U.S. patent application number 13/039489 was filed with the patent office on 2011-09-15 for automatic liquid dispensing gun.
This patent application is currently assigned to PIUSI S.P.A.. Invention is credited to Otto Varini.
Application Number | 20110220244 13/039489 |
Document ID | / |
Family ID | 42813294 |
Filed Date | 2011-09-15 |
United States Patent
Application |
20110220244 |
Kind Code |
A1 |
Varini; Otto |
September 15, 2011 |
AUTOMATIC LIQUID DISPENSING GUN
Abstract
Automatic liquid dispensing gun, comprising a structure provided
with a connector for coupling to a pipe for feeding a liquid and
with a nozzle designed to be inserted in a container designed to
receive a dispensed liquid, the nozzle comprising a duct for
dispensing the liquid which is controlled by an actuation handle
and an air intake duct which reaches a device adapted to block the
dispensing of the liquid when the inflow of air ceases, the gun
further comprising an element that is sensitive to the passage of
the liquid and is connected to a sensor which transmits signals to
an electronic board capable of recording the dispensed quantity of
liquid, with transmission of the data item related to the dispensed
quantity to a display accommodated within the structure.
Inventors: |
Varini; Otto; (Suzzara,
IT) |
Assignee: |
PIUSI S.P.A.
Suzzara
IT
|
Family ID: |
42813294 |
Appl. No.: |
13/039489 |
Filed: |
March 3, 2011 |
Current U.S.
Class: |
141/392 |
Current CPC
Class: |
B67D 7/426 20130101;
B67D 7/425 20130101; G01F 15/003 20130101; B67D 7/48 20130101 |
Class at
Publication: |
141/392 |
International
Class: |
B65B 3/00 20060101
B65B003/00 |
Foreign Application Data
Date |
Code |
Application Number |
Mar 12, 2010 |
IT |
MI2010A000403 |
Claims
1. An automatic liquid dispensing gun, comprising a structure
provided with a connector for coupling to a pipe for feeding a
liquid and with a nozzle designed to be inserted in a container
designed to receive a dispensed liquid, said nozzle comprising a
duct for dispensing the liquid which is controlled by an actuation
handle and an air intake duct, which reaches a device adapted to
block the dispensing of the liquid when the inflow of air ceases,
the gun further comprising an element that is sensitive to the
passage of the liquid and is connected to a sensor which transmits
signals to an electronic board capable of recording the dispensed
quantity of liquid, with transmission of the data item related to
said quantity to a display accommodated within said structure.
2. The automatic gun according to claim 1, further comprising means
adapted to block the air intake duct, which are activated upon a
command that arrives from the electronic board when a value of the
quantity of liquid dispensed that is set by the user on said board
is reached, consequently stopping the flow of the liquid dispensed
by the gun.
3. The automatic gun according to claim 2, wherein said means
adapted to block the air intake duct comprise a flow control
element, which is retained by the action of a spring in a position
for opening the duct and is provided with a magnet designed to be
operated by a fixed coil, which is arranged so as to wrap around
said duct and is connected to the electronic board in order to
provide a translational motion of said flow control element toward
a position for closing the duct.
Description
[0001] The invention relates to an automatic liquid dispensing
gun.
BACKGROUND OF THE INVENTION
[0002] Nowadays so-called automatic guns for taking liquids from
cisterns or large tanks and dispensing such liquids into containers
are widespread. An extremely common example is of guns used in fuel
stations located along the road network which take fuel from buried
cisterns and transfer it to the tanks of motor vehicles.
[0003] Such guns comprise a structure provided with a connector for
coupling to a pipe for feeding the liquid and with a nozzle
designed to be inserted into the container designed to receive the
dispensed liquid, and such nozzle comprises a duct for dispensing
the liquid which is controlled by an actuation handle operated by
the user and an air intake duct which reaches a device adapted to
block the dispensing of the liquid when the inflow of air ceases,
as occurs when the level of liquid in the container being filled
rises to the point where it blocks the inlet of such air intake
duct.
SUMMARY OF THE INVENTION
[0004] The aim of the present invention is to provide an improved
automatic liquid dispensing gun.
[0005] This aim is achieved by an automatic liquid dispensing gun,
according to the invention, characterised in that it comprises the
features defined in the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
[0006] Further characteristics and advantages of the present
invention will become better apparent from the description of two
preferred, but not exclusive, embodiments of the invention,
illustrated by way of non-limiting examples in the accompanying
drawings wherein:
[0007] FIGS. 1 and 2 respectively show a side view and a plan view
of the gun according to the invention;
[0008] FIGS. 3 and 4 show enlarged details highlighted in FIG.
1;
[0009] FIGS. 5 and 6 respectively show a side view and a plan view
of the gun according to another embodiment of the present
invention;
[0010] FIGS. 7 and 8 show enlarged details highlighted in FIGS. 5
and 6.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0011] With references to the FIGS. 1 to 4, the reference numeral 1
generally designates a dispensing gun which comprises a structure 2
provided with a connector 3 for coupling to a pipe for feeding a
liquid, and a nozzle 4 designed to be inserted into a container
designed to receive the dispensed liquid.
[0012] The nozzle 4 comprises a duct 5 for dispensing the liquid
which is controlled by an actuation handle 6 operated by the user,
and further comprises an air intake duct 7 which reaches a device
adapted to block the dispensing of the liquid when the inflow of
air accommodated in the structure 2 (and not shown in the figures)
ceases.
[0013] A feature of the invention consists in the presence of an
element that is sensitive to the passage of the liquid and is
constituted by a turbine 8 which comprises a magnet 9 functionally
connected to a sensor which is constituted by a reed ampoule 10
which transmits signals to an electronic board 11, which is powered
by means of batteries 12 and is capable of processing such signals
so as to record the quantity of dispensed liquid which appears on a
display 13.
[0014] Moreover the electronic board 11 is also provided with a
further function that consists in the possibility offered to the
user to program, by means of buttons 14, the quantity of liquid
that is desired to be dispensed.
[0015] To this end the gun 1 comprises means adapted to block the
air intake duct 7 which are activated upon a command that arrives
from the electronic board 11 when the value of the quantity of
liquid that is programmed for dispensing is reached. The arrest of
the inflow of air to the aforementioned device present in the gun
consequently causes the arrest of the flow of liquid dispensed by
the gun.
[0016] Such means comprise a flow control element 15 which is
retained by the action of a spring 16 in a position for opening the
duct 7, as shown in the figures and in particular in FIG. 3 which
indicates the flow of air with arrows, and is provided with a
magnet 17 designed to be operated by a fixed coil 18 which is
connected to the electronic board 11 to provide the translational
movement of such flow control element toward the position for
closing the duct 7 when the value set on the board 11 is
reached.
[0017] Finally the numerals 19 and 20 respectively indicate a
button to start operation and a button to reset the previous
readings.
[0018] FIGS. 5 to 8 show another embodiment of the invention,
generally indicated with the reference numeral 21, which again
features the presence of the turbine 8 which comprises the magnet 9
functionally connected with the reed ampoule 10 that transmits
signals to the electronic board 11 which is capable of processing
such signals so as to record the quantity of dispensed liquid which
appears on the display 13.
[0019] By means of a button 22 the device is calibrated, and by
means of a button 23 the previous reading is reset.
[0020] The invention as described is susceptible to numerous
modifications and variations, all within the aim of the appended
claims. Moreover, all the details may be replaced with other
technically equivalent elements.
[0021] The disclosures in Italian Patent Application No.
MI2010A000403 from which this application claims priority are
incorporated herein by reference.
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