RU35554U1 - Pre-heater for internal combustion engine - Google Patents

Description

J200313d202

Prestarting engine heater

The utility model relates to the field of internal combustion engines (ICE) and may

used for heating fluid in the engine cooling system and oil in its crankcase

in front of cusp in the cold season.

Known ICE containing a fire heater (1) located in the intake system

to accelerate the internal combustion engine by introducing gaseous products of combustion,

emitted by the fire heater into the inlet channel and warming up accordingly

engine elements. The known device contains a means of refraining exhaust

gas, means for controlling the amount of recirculated exhaust gas, means

for determining the amount of fresh air, several vintages and other

elements connected in a certain way.

The known device is complex, expensive, and its use is limited only

the most modern cars.

Also known is a pre-heater (2), which is installed under the front

the cross member of the car frame, for example, the KamAZ brand, and consists of several nodes and

systems: boiler assembly with burner, solenoid valve with force and

electric fuel heater assembly, pump unit with electric motor,

fan, liquid and fuel pumps, electric spark ignition systems with

spark plug and transistor switch, remote control systems

heater with operating mode switch, motor contactor and relay

electric fuel heater.

The design of this heater is very complex and, therefore, has a small

reliability (as practice shows, it fails after several seasons)

In addition, the well-known heater requires a lot of electricity for its operation, since

his system, in addition to the electric motor, includes several more devices that consume

electricity, and due to this, the car’s batteries are quickly discharged and must

be in very good condition to ensure the operation of the heater, although

in winter, as you know, their energy intensity can be reduced due to cooling almost

half.

The tasks this utility model seeks to solve are simplification.

The tasks are achieved due to the fact that in the engine pre-heater, which contains a boiler with a burner connected to it and an internal tank for heating the coolant, inlet and outlet pipes connecting the tank for heating the coolant with the engine coolant system, according to the stated solution, the tank for heating of the coolant is made in the form of a coil of TP5, transversely crossing the yugel and passing along its entire length, while the inlet and outlet pipes can be located at any month e side of the boiler, the burner opening for connection vsholneno in front end part of the boiler, and the combustion products come out of its rear end portion.

Significant differences between the claimed solution and the known one include the implementation of a tank for heating the coolant in the form of a coil from pipes transversely crossing the boiler, which allows the most efficient use of the thermal energy of the burner for heating the coolant and increase the heater 1SPD. At the same time, most of the complex elements such as an electric motor, an electromagnetic fuel valve, an electric spark ignition system with a spark plug and a transistor switch, and so on, are excluded from the heater, which certainly simplifies the device. A preferred embodiment of the inventive Nrednuski ICE heater is shown on the accompanying drawings, moreover, in the drawing of FIG. 1 is a top view of the proposed heater, and in FIG. 2 is a side view. The pre-heater consists of a boiler, which may be in the form of a parallelepiped. The front end part of the boiler is made in the form of a truncated pyramid, at the top of which there is a hole З where the burner is inserted and fixed (not conditionally shown in the drawings).

The front rear part 5 of the boiler is open or a hole is made in it for the exit of combustion products. There are openings4 on both sides of hole З, which serve to access air into the boiler. An inlet pipe and an outlet pipe2 are led out to the side wall of the boiler, to which hoses (not shown) are connected, connected to the engine coolant system. Other junctions of pipes 1 and 2 are connected to the inlet and outlet ends of the tank 6 for heating the coolant.

The upper part of the boiler can be open, but it can be covered with a screw (not shown in the drawings), which depends on the design of the engine on the car. The tank 6 for heating the coolant is made from a pipe bent in the form of a coil, and the pipes making up the coil cross the boiler, passing from one side wall to the other, and thus the tank 6, starting from the inlet pipe 1, is zigzag

passes along the entire length of the boiler 7 to the outlet pipe 2, filling itself with the internal volume

boiler 7.

Pre-heater ICE works as follows.

When installing the KAMAZ type on cars, boiler 7 without an upper hinge is mounted on

ICE crankcase so that the upper part of the boiler 7 is adjacent to the lower surface

crankcase, and between the rear end part of the boiler 7 and the protruding part of the crankcase

When installing on the cars the gazelle gazelle boiler 7, closed with an upper hinge,

It is mounted under the traverse of the car frame on which the engine is mounted.

With its rear part 5, the boiler 7 approaches the protruding part of the engine crankcase, so that

there was a gap between it and the rear end part of the boiler 7.

Nshangs connected to the system are connected to the input 1 and output 2 pipes

engine coolant, i.e. connect the heater to the cooling system

engine in a small circle.

After that, light the burner, insert it into the hole 3 of the boiler 7 and fix it there.

As a torch, a conventional blowtorch can be used.

Heat from the burner heats the liquid in the tank 6, while under the influence of natural

circulation in automobiles of the KamAZ, MAZ type and under the influence of forced circulation

in cars of the type "GAZelle provided by the electric pump cooling system

engine, cold fluid from the engine flows to the inlet pipe 1, and the heated fluid

through the outlet pipe 2 passes into the engine cooling system and heats it, preparing for

The thermal energy from the combustion of Toshiv in the burner of the boiler 7, in addition to heating the liquid in the tank

6, also heats the oil in the crankcase. When installing a heater on cars

type KAMAZ the upper surface of the combustion chamber of the boiler 7 is in direct contact

with the lower surface of the crankcase, and when installing it on vehicles of the type

"GAZelle combustion products coming out of the rear part 5 of the boiler 7, are in contact with

the protruding part of the ICE crankcase and heat the oil in it.

The proposed heater is very simple, reliable and economical to use.

Sources of information

1 Application for the invention of the Russian Federation No. 9103932,

Kl. F02 # 17 04, published on December 20, 2000

Claims (1)

A pre-heater for an internal combustion engine, comprising a boiler with a burner connected to it and an internal tank for heating the coolant, inlet and outlet pipes connecting the tank for heating the coolant with the engine coolant system, characterized in that the tank for heating the coolant is made in the form a coil made of pipes transversely crossing the boiler and passing along its entire length, while the hole for connecting the burner is made in the front front of the boiler, and the product Combustion exits from its end rear.