518results about "Lubrication temperature control" patented technology

An engine and a vehicle comprising same. The engine comprises a main cylinder body (10), end covers (30), a timing cover (50), and an oil pan (60), wherein a left cylinder body (101) and a right cylinder body (102) of the main cylinder body are arranged in the left-right direction; the left cylinder body and the right cylinder body define a crankshaft cavity (20); the left cylinder body and the right cylinder body are each provided with a combustion chamber (11) extending in the horizontal direction; the end covers comprise a left cylinder cover (301) provided on the left side of the left cylinder body and a right cylinder cover (302) provided on the right side of the right cylinder body; the timing cover is located on one side of the main cylinder body and is fixed to at least one of the left cylinder body, the right cylinder body, the left cylinder cover and the right cylinder cover; the oil pan is arranged on the lower portion of the main cylinder body and is communicated with the crankshaft cavity.

The embodiment of the invention provides a cylinder cover assembly, a horizontally-opposed engine, a hybrid power assembly and a vehicle, the cylinder cover assembly comprises a body, an air flow channel and a cooling liquid channel are arranged in the body, and the body comprises a lower side and an upper side which are arranged in a deviating mode in the vertical direction; the airflow channel comprises an air inlet and an air outlet, the air inlet is formed in the lower side, and the air outlet is formed in the upper side; the cooling liquid channel surrounds at least part of the airflow channel and comprises a water inlet and a water outlet, the water inlet is formed in the lower side, and the water outlet is formed in the upper side. The air inlet of the airflow channel and the water inlet of the cooling liquid channel are formed in the lower side, and the exhaust port of the airflow channel and the water outlet of the cooling liquid channel are formed in the upper side, so that the influence of bubbles on cooling liquid flowing can be reduced, accumulation of the bubbles can be avoided, and the cooling effect of the cylinder cover assembly can be improved.

The invention discloses an engine, a hybrid power assembly and a vehicle, the engine comprises a component to be subjected to oil return and an oil return pump assembly, the component to be subjected to oil return is provided with a plurality of oil return areas, and at least part of the oil return areas are located at the two opposite ends of the component to be subjected to oil return; the oil return pump assembly is provided with an oil return opening, and the oil return opening is connected with the oil return areas at the two opposite ends. Therefore, at least part of the oil return areas are arranged at the two opposite ends of the component to be subjected to oil return respectively, so that the oil return pump assembly can return oil to the component to be subjected to oil return from different positions, the oil return efficiency can be improved, oil return dead angles are eliminated, the oil return pump assembly is not prone to air suction, and then the operation stability of an engine is guaranteed.

The invention discloses an oil pan, an engine, a hybrid assembly and a vehicle, relates to the technical field of engines, and is used for solving the problem that in the prior art, a communication mode of a multi-cylinder engine and a cooling liquid pipeline is not beneficial to compactness and miniaturization of the engine. The oil pan is provided with a cooling liquid channel, a liquid outlet communicated with the cooling liquid channel is formed in the oil pan, and the liquid outlet is used for being communicated with a machine body.

The invention discloses an engine, a hybrid power assembly and a vehicle, relates to the technical field of vehicles, and aims to solve the problem of non-uniform cooling of the engine. The engine comprises a first cylinder body, a second cylinder body, a first cylinder cover and a second cylinder cover. The first cylinder body and the second cylinder body are connected with each other and define a crankshaft cavity. The first cylinder cover is arranged on the side, away from the second cylinder body, of the first cylinder body, and the second cylinder body is arranged on the side, away from the first cylinder body, of the second cylinder body. The first cylinder body is provided with a first cylinder body cooling flow path, the first cylinder cover is provided with a first cylinder cover cooling flow path, the first cylinder body is provided with a first liquid inlet, the first cylinder body flow path comprises a first transition cavity and a first flow channel arranged in a cylinder hole of the first cylinder body, the first liquid inlet is communicated with the first transition cavity, and the first transition cavity is communicated with the first flow channel. The first cylinder cover is provided with a first cylinder cover cooling flow path, the first cylinder cover flow path is provided with a first liquid inlet, and the first liquid inlet communicates with the first transition cavity.

A system includes a heater configured to heat a fluid of a lubricant system, a controller coupled to the heater, the controller including at least one processor coupled to at least one memory device storing instructions that, when executed by the at least one processor, cause the controller to perform operations including: receiving information regarding an engine operating parameter of an engine, receiving information regarding an operating parameter of the lubricant system, and activating the heater responsive to determining that at least one of the engine operating parameter or the operating parameter of the lubricant system is at or below a predefined threshold.

The invention discloses an engine oil temperature control lubricating system for a hybrid electric vehicle, and belongs to the field of engine lubricating systems. Comprising a main oil duct, an engine oil pan, an engine oil pump and an oil duct pipe set, the engine oil pan is used for storing engine oil, the engine oil pump is used for pumping the engine oil in the engine oil pan, and the oil duct pipe set communicates with the engine oil pump and the main oil duct and comprises a first oil duct and a second oil duct which are arranged in parallel; the heater is opened to heat engine oil flowing through the first oil duct when the engine oil temperature is lower than a second preset temperature, and is closed when the engine oil temperature is higher than or equal to the second preset temperature; and the second oil duct comprises a second temperature control valve, and the second temperature control valve is opened when the temperature of the engine oil is larger than or equal to the second preset temperature, so that the engine oil further flows into the main oil duct through the second oil duct. When the engine of the hybrid electric vehicle is in cold start, the temperature of the engine oil can be rapidly increased through the heating piece, so that abnormal sound and abrasion of the engine when the temperature of the engine oil is too low can be well improved.

The invention discloses a control system and method for an electronic oil pump, and relates to the technical field of electronic oil pump control. The system comprises a database, a positioning module, a damping regulation and control module, a double-tube coordination module and an oscillation monitoring module, through the synergistic effect, cross unstable intervals are recognized and avoided, damping and flow path switching are dynamically adjusted, and real-time monitoring and graded early warning are conducted, so that when the electronic oil pump is in the low-flow working condition or the engine pre-lubrication boundary state, the flow path switching is dynamically adjusted; the problems of pressure oscillation, discontinuous oil film thickness, unsmooth hydraulic execution and the like caused by impedance matching imbalance between a pump characteristic curve and a pipeline can be effectively avoided; therefore, the technical problem that in the prior art, an electronic oil pump is prone to oscillation under the boundary working condition is thoroughly solved, and the stability and reliability of the system are greatly improved.

The invention discloses a method for starting engineering equipment, a processor and a machine readable storage medium, and the method comprises the steps: obtaining the initial rotating speed of an engine when the environment where the engineering equipment starts to run is a low-temperature environment; if the initial rotating speed is equal to the preset rotating speed, acquiring a current voltage value of a storage battery of the engineering equipment; if the current voltage value is larger than the preset minimum voltage value, the current electric quantity state of the storage battery is determined according to the current voltage value, a preheating strategy corresponding to the current electric quantity state is executed on multiple to-be-heated objects, and the multiple to-be-heated objects comprise the storage battery, hydraulic oil, cooling liquid, fuel oil and engine oil; after the preheating strategy is executed, air inlet preheating operation is executed on the engine; and after the air inlet preheating operation is completed, an engine of the engineering equipment is started. Different preheating schemes can be executed according to different electric quantities, so that the engineering equipment is successfully started in a low-temperature environment on the premise of ensuring the safety of the electric quantities, and the low-temperature adaptability of the engineering equipment is improved.

A system includes a heater for heating a fluid of a lubrication system, a controller coupled with the heater, the controller including at least one processor coupled with at least one memory device, the memory device storing instructions that when executed by the at least one processor, the at least one processor is configured to heat the fluid of the lubrication system. The controller is caused to receive information of an engine operating parameter, receive information about a lubrication system operating parameter, and activate the heater when it is determined that at least one of the engine operating parameter or the lubrication system operating parameter is at or below a predetermined threshold.

The heat management system comprises an engine heat circulation loop flowing through an engine, a passenger cabin heat circulation loop flowing through a passenger cabin air outlet structure and a heat pump loop, and the heat pump loop exchanges heat with a first heat exchange flow path of the engine heat circulation loop. The temperature of engine cooling liquid is increased, the whole engine is heated, fuel oil is fully vaporized in the starting process of the engine, and lubricating oil is liquefied evenly. When a passenger cabin needs to be heated, the heat pump loop exchanges heat with the passenger cabin heat circulation loop through the inner cooler, and the engine heat circulation loop can exchange heat with the passenger cabin heat circulation loop through the second heat exchange flow path, so that waste heat generated when an engine works is reasonably utilized, and energy consumption of an automobile with the heat management system is reduced.

The present disclosure provides an engine oil cooling structure of an engine. In the engine oil cooling structure of an engine, the engine includes a crankcase, the crankcase is provided with an oil filter mounting chamber having a cylindrical shape, the cooling structure includes a water channel, a water inlet of the water channel communicates with a water pump, the crankcase is further provided with a main oil channel, the crankcase is further provided with a heat conducting thin wall, an inner cavity of the heat conducting thin wall form the oil filter mounting chamber, the oil filter mounting chamber communicates with the main oil channel, the water channel is arranged around an outer side wall of the heat conducting thin wall, and a water outlet of the water channel communicates with a cooling water channel arranged in the same direction as and adjacent to the main oil channel.

An internal pressurized lubrication system of a radial support bearing assembly includes oil passages within a bearing housing that comprise a charge-retaining section bounded by vertical or upward-sloping passages and configured to retain an oil charge therein during a shutdown. A vent bleeds air into the suction side of the passages during a shutdown, thereby preventing syphoning of the oil charge from the charge-retaining section. In embodiments, a rear cover plug is doubly sealed to the bearing housing body, and air is substantially unable to enter the oil passages via the bearing or via the vent during a shutdown, such that the passages remain oil-filled and the pump prime is retained for an extended time period. The bearing assembly can further include a thrust bearing, and / or an axial displacement measurement probe parallel with the shaft-driven oil pump. The radial support bearing can be a journal bearing.

The application discloses a system and method for processing virtual development bench hardware-in-the-loop heat dissipation, and is used for improving a hardware-in-the-loop running environment. The system comprises a flat plate heat exchange module, a fan module, an oil inlet pipeline, a fan control module, a hardware-in-the-loop cabinet, an oil outlet pipeline, an oil quantity measurement unit, an oil sprayer, a cooling oil tank, a temperature sensor, a cooling tank connecting pipeline and an oil circulation pump. The flat plate heat exchange module is connected with the oil inlet pipeline, the cooling tank connecting pipeline, the cooling oil tank and the oil outlet pipeline in sequence. The flat plate heat exchange module is provided with the fan module on one side, the fan module is connected with the fan control module, the hardware-in-the-loop cabinet is connected with the fan control module, the temperature sensor and the oil circulation pump, the temperature sensor is arranged on the cooling tank connecting pipeline and the sensing head of the temperature sensor is immersed in the oil medium, the oil circulation pump is installed at the connecting port of the cooling tank connecting pipeline and the oil inlet pipeline, and the oil quantity measurement unit and the oil sprayer are both installed on the cooling oil tank and the heads of the oil quantity measurement unit and the oil sprayer are both immersed in the oil medium to a preset depth.

The invention provides an engine lubrication control method, an engine and a vehicle, and relates to the technical field of engines, and the control method comprises the steps that the accumulated stop time length of the engine is obtained, and whether the accumulated stop time length of the engine exceeds the preset time length or not is judged; in response to the fact that the accumulated shutdown duration of the engine exceeds the preset duration and the engine has a starting requirement, the engine is started, and the engine is pre-lubricated when the engine is in a starting state and is in a power disconnection state with a transmission device; according to the control method, the engine can be pre-lubricated at a low speed, and friction damage to the engine is avoided.

A control device (DC) equips a vehicle (V) comprising an electric drive machine (MME) supplied with lubricating oil by a first circuit (C1) connected to a lubricating oil / heat transfer fluid exchanger (EC), and an inverter (OM) electrically supplying the drive machine (MME) and cooled by the heat transfer fluid before it reaches the exchanger (EC) via an intermediate part (PI1) of a second circuit (C2). This device (DC) includes a valve (VC) comprising an inlet (EV) and a first outlet (SV1) connected to two sub-parts (SP1, SP2) of this intermediate part (PI), and a second outlet (SV2) connected to a bypass conduit (CC) connected to the second circuit (C2) downstream of the heat exchanger (EC). The heat transfer fluid is diverted to the first (SV1) or second (SV2) outlet when a first representative value of the lubricating oil temperature is above or below a chosen threshold. Figure 1

The utility model discloses an automobile engine oil cooler shell structure capable of preventing oil leakage, which relates to the technical field of engine oil cooler shells and comprises an engine oil cooler shell, and one side of the top of the engine oil cooler shell is fixedly connected with an oil inlet pipe. By arranging the limiting assembly, the first fixing plate can be pressed downwards, the first fixing plate can drive the movable block to slide in the supporting sleeve through the movable rod, and when the movable block makes contact with the limiting block, the limiting rod can be pushed, so that the limiting rod is inserted into a limiting groove formed in the side face of the supporting sleeve; the first fixing plate limits and fixes the position of the threaded sleeve, and the phenomena that vibration generated when an automobile engine works easily enables the threaded sleeve to loosen, the sealing performance of the threaded sleeve is reduced, and oil leakage happens to the connecting position of the engine oil cooler and the automobile engine oil connecting pipe for a long time are avoided; therefore, convenience is brought to the use of the automobile engine oil cooler.

The utility model discloses a limiting structure for a water pipe of an oil cooler of a motorcycle engine, and aims to solve the problem that in the prior art, the water pipe of the oil cooler is fixed through a wire clamp, and the wire clamp is easy to age and fall off after being used for a long time. According to the technical scheme, the crankcase fixing structure comprises a crankcase, a fixing structure is arranged on the crankcase and comprises a fixing rod, one end of the fixing rod is fixedly connected with the crankcase, and the other end of the fixing rod is connected with an engine hanging point; the fixing rod and the crankcase are matched to form a fixing hole, and the oil cooler water pipe is arranged in the fixing hole in a penetrating mode. The fixing structure is matched with one engine hanging point to form the fixing hole, the oil cooler water pipe penetrates through the fixing hole, and the oil cooler water pipe is fixed through the fixing hole, so that the trouble of fixing the oil cooler water pipe through a wire clamp is omitted, and the overall structure can be more compact.

The utility model discloses an oil cooler and an oil cooling system, and relates to the technical field of oil cooling, a water cooling cavity, a first water inlet and a first water outlet are formed in the oil cooler, and the water cooling cavity is communicated with the first water inlet and the first water outlet; the oil cooler further comprises a first layer plate, the first layer plate and the outer wall of the water cooling cavity are arranged in a spaced mode, a gap is formed between the first layer plate and the outer wall of the water cooling cavity, and the gap communicates with the outside to form an oil cooling channel. The oil cooling channel is communicated with the outside, the oil cooler can be directly installed in an oil pan or other parts, oil flows into or out of the oil cooler through the gap and does not need to flow through an oil inlet pipe and an oil outlet pipe, the flowing resistance is small, the influence of the oil inlet pipe and the oil outlet pipe on the flowing efficiency of the oil is reduced, and the cooling efficiency of the oil cooler is improved.

An embodiment oil temperature control system for an electric vehicle includes a heat exchange unit that performs heat exchange between an oil for cooling a driving motor and a coolant, a temperature sensor including an oil temperature sensor or an outside air temperature sensor, a controller that receives a signal from the temperature sensor to determine whether a heat generation mode entry condition to cause a power electronic part to generate heat is satisfied and operates the power electronic part in a heat generation mode when the heat generation mode entry condition is satisfied, and a cooling system that allows the coolant used to cool the power electronic part operating in the heat generation mode to circulate through a passage penetrating the heat exchange unit so that the coolant exchanges heat with the oil in the heat exchange unit.

The invention provides a temperature control system for a lubricating oil tank and the lubricating oil tank, and relates to the technical field of temperature control of lubricating oil tanks of heavy diesel engineering vehicles. The spiral pipe is vertically fixed in the oil tank body, the bottom of the spiral pipe is close to the bottom of the oil tank body, and the top of the spiral pipe is close to the lubricating oil level in the oil tank body; the bottom end of the spiral pipe communicates with the circulating pump, a circulating oil outlet in the top end of the spiral pipe communicates with the cavity in the oil tank body, and a circulating oil inlet of the circulating pump communicates with the bottom of the cavity in the oil tank body. The electric heating elements comprise a high-power electric heating element, a medium-power electric heating element and a low-power electric heating element; the high-power electric heating element, the medium-power electric heating element and the low-power electric heating element are arranged on the spiral pipe at intervals from bottom to top; gradient heating can be achieved, the oil interlayer temperature difference is remarkably reduced, and local overheating is avoided.

The application discloses an engine oil cooler arrangement system, wherein an oil cooler is internally provided with a water channel and an oil channel, the front end of the oil cooler is provided with a water pump, a tension pulley and a thermostat seat mounting port, the thermostat seat mounting port is mounted with a thermostat seat, and an engine water inlet, a cylinder head water inlet and an oil inlet and outlet are arranged on the oil cooler in a mutually connected manner below the thermostat seat. The oil filter is arranged at a far end through a pipeline, so that the maintenance of the oil filter is facilitated; the water channel and the oil channel in the oil cooler are both extended and arranged, the flowing time of the oil in the oil cooler is prolonged under the premise of guaranteeing the fluidity of the oil, the heat exchange is uniform, and the heat of the oil is more beneficial to be taken away; the oil cooler integrates the water pump and the tension pulley, the oil filter is arranged at the far end, more operable space is provided for the outside of the engine body, and the integration and compactness are improved.

The present application relates to a kind of engine pre-oiling system and method, including main oil tank and auxiliary oil tank, main oil tank is sequentially connected with main oil passage by pipeline by oil pump;Auxiliary oil tank is connected with the outlet of oil pump by corresponding pipeline with main oil passage respectively, and the pipeline connected with the outlet of oil pump is equipped with first pre-oiling pump, and the pipeline connected with main oil passage is equipped with second pre-oiling pump, and heating device is equipped on auxiliary oil tank.By increasing auxiliary oil tank and the pipeline and oil pump matched, the oil passage pressure fluctuation when engine is started first or normally is used to inject lubricating oil into auxiliary oil tank, so that when the viscosity of engine oil is increased in low temperature environment, the lubricating oil in auxiliary oil tank can be heated by heating device and sent into main oil passage, to avoid the problem of dry grinding, lubrication and damage caused by the influence of oil viscosity in bearing region.

To lower a concentration of moisture included in oil stored in an oil storage part.SOLUTION: An engine system 100 includes an internal combustion engine 10, a hydrogen generator 50, and a heat exchange mechanism 70. The internal combustion engine 10 is an internal combustion engine using hydrogen as fuel. The internal combustion engine 10 has an oil pan 25 storing oil. The hydrogen generator 50 generates hydrogen by heating a material of hydrogen. The heat exchange mechanism 70 exchanges heat between the hydrogen generator 50 and the oil that is stored in the oil pan 25.SELECTED DRAWING: Figure 1

A cooling system is provided, comprising at least one unit to be cooled by a coolant, at least one pump arranged in a pump housing, a radiator connected to the unit to be cooled and to the at least one pump via corresponding coolant lines, and at least one coolant sump connected to the unit to be cooled, in which coolant is provided. The at least one pump is configured to draw coolant from the coolant sump and convey it via the radiator towards the unit to be cooled, or to convey it directly to the unit to be cooled, and wherein at least one bypass valve per pump is arranged in the pump housing such that coolant can be conveyed directly from the pump to the unit to be cooled.

The invention discloses a methanol engine efficient cooling system, which comprises a cylinder body water jacket, a cylinder cover water jacket and a heating water jacket, the cylinder body water jacket comprises a water pump upper water jacket and a cylinder body heat dissipation water jacket, the water pump upper water jacket and the cylinder body heat dissipation water jacket are mutually independent and are not directly communicated, and an engine oil cooling chip is embedded in the water pump upper water jacket; the cylinder body heat dissipation water jacket is used for cooling the cylinder body, the water pump pumps cooling liquid to the water pump upper water jacket, then the cooling liquid enters the cylinder cover water jacket, and then the cooling liquid returns to the cylinder body heat dissipation water jacket from the cylinder cover water jacket. The heating water sleeve is arranged in the cylinder cover and used for preheating the air inlet channel. The methanol vaporizer has the advantages of high cooling efficiency, sufficient methanol vaporization and the like.

The utility model relates to the field of engine parts, in particular to a degassing device for an engine oil cooler of a high-horsepower engine, which comprises an engine oil cooler mounted on a cylinder body, a water pump is mounted at the engine oil cooler, and the cylinder body is provided with a water inlet and a water outlet. A water inlet and a water outlet are formed in the cylinder body, a water inlet pipe and a water outlet pipe are installed on the water inlet and the water outlet respectively, a water inlet header pipe is arranged on the cylinder cover, the cylinder body is communicated with the water inlet header pipe through a degassing pipeline, and a degassing connector is installed on the water inlet header pipe. If the water pump does not build the pressure and the pressure is insufficient, the boiling point of the cooling liquid is reduced, the cooling liquid is easy to boil, more bubbles are generated, vicious circle is formed, local high temperature is possibly caused, and engine parts are damaged.

The utility model discloses a split type oil duct improved structure of an engine oil filtering base and an oil cooler connecting seat in an automobile, which comprises the engine oil filtering base, and an engine oil inlet, an engine oil outlet and an oil return port are arranged on the lower portion of the engine oil filtering base. An anti-freezing liquid inlet is formed in the end of the engine oil filtering base, a first water outlet and a second water outlet which are communicated with the anti-freezing liquid inlet are formed in the bottom of the engine oil filtering base, an engine oil cooler is installed on the upper portion of the end, away from the filter element, of the engine oil filtering base, and an oil cooler connecting base is arranged between the engine oil filtering base and the engine oil cooler. Two parallel circulating cooling runners are arranged on the surface, close to one side of the engine oil cooler, of the oil cooler connecting seat in parallel, and the two ends of the two parallel circulating cooling runners are circularly communicated with the engine oil filtering base and the engine oil cooler respectively; the device has the advantages that cooling and oil way connection are accelerated, and the risk of high-temperature failure occurring in the long-time running process of a vehicle is effectively reduced.

The present application relates to a kind of aero-engine cold start auxiliary staged preheating system and control method, belong to aero-engine starting technical field;The present application is integrated preheating treatment to engine fuel, in-cylinder mixture thermodynamic state (in-cylinder thermal atmosphere before ignition) and lubricating oil by pipeline fuel preheating device, oil outlet preheating device, cylinder sleeve preheating device and lubricating oil heat preservation preheating device, coupling combustion parameter control strategy, according to the temperature gradient of plateau alpine low temperature environment, design four levels of plateau alpine cold start feedback control strategy, so that aviation kerosene pressure combustion engine provides and implements reasonable preheating scheme according to different low temperature low pressure environment outside in plateau alpine condition, can effectively solve the problem that aviation kerosene pressure combustion engine is difficult to cold start, starting time is long, engine parts wear seriously and cold start stability is poor and the like in plateau alpine environment.

The present invention provides oil cooler assembly (100) for internal combustion engine (202) of two-wheeled vehicle (200). Assembly (100) includes oil cooler (102) having inlet port (104) and outlet port (106). Inlet pipe (108) having first end (108a) coupled to crankcase (204) of engine (202) and second end (108b) coupled to inlet port (104) of oil cooler (102) is provided. Inlet pipe (108) is adapted to supply lubricant to be cooled from crankcase (204) to oil cooler (102). Outlet pipe (110) having one end (110a) coupled to cylinder head (206) of engine (202) and other end (110b) coupled to outlet port (106) of oil cooler (102) is also provided. Outlet pipe (110) is adapted to supply cooled lubricant to cylinder head (206) from oil cooler (102). Such construction, reduces length of inlet and outlet pipe (108, 110), thereby compacting the size of the assembly (100).