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GB1330643A - Fluidic device - Google Patents

Fluidic device

Info

Publication number
GB1330643A
GB1330643A GB1330643DA GB1330643A GB 1330643 A GB1330643 A GB 1330643A GB 1330643D A GB1330643D A GB 1330643DA GB 1330643 A GB1330643 A GB 1330643A
Authority
GB
United Kingdom
Prior art keywords
port
chamber
vortices
vortex
control
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.)
Expired
Application number
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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
Application filed by NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Publication of GB1330643A publication Critical patent/GB1330643A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15C1/16—Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid
    • 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
    • F15C1/08—Boundary-layer devices, e.g. wall-attachment amplifiers coanda effect

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

1330643 Fluid regulation NATIONAL RESEARCH DEVELOPMENT CORP 30 Sept 1970 [30 June 1969] 33030/69 Heading G3H A fluid vortex amplifier, wherein the pressure of the control signal need not be as high as the pressure of the input signal, comprises an unevenly shaped vortex chamber 11 into which leads an input signal 13 derived from a passage 12. The signal 13 upon infringing against a chamber wall portion 15, divides unevenly into two separate flows 16, 17 which subsequently attain spiraling paths so creating two uneven vortices 18 and 19. The strength of the output signal present in output port 22 formed in a first flat face of the chamber 11, and hence also the relative strength of the two vortices 18 and 19, is dependent upon the nature of a control signal present in a control port 23 formed in the same flat face of the chamber 11, the port 23 being disposed opposite to a vent port 21 for the vortex flow 19, a further vent port 20 for the vortex flow 18 being offset relatively to the outlet port 22 and being provided in the second flat chamber wall. Figs. 1c, 1d, 1e, Fig. 1<SP>1</SP> and Figs. 2 to 9 (not shown), depict various modifications of the basic concept above outlined wherein control of flow from an inlet to an outlet is effected by the creation of relatively variable vortices.
GB1330643D 1970-09-30 1970-09-30 Fluidic device Expired GB1330643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3303069 1970-09-30

Publications (1)

Publication Number Publication Date
GB1330643A true GB1330643A (en) 1973-09-19

Family

ID=10347591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1330643D Expired GB1330643A (en) 1970-09-30 1970-09-30 Fluidic device

Country Status (1)

Country Link
GB (1) GB1330643A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000361A1 (en) * 1977-12-09 1979-06-28 P Bauer Improved fluidic oscillator and spray-forming output chamber
US4184636A (en) * 1977-12-09 1980-01-22 Peter Bauer Fluidic oscillator and spray-forming output chamber
USRE33448E (en) * 1977-12-09 1990-11-20 Fluidic oscillator and spray-forming output chamber
USRE33605E (en) * 1977-12-09 1991-06-04 Fluidic oscillator and spray-forming output chamber
EP3316264A4 (en) * 2016-02-09 2018-07-11 Mitsubishi Heavy Industries, Ltd. Flow damper, pressure accumulation and water injection device, and nuclear power equipment
CN113266623A (en) * 2021-05-17 2021-08-17 中国航空发动机研究院 Fluid oscillator with single feedback channel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000361A1 (en) * 1977-12-09 1979-06-28 P Bauer Improved fluidic oscillator and spray-forming output chamber
US4184636A (en) * 1977-12-09 1980-01-22 Peter Bauer Fluidic oscillator and spray-forming output chamber
USRE33448E (en) * 1977-12-09 1990-11-20 Fluidic oscillator and spray-forming output chamber
USRE33605E (en) * 1977-12-09 1991-06-04 Fluidic oscillator and spray-forming output chamber
EP3316264A4 (en) * 2016-02-09 2018-07-11 Mitsubishi Heavy Industries, Ltd. Flow damper, pressure accumulation and water injection device, and nuclear power equipment
CN113266623A (en) * 2021-05-17 2021-08-17 中国航空发动机研究院 Fluid oscillator with single feedback channel

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees