Method for pre-launch preparing moving objects in low temperature conditions

FIELD: machine engineering.

SUBSTANCE: method for pre-launch preparing the moving objects at low temperature conditions, based on the centralized heat energy supply to the heating elements of the moving objects in the parking lot. The parking lot number, the moving object type and the its departure time from the parking lot are specified after setting a moving object to the parking lot, the ambient temperature and the heating element temperature with the highest heat capacity are measured, the heating start time is defined, and heat energy is supplied to the heating elements, when reaching the current heating start time, and heat energy supply is stopped, when the heating element reaches the working temperature.

EFFECT: increasing the preparation manufacturability of the moving objects at low temperatures and reducing the heat energy costs.

1 dwg

 



 

Same patents:

FIELD: power industry.

SUBSTANCE: invention can be used in pre-starting and auxiliary heat power plants of vehicles for simultaneous generation of heat and the electric power. Pre-starting heat power plant for vehicles contains an internal combustion engine (1), an electric generator (2), a waste heat exchanger (3) utilising the heat of exhaust gases, a mixing device (4) with an electric heater, a liquid pump (8) with the electric drive, a check valve (5) and hydraulic lines (9), (10), (11) with heat carrier. The plant is also contains the oil pump (15) with the electric drive, the recuperative heat exchanger (18) for heating of engine oil and the oil line which is built in the oil pan with the nozzles directed towards necks of the cranked shaft and towards the oil pump of the internal combustion engine, oil hydraulic lines. The recuperative heat exchanger (18) of heating of engine oil according to the series hydraulic circuit is connected by hydraulic lines of the heat carrier to the mixing device (4) with the electric heater. The oil pump (15) with the electric drive through oil hydraulic lines supplies engine oil to the recuperative heat exchanger (18) for heating of engine oil after which heated engine oil is supplied into the oil line which is built in the oil pan with the nozzles directed towards the necks of the cranked shaft and towards the oil pump of the internal combustion engine.

EFFECT: design simplification and reduction of dimensions.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. The invention proposes an electric heater of diesel oil or motor oil, which includes the following: outer casing (2), heating rods (1) and temperature control (3). Each of the heating rods (1) includes an electrode part, a heating part and a cover of the external coating, as well as it is connected to a mounting end of temperature control (3) by means of the electrode part and rigidly attached to outer casing (2) with one of its ends. Temperature control (3) is arranged inside outer casing (2); cavities of outer casing (2) are filled with a liquid sealant, and hole (5) is arranged on outer casing (2) for fixation of the heater in a set position.

EFFECT: heater has a low price; it is composed in the form of a structure; it is safe, reliable and serviceable.

6 cl, 6 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed heater comprises housing with coolant feed and discharge channels and cover tightly coupled with said housing, tubular electrical heater secured therein and motor-drive rotary pump Impeller is fitted on pump rotor shaft inside aforesaid housing Note here that said rotary pump is provided with jacket fitted in heater housing with secured by its one end in the latter in inlet channel zone Its opposite end is secured at housing cover in the area of rotor shaft with impeller exit so that said impeller is located inside aforesaid jacket Note here that said jacket in impeller zone has openings to communicate the jacket inside with heater housing inside Motor rotor is enclosed in cup-like case closed by cup cover on cover outer side and secured at cover inner side Note here that rotor shaft section with impeller fitted thereon extends through cup cover and heater housing cover inside the housing Tubular heater is composed of helical coil arranged around said jacket above its openings and secured at heater housing cover Coolant feed channel, pump jacket and rotor shaft with impeller are aligned.

EFFECT: higher efficiency, electric power saving.

11 cl, 5 dwg

FIELD: heating.

SUBSTANCE: invention claims autonomous device for diesel fuel heating in fuel tank 16, including heat exchanger 1 and heat carrier feed and control system 2. System 2 includes trolley 3 with gas heater 4 for heat carrier, pump 5, accumulator 6, control device 7 and gas cylinder 8 mounted on the trolley, heat exchanger is made in the form of rigid spiral tube mounted on handle 10 by a joint and connected to heater 4 with a flexible hose. Electric pump for heated diesel fuel stirring is installed inside spiral tube of the heat exchanger.

EFFECT: enhanced efficiency of diesel fuel heating in the whole volume of fuel tank.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: measured ambient air and coolant temperatures are used to define air heater operating interval to correct it by fuel mix temperature in combustion chamber at compression stroke end while fuel in nozzle is heated to maximum possible value. After engine start, fuel heating intensity is decreased while nozzle operating heat conditions are kept up with the help of thermal pickup built in the nozzle, heater and control unit and maintained at said level during the entire cycle of post-starting interval with allowance for engine heat conditions and ambient air temperature. Inlet fuel and air controlled heating subject to engine and ambient air temperature allows maintenance of optimum temperature of combustion mix in the engine combustion chamber at whatever operating conditions.

EFFECT: decreased time and power consumption by diesel preparation for starting.

3 dwg

Fuel heater // 2535431

FIELD: machine building.

SUBSTANCE: electric fuel heater comprising body in form of the bolt with cavity in its rod, input and output holes, agitator, ceramic heating element, nickel-chromium spiral connected in series with the ceramic heating element, and casing. The internal cavity of the fuel heater body is made with spiral groove. The fuel agitator installed in the internal cavity of the body is in form of the bolt containing guide part and agitating element in form of the ellipse with spiral groove direct opposite to the spiral groove of the body.

EFFECT: higher efficiency of heat transfer.

1 dwg

Ice liquid heater // 2535291

FIELD: engines and pumps.

SUBSTANCE: heater comprises ICE, electrical generator, heat exchange offgas heat recovery unit, offgas main line, fluid lines, electrically drive fluid pump, check valve and tank with electric heater. In compliance with this invention incorporates extra recuperative heat exchanger for cooling of coolant with electrically driven blower and three-way valves with servo drive. Note here that fluid electrically driven pump is communicated via coolant fluid lines with ICE cooling system. Said system accommodates the tank with electric heater and heat exchanger-offgas heat recovery unit. Said heat exchanger is connected via fluid line with the first three-way valve with servo drive. The latter is arranged downstream of check valve in fluid line feeding coolant from ICE to carrier heater radiator lines and those of aforesaid recuperative heat exchanger. Second three-way salve with servo drive is arranged upstream of electrically driven fluid pump to communicate coolant feed and discharge lines with carrier ICE. Besides, ICE exhaust gases are fed via offgas main line to recuperative heat exchanger.

EFFECT: higher efficiency of pre-starting heating, higher thermal efficiency, decreased overall dimensions.

1 dwg

FIELD: transport.

SUBSTANCE: engine prestart heating is performed by natural gas feed into prestart heater combustion chamber to heat carrier engine coolant by natural gas combustion heat. Natural gas is fed from low-pressure main line via distribution gas line and gas hose into prestart heater combustion chamber. Prestart heater control system power supply and that of actuators related therewith is performed by connection to power supply located outside the carrier.

EFFECT: higher reliability and efficiency at long stops.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: system to maintain availability for start-up of an internal combustion engine (7) of a diesel locomotive comprises a standard system (4) for cooling of an internal combustion engine (7), a liquid heater (1), connected to the main manifold of the standard cooling system (4), a standard fuel system (18) of an internal combustion engine with a standard fuel tank (23) and a standard injecting fuel pump (19), an additional fuel tank (20), equipped with an overflow pipeline (21), a drain pipeline (22) with a tap and a pipeline connecting the additional fuel tank (20) with the liquid heater (1). There is an additional fuel pump (17), installed in the standard fuel system (18) in parallel to the standard injecting fuel pump (19), an additional oil pump (11), connected in parallel to the standard injecting oil pump (43), a device (15) for booster charge of an accumulator battery (16) of a diesel locomotive, maintaining it in the condition of availability for start-up of the internal combustion engine, and cooling coolant temperature sensors (13) for control of system operation, connected into the pipeline (46) with the lowest coolant temperature in the cooling system of the internal combustion engine. The additional fuel tank (20) of the system is connected into the drain pipeline of the standard fuel system (18) for provision of its reliable filling with diesel fuel. Additional circulating water pumps (30) are installed on inlet pipelines of standard liquid heaters (28) of air in driver's cabins (29) for provision of conditions in them for start-up of the internal combustion engine (7). Supply of the liquid heater (1), circulating electric motors (8), oil (11) and fuel pumps (17), a device (15) for booster charge of the diesel locomotive accumulator battery (16) and elements of the control system (47) is arranged via a separate cabinet (48) of electric equipment from the external source of energy.

EFFECT: increased reliability of system operation and increased time for engine standing idle in cold time of the year as continuously available for start-up.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed method consists in gas feed into cylinders and cylinder antechamber, spark ignition of gas in antechambers, and feed of gas combustion product from antechamber into combustion chambers of engine cylinders. At starting gas engine at crankshaft cranking by starter to stable idling rpm, gas is forced into engine cylinder antechamber and/or gas engine cylinders, gas volumetric combustion heat exceeding that of natural bas by some 1.5-2 times and higher. At starting the gas engine, fuel gas can be fed into some cylinders of multicylinder gas engine.

EFFECT: higher reliability of starting and accelerated starting.

2 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed method comprises heating the support bearing liner work surface layer and differs from known designs in that, to allow time and power savings, electric current is, first, passed through electric heaters built in under layer of every liner. Then liner electric heater power supply is cut off and, at the time, starting torque is applied. Invention comprises formula to determine time τ (s) of passing electric current through liner electric heater. Proposed device comprises metal layer of electric heater structure that is isolated all around by inorganic dielectric material laid under metal surface layer of every lines. Note that pair of faces of consecutively arranged liners are interconnected by common layer of electric heater metal. Note also that one of the liners comprises pin- or tape-type outer electric contact electrically connected with electric heater structure beginning, while the other liner has its electric heater end connected via inner pin terminal with liner metal base. At the same time, to use electric heater with different power in support plain bearing liner, every liner is furnished with inner pin and outer pin or tape terminals connected with liner electric heater beginning and end, respectively. Note that, to allow electric independence of electric heater of liner metal base, the liner is furnished with two pin or tape terminals electrically connected with electric heater structure beginning and end, respectively. Note also that work surface layer of such liner if provided with outer electrically insulated terminals connected with said layer. Invention covers a device design version.

EFFECT: higher time and power savings in starting cold engine.

6 cl, 12 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building, particularly to prestart warm-up device and method of its operation. Proposed device consists of starting system, converter, heat exchanger and control system. Converter accommodates catalyst for fuel air conversion. Fuel air conversion products pass through heat exchanger to warm heat carrier circulating through heat exchanger. Proposed method consists in that catalyst is built in converter to allow air conversion of fuel. Fuel air conversion products pass through heat exchanger to warm heat carrier circulating through heat exchanger.

EFFECT: expanded performances due to use of prestart warm-up device.

24 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed method consists in cranking diesel engine crankshaft by external power source and feeding fuel in its cylinder. In compliance with this invention, with engine reaching its starting rpm, high-pressure pump is brought into engagement with crankshaft with gear ratio of 1:1 to allow feeding fuel two times in one cycle, i.e. at the end of compression stroke and at the of exhaust stroke, while with engine crankshaft reaching minimum stable rpm, high-pressure pump is brought into engagement with crankshaft with gear ration of 1:2 to provide standard fuel feeding conditions.

EFFECT: higher reliability of fuel ignition, reduced starting preparation period and starting crankshaft rpm, no power used for prestart warm-up.

FIELD: engines and pumps.

SUBSTANCE: device includes hollow tray with slots and branch pipe; along the perimetre of hollow tray there located is seal made in the form of inflatable casing; hollow tray is equipped with parallelogram mechanism consisting of lower horizontal beams and upper horizontal beams which are parallel and hinged to lower horizontal beam, stock hinged to bracket.

EFFECT: easier installation of the device.

3 dwg

Pre-heating device // 2418976

FIELD: engines and pumps.

SUBSTANCE: to pre-heat system containing air pipeline with branch pipes, heater and air supply fan there added is the hood fixed on "П"-shaped arches which are attached near the base by means of plate to slot-sector, as well as side curtains fixed on sides of the hood and equipped with restraining belts.

EFFECT: higher heat carrier efficiency.

2 dwg

FIELD: engines and pumps.

SUBSTANCE: in internal combustion engine starting system containing cooling system of internal combustion engine, liquid heater connected to the main line of standard cooling system, heat carrier temperature sensors, standard fuel system of internal combustion engine with standard fuel tank and booster fuel pump, additional oil pump, independent electric power supply, the latter is made in the form of diesel generator unit with charging device of starter accumulator battery of locomotive, internal combustion engine starting system is equipped with additional fuel tank provided with overflow pipeline connected through drain pipeline to standard fuel tank, pipeline with valve and throttle connecting the additional fuel tank to delivery fuel pipeline, standard fuel system, pipeline with valve connecting the additional fuel tank to pipeline of diesel generator unit, pipeline with valve and pipeline connecting the additional fuel tank with liquid heater to standard fuel system parallel to booster fuel pump there installed is additional fuel pump, additional oil pump is connected parallel to standard purge oil pump, heat carrier temperature sensors for control of operation of the system are connected to pipeline with the lowest heat carrier temperature of cooling system of internal combustion engine in operating mode of internal combustion engine starting system; besides, liquid heater connected to additional fuel tank through pipeline with a valve is installed in driver's cabin.

EFFECT: increasing downtime of inoperative engine during cold seasons of the year in constant readiness for startup; thus, operating life of internal combustion engine is maintained and its operating reliability is improved.

2 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: heat accumulators are used for pre-starting heating power systems of building machine at period of inter-shift down-time in winter. Heat accumulating material contains 2-3 g of edible gelatine, 2-3 g of sodium chloride and 1-2 g of sodium hydroxide per 100 g of over saturated solution of three-water sodium acetate.

EFFECT: improved operational characteristics of heat accumulating material such as temperature of reaction, temperature of self-crystallisation and temperature of phase transition.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: invention refers to devices for heating and maintenance of start-up temperature of internal combustion engine (ICE). Heat accumulator for maintaining the start-up temperature of ICE of construction machine during inter-shift downtime represents the cover fixed on jacket and tray of the engine. Cover consists of the first, the second and the third layers. The first layer represents material from strong reinforcing grid of polyester fibres with fixed cells, and layer of plasticised polyvinylchloride. The second layer is made on the basis of foamed polyethylene coated with aluminium foil. The third layer represents separate sections filled with phase-transition heat-accumulating material; at that, the above sections are located in three rows so that the first and the second row is located along ICE jacket with left and right side, and the third row of sections is located along oil pan of ICE. Sections with heat-accumulating material are attached to the second layer in order to exclude the possibility of movement of sections during ICE operation.

EFFECT: effective maintenance of start-up temperature of internal combustion engine during inter-shift downtime of construction machine.

4 dwg

FIELD: engines and pumps.

SUBSTANCE: pre-startup heater of engine, independent heating, generation of hydrogen-bearing gas consists of starting system, converter, heat exchanger and control system. Catalyst element is installed in converter and allows performing steam-air or air-carbon-dioxide, or steam-air-carbon-dioxide fuel conversion the products of which pass through heat exchanger and heating of heat carrier circulating through the heat exchanger is performed. Operating method of the above device is described as well; it consists in the fact that catalyst element is installed in converter and allows performing steam-air or air-carbon-dioxide, or steam-air-carbon-dioxide fuel conversion.

EFFECT: possibility of pre-startup heating of internal combustion engine and obtaining synthesis gas.

25 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: method involves hydrogen obtaining in electrolysis unit aboard the transport vehicle and the system that supplies hydrogen to the engine. At that, hydrogen is supplied in the required amount and as per the specified algorithm, depending on the cooling liquid temperature. Cold start-up and warm-up system includes electrolysis unit, pipelines, sensors, electric valves and control unit. Hydrogen and oxygen is obtained separately in the electrolysis unit. Hydrogen is supplied through receiver, electric valve and jet nozzle to ICE inlet pipeline. Oxygen is removed to the atmosphere. Supply of gaseous hydrogen to ICE inlet pipe at cold start-up and warm-up of the engine contributes to stable combustion of fuel-air mixture with higher degree of completeness at low concentration of toxic substances in waste gases.

EFFECT: reducing toxicity level of waste gases at cold start-up and warm-up of internal combustion engine with electronic control system and catalytic neutraliser.

2 cl, 3 dwg

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