrated automotive system, nozzle assembly and remote control method for cleaning an image sensor's exterior or objective lens surface
EP2817185B1 (en) 2012-02-23 2020-04-15 dlhBowles Inc. Adaptive, multi-mode washer system and control method
US10092913B2 (en) 2012-12-12 2018-10-09 Dlhbowles, Inc. Fluidic nozzle and improved moving vortex generating fluidic oscillator
WO2014093590A1 (en) * 2012-12-12 2014-06-19 Bowles Fluidics Corporation Fluidic nozzle and oscillator circuit
CZ2013871A3 (cs) * 2013-11-11 2015-08-19 Ăšstav geoniky AV ÄŚR, v. v. i. Nástroj a hydrodynamická tryska pro generování vysokotlakého pulzujícího paprsku kapaliny bez kavitace a nasycených par
US10328906B2 (en) 2014-04-11 2019-06-25 Dlhbowles, Inc. Integrated automotive system, compact, low-profile nozzle assembly and compact fluidic circuit for cleaning a wide-angle image sensor's exterior surface
JP6645984B2 (ja) 2014-04-16 2020-02-14 ディエルエイチ・ボウルズ・インコーポレイテッドｄｌｈＢＯＷＬＥＳ Ｉｎｃ． 画像センサの支持部及びレンズの統合的洗浄アセンブリ
WO2016010971A1 (en) 2014-07-15 2016-01-21 Bowles Fluidics Corporation Improved three-jet island fluidic oscillator circuit, method and nozzle assembly
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US10507906B2 (en) * 2015-04-28 2019-12-17 The Boeing Company Aerodynamic surface assembly defining a fluidic actuation orifice
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DE112017002334T5 (de) 2016-05-03 2019-02-14 dlhBowles Inc. Fluidische Abtastdüse und Sprühdüse, die dieselbe anwendet
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US11124290B2 (en) * 2017-06-21 2021-09-21 Advanced Fluidics LLC Integrated aerodynamic flow control system with air source
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113446721A (zh) * 2020-03-25 2021-09-28 约克广州空调冷冻设备有限公司 散流器

Also Published As

Publication number Publication date
WO2000023197A1 (en) 2000-04-27
US6253782B1 (en) 2001-07-03
ATE268646T1 (de) 2004-06-15
JP2002527235A (ja) 2002-08-27
EP1121201B1 (en) 2004-06-09
EP1121201A4 (en) 2002-10-16
AU1093000A (en) 2000-05-08
DE69917918D1 (de) 2004-07-15
KR20010080195A (ko) 2001-08-22
EP1121201A1 (en) 2001-08-08
BR9914598A (pt) 2001-06-26
DE69917918T2 (de) 2005-06-23
JP3881518B2 (ja) 2007-02-14

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued