Device for heating liquid for washing glasses of motor vehicle

专利摘要:
A heating device for glass washing fluids of motor vehicles substantially consists of one or two plate-like bodies, each having an internal spiral channel. The channel(s) have two communications with the outside, namely an inlet and an outlet, are sealingly closed by a plate of copper or similar good heat conductor, and to the copper plate is superposed or between the plates is arranged as heating element a PTC (Positive Temperature Coefficient) thermistor, connected through a suitable switch to the poles of the vehicle battery, with the eventual interposition of a thermostat, the channel inlet being connected with the duct coming from the washing fluid reservoir provided with a pump, and the channel outlet being connected with the spraying nozzles, so that water enters cold the device inlet and goes out warm from the device outlet. It is also possible to make a chamber in one of the bodies at the point of the inlet, to connect directly the device with a washing fluid suction pump.
公开号:SU1294298A3
申请号:SU833649770
申请日:1983-09-23
公开日:1987-02-28
发明作者:Роккителли Онофрио
申请人:и (72) Онофрио Роккителли (IT)；
IPC主号:

专利说明:

The invention relates to a heating device for a fluid for washing windows of a motor vehicle and similar machines.
The purpose of the invention is to increase reliability and efficiency.
In Fig. 1, a device using one plate half,
studs 13, passing through the holes 14, made on the periphery of the cap 12.
The device works as follows.
The device is secured to the vehicle with a bolt through the hole 10 so that pin 9 is
side view, section; in figure 2 - the same, 10 connected to the negative terminal.
top view with partial cut; on fig.Z - the device with two plate halves, top view with a partial cut; figure 4 - section aa on fig.Z; fig.Z - section BB on fig.Z; 6 shows the elements of the connection of the plate halves, the section; 7 - a device with a pump.
The device in accordance with FIGS. 1 and 2 comprises a plate-shaped half of the body 1, made of a material with low thermal conductivity, in which a spiral groove 2 is provided, and provided with two fittings 3 and 4, which provide communication of the groove 2 with the outer space. The groove 2 is closed on top with a plate lid 5 made of a material that has a high thermal conductivity, such as copper. The groove 2 and the curved 5 form a spiral channel. The cover 5 is attached to the half of the body tightly. On the housing half 1, a circular groove 6 is formed outside the spiral groove 2, in which a 0-shaped sealing ring 7 is placed. A powerful thermistor 8 is located in contact with it, ensuring that the water flow required for spraying a motor vehicle and reaching into the device at room temperature 50-60 С at the exit.
Thermistor 8 is at one end connected to the vehicle's mass, for example, by means of contact 9 and an opening 10 connecting the device to the structure of the motor vehicle, and the other end is connected via a switch (not shown) ensuring quick connection of contact 11 to the positive electrical terminal scheme.
The cap 12, made of a material of low thermal conductivity, of which half 1 of the body is made, is attached to it with riveted
studs 13, passing through the holes 14, made on the periphery of the cap 12.
The device works as follows.
The device is secured to the vehicle with a bolt through the hole 10 so that pin 9 is
attached to negative clem.
five
0
five
0
g
Ie electrical circuit. The device is mounted in the fluid supply circuit, after the pump, which supplies the fluid in the reservoir to the spray nozzles, connects the nozzle 3 to the pipeline from the pump, and the nozzle 4 to the part of the pipeline to the nozzles. Thus, cold water before it enters the nozzles is heated in the device when electric current is applied to the thermistor 8.
Figures 3.4 and 5 show a device which consists of a body made of a low thermal conductivity material and divided into two plate halves 1, in each of which spiral grooves 2 are made, each of which is connected at one end to connecting piping 15 and 16, made in half 1 of the body.
Each of the grooves 2 is covered with lamellar lugs 5 made of a material of high thermal conductivity, such as copper.
Plate cover 5 is attached to each of the halves 1 of the housing tightly and form in each of them a spiral channel. In halves.1 of the body, grooves 6 are made in which 0-shaped rings 7 are placed.
The two channels are interconnected through an opening 17 made in clamps 5, while the water-tightness is ensured by means of an O-ring 18 placed around the openings 17 between the covers 5.
Between the covers 5, a thermistor 8 is located in direct contact with them, calibrated to a rather high temperature value, so that the amount of water that is contained in the device, which is required for spraying the injector of the motor vehicle, can
topic5
0
0
be fed to the input of the device with a temperature of approximately 5-6 C, and at the output
The water temperature is approximately 50-60 ° C, and the eth level is reached within a short period of time, for example, approximately 20 seconds. To keep the claws 5 in parallel planes, a spacer pad 19 is laid between them.
Thermistor-8 is connected to provide electrical contact
with the other side through, for example, a switch (not shown) and contact 21 to the positive terminal of the electrical circuit.
A thermostat 22 is installed between the thermistor 8 and the contact 21, which is in contact with one of the two covers 5 and controls the operation of the device.
In one of the halves 1 of the device body there is an overhanging part 23 provided with three openings 24,25 and 26, which are intended to be attached with bolts or screws in the corresponding compartment of the vehicle.
The pipes 15 and 16 connecting the spiral channels with the external space terminate in fittings 27 and 28, which protrude outward of each of the halves 1.
The device works as follows.
The device is attached to the vehicle in the compartment where the engine is located, using bolts and screws passing through openings 24.25 and 26. Two contacts 20 and 21 are connected to the electrical circuit of the vehicle; The device is built into the flushing fluid supply line, connecting the nipple 27 to the pipeline section running from the pump, and the nipple 28 to the part of the pipeline going to the nozzles. Cold water before entering the spray nozzles enters the device through the nozzle 27, flows through the spiral channel, passes through the holes 17 made in the lids 5, comes out of the device heated from the nozzle 28 due to its removal of heat from the Kristlek 5, and therefore from the thermistor 8 .
Parts of the device are fastened with rivets 29, passing through the pair of holes 30, made
five
0
five
0
0
on the peripheral edge of the device housing half 1 (FIG. 6).
.The device can be made as a single unit with a pump that provides liquid spraying.
In order to do this, it is enough to do in half of the housing where the suction pipe 15 is located, a chamber 31 for accommodating the pump impeller 32 (Fig. 7).
Formula of invention

权利要求:
Claims (6)
[1]
one . A device for heating the washing glass of a motor vehicle fluid, comprising a housing with a spiral channel, pipelines, communicated at the inlet with a reservoir with washing liquid, equipped with a pump, and at the outlet with spray nozzles, an electrical heating element located in the housing and connected to electrical terminals vehicle batteries, a switch and a thermostat, installed in the power supply line of the electric heating element, that is, in order to increase reliability and efficiency, the housing includes two plate halves in which spiral grooves are made, one ends of which are connected to fittings for connection to pipelines, and the other 5 ends are connected to each other, and the grooves are closed by plate hooks between which there is an electric heating element , made in the form of a thermistor with a positive temperature resistance coefficient, and the thermostat is mounted on one of the plate covers.
[2]
2. The device according to Claim 1, which means that both halves of the body are made of thermal insulation material.
[3]
3. The device according to Clause 1, for the TC l and cha-yu e with the fact that the lamellar bolts are made of a heat-conducting material, such as copper.
[4]
4. A device according to Claim 1, characterized in that it is equipped with 0-shaped sealing rings placed in grooves made in the housing half outside the spiral grooves, between the edges of the lamellar plates and the housing.
0
five
0
five
[5]
5. The device according to claim 1, about tl and - the fact that in the lamellar clamps holes are made in the place of coincidence of the interconnected ends of the grooves and around the holes between the lidded lids
/ g
at
L fc f JiMfei i ij И ИЫ И B u ij l ife w
placed a 0-shaped sealing ring.
[6]
6. The device according to claim 1, wherein the fittings are made with tips protruding from the housing for connection to the pipelines.
/
/
fd
/ g
/ J
/ J
fpus.S,
29
24
9ig
28
16 7
27
L2l
25
IS
; 2
FIG 5
GB
6/7
Fiz.7
23
Editor I.Rybchenko
Compiled by A. Mazilkin
Tehred A. Kravchuk Proofreader M. Sharoshi
Order 399/61 Circulation 599 Subscription
VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, Projecto st., 4

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EP3616949A1|2018-08-27|2020-03-04|Borgwarner Emissions Systems Spain, S.L.U.|Heating device|

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AT522500B1|2019-04-23|2020-12-15|Spiral heat exchanger|

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CN110936640B|2019-12-10|2021-04-20|中国科学院高能物理研究所|Heating belt, organic glass annealing system and control method|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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IT2301782U|IT8223017V0|1982-09-24|1982-09-24|HEATER DEVICE FOR WINDOW CLEANER LIQUID IN MOTOR VEHICLES AND SIMILAR.|

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IT2098683U|IT8320986V0|1983-03-02|1983-03-02|HEATER DEVICE FOR WINDOW CLEANER LIQUID IN MOTOR VEHICLES AND SIMILAR.|

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