EA201401158A1 - JET GENERATOR - Google Patents

JET GENERATOR

Info

Publication number
EA201401158A1
EA201401158A1 EA201401158A EA201401158A EA201401158A1 EA 201401158 A1 EA201401158 A1 EA 201401158A1 EA 201401158 A EA201401158 A EA 201401158A EA 201401158 A EA201401158 A EA 201401158A EA 201401158 A1 EA201401158 A1 EA 201401158A1
Authority
EA
Eurasian Patent Office
Prior art keywords
guides
minimum
flow
allows
technical result
Prior art date
Application number
EA201401158A
Other languages
Russian (ru)
Other versions
EA025951B1 (en
Inventor
Евгений Викторович УШАКОВ
Евгений Дмитриевич ХРУЛЁВ
Original Assignee
Общество С Ограниченной Ответственностью "Элехант"
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 Общество С Ограниченной Ответственностью "Элехант" filed Critical Общество С Ограниченной Ответственностью "Элехант"
Publication of EA201401158A1 publication Critical patent/EA201401158A1/en
Publication of EA025951B1 publication Critical patent/EA025951B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/12—Fluid oscillators or pulse generators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/3227—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters using fluidic oscillators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Изобретение относится к измерительной технике и может быть использовано при измерении расхода и объема жидкой, газовых сред и пара в теплоэнергетической, газовой, химической и других отраслях промышленности. Техническим результатом, на достижение которого направлено заявленное изобретение, является обеспечение высокой чувствительности устройства на малых расходах, что позволяет повысить уровень полезного сигнала при минимальных расходах, и снижение минимального порога чувствительности, что позволяет снизить минимальный расход, при котором начинается генерация. Указанный технический результат достигается тем, что в струйном генераторе, содержащем струйный дискретный элемент, включающий в себя сопло питания, рабочую камеру, образованную внутренними стенками двух направляющих, отклоняющимися наружу от среза сопла, и разделитель с вогнутым дефлектором, на каждой из направляющих с ее наружной стороны выполнен П-образный вырез, стороны которого образуют с касательной к направлению движения потока в каналах обратной связи угол не более 90°. При этом угол между направляющими может составлять от 15 до 40°, предпочтительно 30°, а сопло питания может быть выполнено с конфузором.The invention relates to a measuring technique and can be used when measuring the flow and volume of liquid, gas media and steam in the heat, gas, chemical and other industries. The technical result, the achievement of which the claimed invention is directed, is to ensure high sensitivity of the device at low flow rates, which allows to increase the level of the useful signal at minimum costs, and reduce the minimum sensitivity threshold, which allows to reduce the minimum flow rate at which generation starts. This technical result is achieved by the fact that in an inkjet generator containing an inkjet discrete element that includes a power nozzle, a working chamber formed by the inner walls of two guides deflecting outward from the nozzle section, and a separator with a concave deflector, on each of the guides with its outer the sides are made U-shaped notch, the sides of which form with a tangent to the direction of flow in the feedback channels angle of not more than 90 °. The angle between the guides can be from 15 to 40 °, preferably 30 °, and the power nozzle can be made with confuser.

EA201401158A 2013-07-24 2013-07-24 Jet generator EA025951B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2013/000636 WO2015012712A1 (en) 2013-07-24 2013-07-24 Jet generator

Publications (2)

Publication Number Publication Date
EA201401158A1 true EA201401158A1 (en) 2015-04-30
EA025951B1 EA025951B1 (en) 2017-02-28

Family

ID=52393609

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201401158A EA025951B1 (en) 2013-07-24 2013-07-24 Jet generator

Country Status (2)

Country Link
EA (1) EA025951B1 (en)
WO (1) WO2015012712A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562867A (en) * 1978-11-13 1986-01-07 Bowles Fluidics Corporation Fluid oscillator
FR2690717B1 (en) * 1992-04-29 1995-06-30 Schlumberger Ind Sa FLUID OSCILLATOR AND FLOWMETER COMPRISING SUCH AN OSCILLATOR.
RU2120066C1 (en) * 1996-05-31 1998-10-10 Государственный научный центр РФ Государственный научно-исследовательский институт теплоэнергетического приборостроения Fluidic self-excited oscillator
WO2002090782A1 (en) * 2001-04-24 2002-11-14 Savitsky, Alexandr Anatolievich Jet active oscillator and oscillating flow meters based thereon (variants)
RU2244265C1 (en) * 2003-05-21 2005-01-10 Общество с ограниченной ответственностью "ИНТЕР ИНВЕСТ ПРИБОР" Jet self-excited oscillator flowmeter-counter

Also Published As

Publication number Publication date
EA025951B1 (en) 2017-02-28
WO2015012712A1 (en) 2015-01-29

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU