GB1027817A - Fluid pulse generator - Google Patents

Fluid pulse generator

Info

Publication number
GB1027817A
GB1027817A GB594963A GB594963A GB1027817A GB 1027817 A GB1027817 A GB 1027817A GB 594963 A GB594963 A GB 594963A GB 594963 A GB594963 A GB 594963A GB 1027817 A GB1027817 A GB 1027817A
Authority
GB
United Kingdom
Prior art keywords
channel
discharge
fluid
pulses
pressure
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
GB594963A
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1027817A publication Critical patent/GB1027817A/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
    • F15C1/22—Oscillators
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/12—Apparatus for producing preselected time intervals for use as timing standards using fluidic devices
    • 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]

Abstract

1,027,817. Fluid amplifiers. SPERRY RAND CORPORATION. Feb 14,1963 [Feb 16, 1962],No 5949/63. Heading G3H. A fluid pulse train generator comprises a pure fluid amplifier with an inlet 11 for pressure fluid and a nozzle 13 the discharge from which passes alternately to channels 16,17, a pulse being delivered to an outlet 32 each time the discharge changes from one channel 16 or 17 to the other. Fluid discharging through either channel 16,17 tends to continue to discharge through that channel, due to the creation of a low pressure boundary layer region at the wall 14 or 15, until it is deflected by a control jet from a nozzle 22 or 25. Each control jet is connected to a channel 16 or 17 and becomes effective to deflect the main discharge when a predetermined pressure is established in the channel to which it is connected. By adjusting the setting of pressure sources 26, 27 connected to the channels 16, 17 the time taken for the pressure in a control jet to reach the value necessary to deflect the main stream, and hence the frequency of pulses delivered to the outlet 32, can be varied. Unequal intervals between pulses can be produced by adjusting the sources 26, 27 to different pressures and/or by designing the control nozzles 22, 25 to cause change-over at different pressures. Acute changes in the slope of the walls 14, 15 may be provided at regions, 18, 19. In a modification, in which such changes are omitted, tappings from the channels 16, 17 are taken from points upstream of the tappings for the control nozzles 22, 25 and are led to nozzles which assist in holding the discharge to a channel until their effect is overcome by the control nozzles. The pulses at the outlet 32 may be used for any device which employs a train of clock pulses.
GB594963A 1962-02-16 1963-02-14 Fluid pulse generator Expired GB1027817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17369462 US3159168A (en) 1962-02-16 1962-02-16 Pneumatic clock

Publications (1)

Publication Number Publication Date
GB1027817A true GB1027817A (en) 1966-04-27

Family

ID=22633109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB594963A Expired GB1027817A (en) 1962-02-16 1963-02-14 Fluid pulse generator

Country Status (4)

Country Link
US (1) US3159168A (en)
CH (1) CH410484A (en)
GB (1) GB1027817A (en)
NL (1) NL289079A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993022565A1 (en) * 1992-04-27 1993-11-11 Hr Textron Inc. Adjustable low frequency hydrofluidic oscillator
US5497909A (en) * 1991-04-29 1996-03-12 Du Pont Canada Inc. Reuseable pouch fitment

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374799A (en) * 1962-06-21 1968-03-26 Pitney Bowes Inc Fluid flow control system
US3229705A (en) * 1963-03-29 1966-01-18 Ibm Fluid memory
US3258023A (en) * 1963-04-12 1966-06-28 Romald E Bowles Pneumatic eye
US3267947A (en) * 1963-06-17 1966-08-23 Romald E Bowles Pressure recovery from bistable element
US3238958A (en) * 1963-08-07 1966-03-08 Raymond W Warren Multi-channel fluid elements
US3266510A (en) * 1963-09-16 1966-08-16 Sperry Rand Corp Device for forming fluid pulses
US3228410A (en) * 1963-09-30 1966-01-11 Raymond W Warren Fluid pulse width modulation
US3244189A (en) * 1963-10-04 1966-04-05 Feedback Systems Inc Fluid valve device
US3272215A (en) * 1963-10-29 1966-09-13 Johnson Service Co Fluid control apparatus
US3285263A (en) * 1963-11-01 1966-11-15 Johnson Service Co Input fluid control apparatus
US3520316A (en) * 1963-12-12 1970-07-14 Bowles Eng Corp Pressure-to-pressure transducer
US3253605A (en) * 1963-12-18 1966-05-31 Ibm Fluid logic trigger
CH420682A (en) * 1964-01-07 1966-09-15 Ibm Fluid element with pulsating main flow
US3348562A (en) * 1964-01-30 1967-10-24 Honeywell Inc Control apparatus
US3258024A (en) * 1964-02-18 1966-06-28 Sperry Rand Corp Fluid vortex flip-flop
US3313313A (en) * 1964-04-10 1967-04-11 Katz Silas Fluid pressure reference
US3340885A (en) * 1964-05-26 1967-09-12 Bowles Eng Corp Pressure band detector
US3402727A (en) * 1964-09-23 1968-09-24 Gen Electric Fluid amplifier function generator
US3405736A (en) * 1964-10-13 1968-10-15 Sperry Rand Corp Pure fluid logic element
US3331380A (en) * 1964-11-27 1967-07-18 Sperry Rand Corp Control and delay device for liquid fluid circuits
US3320966A (en) * 1964-12-31 1967-05-23 Elmer L Swartz Fluid oscillator
US3429324A (en) * 1965-02-16 1969-02-25 Corning Glass Works Fluid operated apparatus
US3410289A (en) * 1965-04-02 1968-11-12 Bowles Eng Corp Pure fluid remote control system
US3413994A (en) * 1965-08-18 1968-12-03 Bowles Eng Corp Variable gain proportional amplifier
US3504690A (en) * 1965-10-14 1970-04-07 Howard L Rose Pressure band detector
US3527240A (en) * 1965-10-21 1970-09-08 Bowles Eng Corp Parametric lumped circuit fluid amplifier
US3398759A (en) * 1965-10-21 1968-08-27 Howard L. Rose Variable fluid impedance and systems employing same
US3517686A (en) * 1966-07-13 1970-06-30 Pitney Bowes Inc Fluid oscillator system
US3451408A (en) * 1966-09-08 1969-06-24 Honeywell Inc Control apparatus
US3452771A (en) * 1966-09-26 1969-07-01 Us Army Temperature insensitive fluid oscillator
US3467125A (en) * 1967-01-11 1969-09-16 Bowles Eng Corp System for measuring fluid pressure
US3448752A (en) * 1967-04-18 1969-06-10 Us Navy Fluid oscillator having variable volume feedback loops
US3500849A (en) * 1967-05-10 1970-03-17 Corning Glass Works Free-running oscillator
US3490475A (en) * 1967-06-09 1970-01-20 Corning Glass Works Load switched oscillator
US3508565A (en) * 1967-08-08 1970-04-28 Westinghouse Air Brake Co Fluid device
US3554204A (en) * 1967-10-20 1971-01-12 Corning Glass Works System for determining the rate change of pressure
CH463833A (en) * 1967-12-22 1968-10-15 Eckardt Ag J Transmission link for pressure medium-operated measuring and control devices
US3552414A (en) * 1968-01-24 1971-01-05 Garrett Corp Pulsating fluid pressure frequency rectifier
US3557814A (en) * 1968-04-26 1971-01-26 Bowles Eng Corp Modulated pure fluid oscillator
US3513868A (en) * 1968-05-07 1970-05-26 Atomic Energy Commission Fluidic oscillator
US3640300A (en) * 1969-12-10 1972-02-08 Us Air Force Fluid amplifier frequency multiplier
US8272404B2 (en) * 2009-10-29 2012-09-25 Baker Hughes Incorporated Fluidic impulse generator
AU2014259554B2 (en) * 2009-10-29 2016-06-09 Baker Hughes Incorporated Fluidic impulse generator
DE102012013328A1 (en) * 2012-07-06 2014-04-03 Airbus Operations Gmbh Device for generating fluid pulses
DE102017130765B4 (en) * 2017-12-20 2021-02-25 Fdx Fluid Dynamix Gmbh Ultrasonic measuring device and applications of the ultrasonic measuring device
US11434945B2 (en) * 2018-11-15 2022-09-06 Ramot At Tel Aviv Universitv Ltd. Device and method for creating a distribution of unsteady suction
GB201905126D0 (en) * 2019-04-11 2019-05-29 Perlemax Ltd Fluidic oscilators

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024805A (en) * 1960-05-20 1962-03-13 Billy M Horton Negative feedback fluid amplifier
US3001539A (en) * 1960-08-15 1961-09-26 Hurvitz Hyman Suction amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497909A (en) * 1991-04-29 1996-03-12 Du Pont Canada Inc. Reuseable pouch fitment
WO1993022565A1 (en) * 1992-04-27 1993-11-11 Hr Textron Inc. Adjustable low frequency hydrofluidic oscillator

Also Published As

Publication number Publication date
NL289079A (en) 1900-01-01
US3159168A (en) 1964-12-01
CH410484A (en) 1966-03-31

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