PL98506B1 - SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS - Google Patents

SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS Download PDF

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Publication number
PL98506B1
PL98506B1 PL18631176A PL18631176A PL98506B1 PL 98506 B1 PL98506 B1 PL 98506B1 PL 18631176 A PL18631176 A PL 18631176A PL 18631176 A PL18631176 A PL 18631176A PL 98506 B1 PL98506 B1 PL 98506B1
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Poland
Prior art keywords
influence
eliminate
flow meter
flowing fluid
fuel
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Application number
PL18631176A
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Polish (pl)
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Priority to PL18631176A priority Critical patent/PL98506B1/en
Publication of PL98506B1 publication Critical patent/PL98506B1/en

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Description

Przedmiotem wynalazku jest uklad eliminujacy wplyw pulsacji przeplywajacej cieczy na wskazania przeplywomierza, przeznaczony zwlaszcza dla paliwomierzy samochodowych. Zastosowanie tego ukladu wplywa w sposób zasadniczy na poprawe dokladnosci wskazan przyrzadu. » W dotychczas znanych paliwomierzach samochodowych do pomiaru przeplywu wykorzystuje sie strumien paliwa, którego natezenia przeplywu jest niarównomierne co powoduje mala dokladnosc wskazan paliwomierza.Przyczyna nierównomiernego natezenia przeplywu paliwa jest to, ze pompa paliwowa wytwarza w instalacjach paliwowych cisnienie o charakterze pulsujacym. Ponadto zawory w komorach plywakowych gazników pracujac w warunkach drgan wywolanych praca silnika samochodowego lub ruchem samochodu, powoduja skokowe zmiany natezenia przeplywu paliwa. « Celem wynalazku jest wyeliminowanie podanej niedogodnosci przez opracowanie ukladu eliminujacego wplyw pulsacji przeplywajacej cieczy na wskazania przeplywomierza, dzieki czemu uzyskuje sie poprawe dokladnosci jego wskazan. Cel teit osiagnieto przez zastosowanie w ukladzie eliminujacym wplyw pulsacji przeplywajacej cieczy na wskazania przeplywomierza, komory wyrównawczej zawierajacej elastyczna przepone, przy czym komora ta umieszczona jest pomiedzy przewodem wlotowym ukladu a przewodem wylotowym ukladu. < Przedmiot wynalazku jest uwidoczniony w przykladzie wykonania na rysunku, który przedstawia struktu¬ ralny schemat polaczenia paliwomierza samochodowego z ukladem eliminujacym wplyw pulsacji przeplywajace¬ go paliwa na jego wskazania. < Paliwo poprzez przewód wlotowy 4 przeplywa przewodem inercyjnym 2 do paliwomierza 1 i nastepnie do przewodu wylotowego 5. Róznica cisnienia pomiedzy wlotem i wylotem powoduje jedynie napiecie elastycznej przepony 3, która umieszczona jest w komorze wyrównawczej 6. Natomiast w przypadku gdy w przewodzie2 98 506 wlotowym 4 i/lub przewodzie wylotowym 5 natezenie przeplywu zmienia sie w sposób pulsujacy, wówczas na skutek bezwladnosci paliwa w przewodzie inercyjnym 2. pulsacje przeplywu sa przenoszone przez elastyczna przepone 3, dzieki czemu przez paliwomierz przeplywa strumien paliwa pozbawiony praktycznie pulsacji. < PLThe subject of the invention is a system eliminating the influence of the pulsation of the flowing liquid on the indications of the flow meter, intended especially for automotive fuel meters. The application of this system significantly influences the improvement of the accuracy of the indications of the device. »In the so far known car fuel gauges, the flow of fuel is used for flow measurement, the flow rate of which is uneven, which results in poor accuracy of the fuel meter indicated. The reason for the uneven fuel flow is that the fuel pump generates pulsating pressure in the fuel systems. In addition, the valves in the float chambers of gas cylinders, operating in vibration conditions caused by car engine operation or car movement, cause abrupt changes in the fuel flow rate. “The aim of the invention is to eliminate the above-mentioned disadvantage by developing a system that eliminates the influence of pulsation of the flowing liquid on the flowmeter indications, thanks to which the accuracy of its indications is improved. The purpose of the teit was achieved by the use of an equalizing chamber containing a flexible diaphragm in a system that eliminates the influence of pulsation of the flowing liquid on the flowmeter indications, the chamber being located between the system inlet pipe and the system outlet pipe. The subject of the invention is illustrated in an example of an embodiment in the drawing, which shows a structural diagram of the connection of a car fuel gauge with a system eliminating the influence of pulsation of the flowing fuel on its indications. <Fuel flows through the inlet line 4 through the inertial line 2 to the fuel meter 1 and then to the exhaust line 5. The difference in pressure between the inlet and the outlet causes only the tension of the flexible diaphragm 3, which is located in the equalizing chamber 6. However, in the case when in the inlet line 2 98 506 4 and / or in the exhaust line 5, the flow rate changes in a pulsating manner, then due to the inertia of the fuel in the inertial line 2. flow pulsations are transferred through the flexible diaphragm 3, so that a fuel stream with virtually no pulsation flows through the fuel meter. <PL

Claims (1)

1. Zastrzezenie patentowe Uklad eliminujacy wplyw pulsacji przeplywajacej cieczy na wskazania przeplywomierza, przeznaczony zwlaszcza dla paliwomierzy samochodowych, znamienny tym, ze ma wyrównawcza komore (6) z elastyczna przepona (3), która umieszczona jest pomiedzy przewodem wlotowym (4) ukladu i przewodem wylotowym (5) ukladu. < Prac. Poligraf. UP PRL naklad 120+18 Cena 45 zl PL1. Patent claim A system eliminating the influence of pulsation of the flowing liquid on the readings of the flowmeter, intended especially for automotive fuel meters, characterized by the fact that it has an equalizing chamber (6) with a flexible diaphragm (3), which is located between the inlet conduit (4) of the system and the outlet conduit (5) layout. <Work. Typographer. UP PRL, circulation 120 + 18 Price PLN 45 PL
PL18631176A 1976-01-02 1976-01-02 SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS PL98506B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18631176A PL98506B1 (en) 1976-01-02 1976-01-02 SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL18631176A PL98506B1 (en) 1976-01-02 1976-01-02 SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS

Publications (1)

Publication Number Publication Date
PL98506B1 true PL98506B1 (en) 1978-05-31

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Application Number Title Priority Date Filing Date
PL18631176A PL98506B1 (en) 1976-01-02 1976-01-02 SYSTEM TO ELIMINATE THE INFLUENCE OF FLOWING FLUID PULSATION ON THE FLOW METER INDICATION DESIGNED, ESPECIALLY FOR MOTOR FUEL METERS

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PL (1) PL98506B1 (en)

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