FR2782347A1 - Axial flow motor pump including an integral flow meter, flow limiter and pressure regulator, especially for use in an automatic coffee machine - Google Patents

Axial flow motor pump including an integral flow meter, flow limiter and pressure regulator, especially for use in an automatic coffee machine Download PDF

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Publication number
FR2782347A1
FR2782347A1 FR9810989A FR9810989A FR2782347A1 FR 2782347 A1 FR2782347 A1 FR 2782347A1 FR 9810989 A FR9810989 A FR 9810989A FR 9810989 A FR9810989 A FR 9810989A FR 2782347 A1 FR2782347 A1 FR 2782347A1
Authority
FR
France
Prior art keywords
flow
flow meter
coffee machine
motor pump
pressure regulator
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.)
Granted
Application number
FR9810989A
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French (fr)
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FR2782347B1 (en
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.)
Individual
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
Priority to FR9810989A priority Critical patent/FR2782347B1/en
Application filed by Individual filed Critical Individual
Priority to ES99920876T priority patent/ES2195568T3/en
Priority to PCT/FR1999/001158 priority patent/WO1999060270A1/en
Priority to AU38289/99A priority patent/AU751763B2/en
Priority to DE69906072T priority patent/DE69906072T9/en
Priority to DK99920876T priority patent/DK1088164T3/en
Priority to EP99920876A priority patent/EP1088164B1/en
Priority to PT99920876T priority patent/PT1088164E/en
Priority to US09/674,508 priority patent/US6942470B1/en
Priority to CA002332605A priority patent/CA2332605A1/en
Priority to AT99920876T priority patent/ATE235000T1/en
Publication of FR2782347A1 publication Critical patent/FR2782347A1/en
Application granted granted Critical
Publication of FR2782347B1 publication Critical patent/FR2782347B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/046—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the fluid flowing through the moving part of the motor
    • 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
    • G01F1/06—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 using rotating vanes with tangential admission
    • G01F1/075—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 using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device

Abstract

Axial flow motor pump (1) has an electromagnetic motor and hollow free piston. Incorporated in the device are a flow meter (2) and a flow limiter (3). A pressure regulator controls the supply of liquid to the pump via a number of internal passages. A flexible membrane that borders a chamber at which the fluids converge can be used to actuate an electric contact that switches off power to the pump.

Description

La présente invention a pour objet une motopompe à écoulement axialThe subject of the present invention is a motor pump with axial flow

traversant et débitmètre incorporé. Elle est destinée en particulier à équiper  through and incorporated flowmeter. It is intended in particular to equip

une machine à café automatique.an automatic coffee machine.

Sur les dessins annexés, donnés à titre d'exemple non limitatif d'une des formes de réalisation de l'objet de l'invention: la figure 1 est une coupe axiale de la pompe à eau à débitmètre incorporé, la figure 2 est une coupe transversale suivant les flèches F1 de la figure 1, la figure 3 est une vue agrandie de face de la roue à palettes du débitmètre et la figure 4 est une  In the accompanying drawings, given by way of nonlimiting example of one of the embodiments of the subject of the invention: FIG. 1 is an axial section of the water pump with incorporated flow meter, FIG. 2 is a cross section according to the arrows F1 in FIG. 1, FIG. 3 is an enlarged front view of the paddle wheel of the flow meter and FIG. 4 is a

coupe axiale suivant les flèches F2 de la figure 3.  axial section following the arrows F2 in FIG. 3.

Le dispositif, figures 1 à 4, est constitué d'une motopompe 1 d'alimentation en eau consistant en un ensemble monobloc comportant un débitmètre 2 et un limiteur de pression 3 intégrés. Elle est de préférence du type à piston libre creux à moteur électromagnétique, mais peut aussi bien être de type à piston commandé entraîné par un moteur rotatif. Dans le premier cas, elle est avantageusement constituée d'un corps principal 4, usiné en une seule pièce de matière plastique, l'une de ses extrémités formant la bobine 5 du moteur électromagnétique, l'autre extrémité contenant le bloc cylindre 6 dans lequel se meut le piston 7, et comportant  The device, Figures 1 to 4, consists of a motor pump 1 for water supply consisting of a one-piece assembly comprising a flow meter 2 and a pressure limiter 3 integrated. It is preferably of the hollow free piston type with an electromagnetic motor, but may also be of the controlled piston type driven by a rotary motor. In the first case, it advantageously consists of a main body 4, machined in a single piece of plastic, one of its ends forming the coil 5 of the electromagnetic motor, the other end containing the cylinder block 6 in which the piston 7 moves, and comprising

des clapets anti-retour 8 et 9.non-return valves 8 and 9.

Le débitmètre 2, situé dans un bloc fermant le corps principal 4 du côté opposé du bloc cylindre 6, directement après l'arrivée d'eau 10 (figure 2), est formé d'une roue folle 11 à palettes et comporte un ou plusieurs aimants permanents 12 dont le passage est détecté par un détecteur électromagnétique 13, ayant pour double fonction de permettre d'arrêter la motopompe une fois la quantité d'eau désirée obtenue, et de  The flow meter 2, located in a block closing the main body 4 on the opposite side of the cylinder block 6, directly after the water inlet 10 (FIG. 2), is formed by a idler wheel 11 with paddles and comprises one or more permanent magnets 12, the passage of which is detected by an electromagnetic detector 13, having the dual function of making it possible to stop the motor pump once the desired quantity of water has been obtained, and

signaler un éventuel défaut d'arrivée d'eau.  signal a possible fault with the water supply.

Le limiteur de pression 3 est constitué d'un perçage ménagé dans le bloc cylindre 6 contenant un clapet à ressort taré mettant en communication la sortie d'eau 14 avec la base du piston 7, de manière à ce que l'eau soit recyclée, sans entraîner le débitmètre 2 en  The pressure relief valve 3 consists of a bore in the cylinder block 6 containing a calibrated spring valve placing the water outlet 14 in communication with the base of the piston 7, so that the water is recycled, without driving the flowmeter 2 in

cas de contre-pression à ladite sortie d'eau.  case of back pressure at said water outlet.

La disposition de l'entrée d'eau 10 et du débitmètre 2 à l'opposé de la sortie d'eau 14 entraîne un passage de l'eau à travers la partie motrice de la pompe, suivant l'axe de cette dernière, ce qui permet d'avoir un flux direct améliorant sensiblement le fonctionnement et  The arrangement of the water inlet 10 and the flow meter 2 opposite the water outlet 14 causes the water to pass through the driving part of the pump, along the axis of the latter, this which allows to have a direct flow appreciably improving the operation and

la fiabilité de la pompe comme les essais l'ont démontré.  the reliability of the pump as tests have shown.

Le positionnement des divers éléments constitutifs donne à l'objet de l'invention un maximum d'effets utiles qui n'avaient pas été, à ce jour, obtenus  The positioning of the various constituent elements gives the object of the invention a maximum of useful effects which had not, to date, been obtained.

par des dispositifs similaires.by similar devices.

Claims (1)

REVENDICATIONCLAIM 1 . Motopompe à écoulement axial traversant à débitmètre incorporé, destinée en particulier à équiper une machine à café automatique, se caractérisant par le fait qu'elle est du type à piston libre creux à moteur électromagnétique et qu'elle est constituée d'un corps principal (4), usiné en une seule pièce de matière plastique, l'une de ses extrémités formant la bobine (5) du moteur électromagnétique, l'autre extrémité contenant le bloc cylindre (6) dans lequel se meut le piston (7), et comportant des clapets anti-retour (8 et 9), le débitmètre (1), situé dans un bloc fermant le corps principal (4) du côté opposé à la sortie d'eau (14), directement après l'arrivée d'eau (10), étant formé d'une roue folle (11) à palettes comportant un ou plusieurs aimants permanents (12) dont le passage est détecté par un détecteur électromagnétique (13), et le limiteur de pression (3) étant constitué d'un perçage ménagé dans le bloc cylindre (6) contenant un clapet à ressort taré mettant en communication la sortie d'eau (14) avec la base du piston (7), de manière à ce que l'eau soit recyclée, sans entraîner le débitmètre (2) en cas de contre-pression à  1. Motor pump with axial flow through with built-in flow meter, intended in particular to equip an automatic coffee machine, characterized by the fact that it is of the hollow free piston type with electromagnetic motor and that it consists of a main body ( 4), machined in a single piece of plastic, one of its ends forming the coil (5) of the electromagnetic motor, the other end containing the cylinder block (6) in which the piston (7) moves, and comprising non-return valves (8 and 9), the flow meter (1), located in a block closing the main body (4) on the side opposite the water outlet (14), directly after the water supply (10), being formed by a loose wheel (11) with paddles comprising one or more permanent magnets (12), the passage of which is detected by an electromagnetic detector (13), and the pressure relief valve (3) consisting of a hole in the cylinder block (6) containing a calibrated spring valve communicating the water outlet (14) with the base of the piston (7), so that the water is recycled, without driving the flow meter (2) in the event of back pressure at ladite sortie d'ea+u.said exit from ea + u.
FR9810989A 1998-05-15 1998-08-31 MOTOR PUMP WITH AXIAL FLOW THROUGH AND INCORPORATED FLOWMETER Expired - Fee Related FR2782347B1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR9810989A FR2782347B1 (en) 1998-08-31 1998-08-31 MOTOR PUMP WITH AXIAL FLOW THROUGH AND INCORPORATED FLOWMETER
US09/674,508 US6942470B1 (en) 1998-05-15 1999-05-14 Motor pump system with axial through flow utilizing an incorporated flowmeter and pressure controller
AU38289/99A AU751763B2 (en) 1998-05-15 1999-05-14 Motor pump with axial through flow comprising an incorporated flowmeter and pressure controller
DE69906072T DE69906072T9 (en) 1998-05-15 1999-05-14 MOTOR PUMP WITH AXIAL FLOW, WITH INTEGRATED FLOW METER AND PRESSURE SWITCH
DK99920876T DK1088164T3 (en) 1998-05-15 1999-05-14 Motor pump with axial flow
EP99920876A EP1088164B1 (en) 1998-05-15 1999-05-14 Motor pump with axial through flow comprising an incorporated flowmeter and pressure controller
ES99920876T ES2195568T3 (en) 1998-05-15 1999-05-14 MOTOR PUMP OF THROUGH AXIAL FLOW WITH INCORPORATED FLOW AND PRESSURE.
PCT/FR1999/001158 WO1999060270A1 (en) 1998-05-15 1999-05-14 Motor pump with axial through flow comprising an incorporated flowmeter and pressure controller
CA002332605A CA2332605A1 (en) 1998-05-15 1999-05-14 Motor pump with axial through flow comprising an incorporated flowmeter and pressure controller
AT99920876T ATE235000T1 (en) 1998-05-15 1999-05-14 MOTOR PUMP WITH AXIAL FLOW, WITH INTEGRATED FLOW METER AND PRESSURE SWITCH
PT99920876T PT1088164E (en) 1998-05-15 1999-05-14 AXIAL CLEANING MOTO PUMP WITH DEBIT METER INCLUDED AND PRESSURE SWITCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9810989A FR2782347B1 (en) 1998-08-31 1998-08-31 MOTOR PUMP WITH AXIAL FLOW THROUGH AND INCORPORATED FLOWMETER

Publications (2)

Publication Number Publication Date
FR2782347A1 true FR2782347A1 (en) 2000-02-18
FR2782347B1 FR2782347B1 (en) 2000-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810989A Expired - Fee Related FR2782347B1 (en) 1998-05-15 1998-08-31 MOTOR PUMP WITH AXIAL FLOW THROUGH AND INCORPORATED FLOWMETER

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FR (1) FR2782347B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160380A (en) * 1978-04-03 1979-07-10 Chrysler Corporation Pump enclosed fluid flowmeter
FR2428827A1 (en) * 1978-06-15 1980-01-11 Rancilio Officina Sas DEVICE FOR AUTOMATIC DOSING OF BEVERAGE DELIVERED BY EXPRESS COFFEE MAKING MACHINES
CH675312A5 (en) * 1988-06-13 1990-09-14 Rueck & Meier Ag Fluid dosing device using timed pump operation - compensates set time for detected variation in pump flow
WO1995026461A1 (en) * 1994-03-29 1995-10-05 Orbital Engine Company (Australia) Pty. Limited Pump control system
DE4437670C1 (en) * 1994-10-21 1996-04-04 Samaro Eng & Handel Pump for conveying liquids

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160380A (en) * 1978-04-03 1979-07-10 Chrysler Corporation Pump enclosed fluid flowmeter
FR2428827A1 (en) * 1978-06-15 1980-01-11 Rancilio Officina Sas DEVICE FOR AUTOMATIC DOSING OF BEVERAGE DELIVERED BY EXPRESS COFFEE MAKING MACHINES
CH675312A5 (en) * 1988-06-13 1990-09-14 Rueck & Meier Ag Fluid dosing device using timed pump operation - compensates set time for detected variation in pump flow
WO1995026461A1 (en) * 1994-03-29 1995-10-05 Orbital Engine Company (Australia) Pty. Limited Pump control system
DE4437670C1 (en) * 1994-10-21 1996-04-04 Samaro Eng & Handel Pump for conveying liquids

Also Published As

Publication number Publication date
FR2782347B1 (en) 2000-12-29

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