Housing of blower housing, in particular, of combustion air blower for vehicle starting preheater
FIELD: engines and pumps.
SUBSTANCE: housing of a blower, in particular, of a combustion air blower for vehicle starting preheater comprises the first part (14) with open on one axial side supply channel annularly passing around the axis (A) of the housing and the second part (16) for mounting electric motor (20) of the blower. The part (16) of the housing comprises a wall (18) elongated in the direction of its axis (A), which surrounds the chamber for the electric motor mounting. Connecting zone (26) for creating electric connection to the control unit (38) is provided in the longitudinal central portion of the housing wall (18) in the direction of its axis (A) on the outer side of the wall (18).
EFFECT: positioning flexibility during installation is ensured.
10 cl, 4 dwg
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.
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
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.
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.
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.
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.
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.
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.
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
SUBSTANCE: air heating device includes a housing with air flow inlet and outlet and a heating assembly and a centrifugal fan, which are arranged in it. The heating assembly includes a shell and sections of spiral elements enclosed in it, which are electrically connected in series and fixed with their ends on screws that tighten insulators. Insulators are located on axially extended supporting plates that are formed as an internal assembly in the form of a polyhedron, which is attached to the shell. A centrifugal fan is placed to the outlet wall of the housing, installed after the heating assembly and has a casing in the form of a snail. The outlet opening of the casing corresponds to the outlet opening of the housing. The inlet opening of the centrifugal fan is a confuser and corresponds to the outlet opening of the shell of the heating assembly. The device can contain hollow flattened ring-shaped holders that are located coaxially to the shell of the heating assembly inside it. The ring-shaped holders are located at some distance from each other to opposite ends of the heating assembly and form along with the axially extended supporting plates an internal assembly of heating assembly 6, which is attached to its shell. The axially extended supporting plates are equally spaced on the ring-shaped holders in azimuthal direction.
EFFECT: enlarging functional capabilities of an air heating device with maintenance of an inertia-free and compact device.
10 cl, 6 dwg, 2 ex
SUBSTANCE: invention relates to vehicle, in particular to rail vehicle. The vehicle includes water supply installation for consumers (4, 5) and cooling installation (1) which has drain pipeline for interception of water which appears during cooling installation (1) operation. Drain pipeline of cooling installation (1) is connected with at least one water consumer (4, 5). In the drain pipeline of cooling installation (1), intermediate reservoir (2) is integrated which reservoir serves to collect condensed water and which is connected via pipeline to reservoir (3) with water reserve for water supply installation which reservoir is connected via additional pipeline with at least one consumer (4, 5).
EFFECT: reduced water consumption.
6 cl, 7 dwg
SUBSTANCE: invention relates to bidirectional cable linkage to be used in vehicle air-conditioning unit. Control means for air-conditioning unit include double bidirectional cable linkage made of two parts - shell or fixed part in the form of outer tube and inner tube, and moving cables. Moving cables are made capable to transfer movement from control handle to flap-positioning mechanism via double cable. The linkage is attached to body and to control panel using quick-release connection.
EFFECT: simplified linkage design.
12 cl, 14 dwg
SUBSTANCE: invention relates to coolers for transport facilities. Carrier is equipped with at least one component (K) blown with rated mass flow of cooling air by at least one blower (L) or spoiler. Said rated mass flow of cooling air allows sufficient cooling of said component (K) for accepted maximum heat load. Cooling air mass flow force control device (S) allows for heat demands of component (K) in at least one upper speed range and calculates said cooling air mass flow so that the sum of power consumed by said component (K), said blower and portion of vehicle traction power consumed for cooling air blowing is lower than the sum the sum of power consumed by said component (K), said blower and preset rated portion of vehicle traction power consumed for cooling air mass flow blowing.
EFFECT: decreased power consumption for cooling and heating purposes.
23 cl, 3 dwg
SUBSTANCE: vehicle includes cabin unit (3) tilted relative to vehicle frame (2) between lowered state and raised state, the first circuit (10) located on vehicle frame for circulation of the first substance, the second circuit (20) located in cabin unit for circulation of the second substance, and heat-transfer arrangement (4) for heat exchange between the mentioned substances. The heat-transfer arrangement includes the first heat-transfer unit (11) installed on vehicle frame and included into the first circuit to provide flow of the first substance through it and the second heat-transfer unit (21) installed in cabin unit and included into the second circuit to provide flow of the second substance through it. These heat-transfer units (11, 21) are in mutual heat-transfer contact when cabin unit is in lowered state and are separated from each other when cabin unit is in raised state.
EFFECT: decreased wear and tear of hoses passing between cabin unit and vehicle frame during vehicle operation.
14 cl, 7 dwg
SUBSTANCE: invention relates to method and device for passenger car temperature (Thab) control (Thab) by means of initializing at start an expected temperature (T^ hab) of passenger compartment by the temperature(Tinit) predetermined by time period of prestart stop in order to produce adjustable heating power (Preg) which decreases a discrepancy between preset temperature (T*hab) and expected temperature (T^ hab).
EFFECT: better temperature control of passenger compartment.
7 cl, 3 dwg
SUBSTANCE: device includes cooling circuit (12a-f) with a circulating cooling carrier, circulating devices (13) suitable for circulation of the cooling carrier in cooling circuit (12a-f) in cooling zone (A), where the cooling carrier is intended for cooling of storage battery (8). The cooling device includes container (10) with closed inner space (11), storage battery (8) and cooling circuit (12a-f) with a circulating cooling carrier located in closed space (11), and container (10) includes heat release zone (B), where the cooling carrier is intended to release heat to ambient air.
EFFECT: improved cooling of a storage battery with reduction of energy consumption.
9 cl, 3 dwg
SUBSTANCE: method is proposed to control air conditioning system for motor vehicle. The method includes providing compressor control in such a manner that desired evaporator temperature could be achieved. The method includes the phase in which amplification parameter and reset parameter is selected according to ambient temperature to be used in proportional-integral calculations.
EFFECT: development of method to control air conditioning system for motor vehicle.
20 cl, 12 dwg
SUBSTANCE: invention relates to devices for air conditioning. Thermoelectric conditioner comprises thermoelectric modules, cold and hot radiators. Cold radiators are divided by heat insulating walls into segments that are connected in series. Channels for air flows in a process circuit are connected to each other in parallel.
EFFECT: invention provides for low temperatures at the outlet compared to a traditional circuit of air flow movement, reduced weight and dimensions of a conditioner.
5 cl, 3 dwg
SUBSTANCE: passenger compartment heating is performed through windshield, rear and side windows by electromagnetic radiator, including infrared, directed toward the interior of passenger compartment to heat compartment elements.
EFFECT: higher uniformity of passenger compartment heating independent of heating device position.
FIELD: transport engineering; ventilation and air conditioning.
SUBSTANCE: proposed device contains air filter installed in air intake housing, and air duct. Air duct connects outlet hole of air intake with inlet hole of fan. Said U-shaped air duct has zone in lower point designed to separate moisture. Air filter and fan are arranged on one horizontal level.
EFFECT: simplified design, reduced overall dimensions, removal of moisture from incoming air.