RU104974U1 - ENGINE START-UP HEATER - Google Patents

Abstract

 An engine pre-heater with an electric heating element (TEN), characterized in that it contains a thermos with a built-in heating electric element TEN (12 V) and an integrated oil temperature sensor in the internal combustion engine through an electric valve with a power button.

Description

The utility model relates to mechanical engineering, and can be used in the operation of vehicles, to facilitate the launch of internal combustion engines.

Known heat accumulator [1] [RU 2052734 F24H 7/00 from 01.20.1996], containing a thermally insulated housing with inlet and outlet openings, to which are connected the inlet and outlet pipes located in the capsule body, filled with changing the state of aggregation in the operating temperature range heat storage composition and separation plates. The housing is cylindrical, and the capsules are in the form of annular disks with flat surfaces, one of which in each capsule is provided with protrusions with a predetermined location and is placed perpendicular to the axis of the housing with a gap relative to its walls and with the formation of a central channel, as well as with the direction of the protrusions in one direction and ensuring contact of the protrusions of one capsule with the flat surface of the replaceable capsule, the exhaust pipe is placed in the said Central channel, and the separation plates are installed in the gap between the housing and capsules and in the Central channel between the housing and the capsules, while the insulation of the housing is made vacuum.

A device for maintaining the temperature regime of liquids of an internal combustion engine is known. [2] [RU 2133872, F02N 17/08 of 07/27/1999]

The device comprises a pump and a reservoir, respectively connected with nozzles for withdrawing and introducing liquid into the engine and between themselves by pipelines in a closed cycle and a locking element. The tank is placed above the nozzle for introducing liquid into the engine and is made in the form of a thermos with a funnel-shaped bottom, and the locking element is installed between the thermos and the nozzle for introducing liquid into the engine. The thermos is equipped with a fixed electrical contact and a float with a movable electrical contact and a float with a movable electrical contact, and the shut-off element is made in the form of an electromagnetic valve.

The disadvantage of this technical solution is the need to heat the oil in the pan, which leads to a significant complication of operations for starting the engine, especially at low temperatures, such as opening the hood, removing the dipstick for measuring engine oil, introducing an electric heater into the holes for the dipstick and immersing it in the inner cavity of the crankcase . In addition, it requires significant battery power.

Known devices and methods for preheating ICE [3], based on the fact that the heating electric element (TEN) is mounted either in the “water jacket” of the cylinder block or in the crankcase of the ICE. An electric heater for engine oil of an internal combustion engine and electric energy is supplied to it from a 220V network or from a standard chassis battery. In this case, they usually use a software control unit and a relay that protects the engine from overheating. The disadvantage of such devices is the large heating time, an order of magnitude equal to the 3rd, -4th hours.

The objective of the proposed technical solution is to create a compact, easy to use (from one button) device that provides preliminary lubrication of internal combustion engines with heated oil, without external energy sources.

The problem is solved by conserving thermal energy in a thermos 1, with a built-in heating electric element TEN 2 and a built-in temperature sensor 3 connected to the oil pressure sensor 6 in the internal combustion engine through an electric valve 5 with a button for turning on valve 4.

Figure 1 shows a diagram explaining the implementation of this device prestarting internal combustion engine. The device contains a thermos 1 with an integrated heating element TEN 2 and an integrated temperature sensor 3 connected to an oil pressure sensor 6 in the internal combustion engine through an electrovalve 5 with a button for turning on valve 4.

Engine Preheater Operation

When the engine is started, press button 4 to turn on valve 5, the oil under pressure passes into a thermos 1 through the oil pressure sensor 6 using the solenoid valve 5, the line is shut off, the engine is shut off, the oil pressure in the engine drops to zero, and in the thermos the oil remains under pressure due to the compressed the air. The amount of oil received in a thermos is about 30% of the total engine oil. Before starting the engine, the electrovalve 5 opens and hot oil under pressure from the thermos returns to the engine providing preliminary lubrication of the engine with warm oil. The result is easy engine starting in all weather conditions. Using the temperature sensor 3, we check the temperature of the oil in the thermos. In the case of low oil temperature in thermos 1, we can raise the temperature using the built-in electric element TENA 2 (12v) from the battery.

The advantages of the proposed technical solution in comparison with the prototype and analogues is a significant simplification of the design, reducing the heating time by an order of magnitude, the simplicity of the device, the minimum financial cost.

Information sources:

1. RU 2052734 A24H 7/00 dated 01/20/1996

2. RU 2133872 F02N 17/08 from 07/27/1999

3. RF 2088767 F02N 17/00 from 04/12/1997 (prototype)

Claims (1)

An engine pre-heater with an electric heating element (TEN), characterized in that it contains a thermos with a built-in heating electric element TEN (12 V) and a built-in oil temperature sensor in the internal combustion engine through an electric valve with a power button.