38results about "Lubrication temperature control" patented technology

This invention discloses an integrated thermostat structure and cooling system. It includes a housing, within which are a first main channel and a second main channel. The first main channel has a water pump outlet at its inlet and a cylinder head / cylinder block inlet at its outlet. The second main channel has a cylinder head outlet at its inlet and a small circulation outlet at its outlet. The second main channel is connected to a second, third, fourth, fifth, sixth, and seventh sub-channels. A one-way valve is installed before the third sub-channel on the second main channel. A cylinder block thermostat is installed on the second sub-channel, and a cylinder head thermostat is installed on the seventh sub-channel. This invention integrates the cylinder block and cylinder head thermostats within the housing piping of the thermostat structure, ensuring temperature control of the cylinder block and cylinder head while also regulating the operating temperatures of the engine oil, heater, and EGR system, ensuring efficient operation of the cooling system and reducing overall vehicle emissions.

A method of providing lubricant to a bearing system of an engine and piston cooling nozzles of the engine, comprising: pumping lubricant from a lubricant source to a pump outlet; routing a first portion of the pumped lubricant to the piston cooling nozzles without being filtered; routing a second portion of the pumped lubricant from an outlet of a filter to the bearing system, wherein the second portion of the pumped lubricant is cooled by a cooler.

The utility model relates to an oil pan device, engine system and vehicle, include: oil pan body and control valve, the oil pan body is equipped with the oil cavity and water channel that mutually interval, control valve is connected in oil pan body, and is used for according to the opening and close of the import of water channel control of oil cavity in oil temperature. The oil pan device, engine system and vehicle of this scheme can almost avoid the situation that when the temperature is lower, coolant enters the water channel of oil pan body and cools the oil, and then reach the purpose of reducing the power loss of engine, improving the service life of oil.

The present invention provides a control device for an internal combustion engine that can improve fuel efficiency by warming up the engine early while suppressing the occurrence of fuel dilution. [Solution] The control device controls an internal combustion engine equipped with a piston jet that injects lubricating oil onto the back surface of a piston and an oil pump that changes the unit discharge amount, which is the amount of lubricating oil discharged per revolution. The control device is equipped with a processing circuit. When the oil temperature is below a predetermined temperature, the processing circuit closes an electric valve provided in the supply passage for lubricating oil to the piston jet to stop the injection of lubricating oil from the piston jet (S200). When the oil temperature is below a predetermined temperature, the processing circuit maintains the unit discharge amount of lubricating oil discharged from the oil pump to be above a predetermined amount while the injection of lubricating oil from the piston jet is stopped (S210).

An internal combustion engine comprises a pump, an oil filter, a supply channel, a return channel, a soot separator, and a pressure relief valve. The pump delivers oil, and the oil filter filters the oil delivered by the pump. The supply channel extends from the pump through the oil filter, and the return channel branches off from the supply channel. The soot separator collects the soot contained in the oil in the return channel. The pressure relief valve is located in the return channel; when it opens, the oil, which enters the return channel as a split stream, flows through the soot separator.

The utility model belongs to the technical field of engines, and discloses an oil pan assembly which comprises an oil pan body, a heating part and an oil stirring assembly, an oil containing cavity is formed in the oil pan body, and the heating part is located in the oil containing cavity and used for heating engine oil in the oil containing cavity. The oil stirring assembly comprises stirring blades located in the oil containing cavity and a driving part located outside the oil pan body, and an output shaft of the driving part extends into the oil containing cavity and is connected to the stirring blades, so that the driving part can drive the stirring blades to rotate so as to stir engine oil in the oil containing cavity; according to the engine oil preheating device, the heating piece heats engine oil in the oil containing cavity, meanwhile, the output shaft of the driving piece drives the stirring blade to rotate, so that the stirring blade stirs the engine oil in the oil containing cavity, the engine oil in the oil containing cavity is heated more uniformly, the engine oil preheating efficiency is improved, and the engine oil preheating time is shortened.

A working vehicle includes a radiator to cool cooling water of an engine and a plurality of first cooling devices located on a front side of the radiator and slidably provided with respect to a vehicle body. The first cooling devices include an oil cooler to cool oil and a condenser to cool a refrigerant of an air-conditioning unit.

The present invention provides a water cooling system for an internal combustion engine that can fully utilize the cooling performance of a cooler for cooling the components of the internal combustion engine and a heat exchanger for cooling the compressed gas introduced into the internal combustion engine. [Solution] The water cooling system for an internal combustion engine comprises a first circulation line through which first cooling water circulates, a cooler for cooling the components of the internal combustion engine with the first cooling water, a first heat exchanger for performing heat exchange between compressed gas introduced into the internal combustion engine and the first cooling water, a second circulation line through which second cooling water at a lower temperature than the first cooling water circulates, and a second heat exchanger for performing heat exchange between compressed gas that has passed through the first heat exchanger and the second cooling water. The first circulation line includes a component cooling line equipped with a cooler and a compressed gas cooling line provided in parallel with the component cooling line, and the first heat exchanger performs heat exchange between compressed gas and first cooling water flowing through the compressed gas cooling line.

The present application relates to an internal combustion engine and an internal combustion engine system. The internal combustion engine has an oil pump, an oil filter, a supply flow path, a return flow path, a soot separation portion, and a pressure relief valve. The oil pump ejects oil. The oil filter filters the oil ejected from the oil pump. The supply flow path is provided so as to extend from the oil pump through the oil filter. The return flow path branches from the supply flow path. The soot separation portion traps soot contained in the oil in the return flow path. The pressure relief valve is disposed in the return flow path, and, by opening, causes the oil that is branched to the return flow path to flow through the soot separation portion.

A system (20) for detecting anomalies of a transmission assembly (8) of an aircraft (1). The aircraft (1) comprises a lubrication system (10), which comprises a tank (11) containing a lubricating fluid, a nozzle (12) configured to supply the lubricating fluid to the transmission assembly (8) and a fluid line (13), which fluidly connects the tank (11) to the nozzle (12). The detection system (20) comprises a first device (22), which detects a first quantity (n) associated with particles transported by the lubricating fluid along the fluid line (13), a second device (23), which detects a second quantity (ai) associated with vibrations of the transmission assembly (8) and an electronic control unit (24). The electronic control unit (24) verifies whether one between the first quantity (n) and the second quantity (ai) satisfies a first control criterion, whether the other between the first quantity (n) and the second quantity (ai) satisfies a second control criterion when the first control criterion is not satisfied and determines the presence of a possible anomaly of the transmission assembly (8) and / or provides for corrective actions when neither control criteria are satisfied.

This water cooling system for an internal combustion engine comprises: a first circulation line through which first cooling water circulates; a cooler that cools components of the internal combustion engine with the first cooling water; a first heat exchanger that exchanges heat between a compressed gas guided to the internal combustion engine and the first cooling water; a second circulation line through which second cooling water having a lower temperature than the first cooling water circulates; and a second heat exchanger that exchanges heat between the compressed gas that has passed through the first heat exchanger and the second cooling water. The first circulation line includes a component cooling line provided with the cooler, and a compressed gas cooling line provided in parallel with the component cooling line. The first heat exchanger exchanges heat between the compressed gas and the first cooling water flowing through the compressed gas cooling line.

The application discloses an engine cold start oil heating device and a working method thereof, which comprises an engine oil sump, and a machine oil pipe is communicated with the top of the engine oil sump. The electric machine drives the threaded rod to rotate in the inner cavity of the bearing seat, the threaded rod drives the threaded block to move on the surface of the threaded rod through the thread, the threaded block drives the movable plate to move, the movable plate drives the guide sleeve to slide on the surface of the guide rod, the movable plate drives the movable column to move, the movable column drives the adjusting mounting plate to move, the adjusting mounting plate drives the heat conduction seat, the heating pipe and the heating wire to be close to the engine oil sump, the heat conduction seat, the heating pipe and the heating wire start to heat the oil in the inner cavity of the engine oil sump, the engine oil can be heated when the automobile is cold started (especially in winter), the abrasion of the automobile engine during the cold start is reduced, and the cylinder wall is prevented from being scratched.

The utility model belongs to the field of motorcycle engine control, specifically is a kind of motorcycle engine oil temperature cooling control system, including engine body, magneto, speed control module, negative terminal and battery, engine body bottom end is equipped with oil sump, first connecting oil pipe is connected on oil sump, one end of first connecting oil pipe is equipped with oil filter, one end of oil filter is equipped with second connecting oil pipe, one end of second connecting oil pipe is equipped with oil pump, the other end of oil pump is equipped with third connecting oil pipe, one end of third connecting oil pipe is equipped with oil cooler. The utility model through the cooling fan and oil pump keep the cooling and lubrication of system simultaneously, compared with traditional oil cooling, reduce use cost and increase use range, can reduce vehicle weight simultaneously, improve driving experience and comfort, enhance driving operability and prolong the service life of engine, the control system is not easy to damage, long service life, good use effect, it is beneficial to popularization.

The present invention relates to an apparatus (1) for cooling and storing a cooled liquid, comprising: an air cooler (2) and a liquid container (3), the air cooler (2) comprising a housing (4), a fan (5), at least one air duct (6) extending within the housing (4) of the air cooler (2), and a plurality of pipes (7) housed in the air duct (6), each pipe (7) having a liquid inlet (8) and a liquid outlet (9); the liquid container (3) having a liquid container inlet connected to the liquid outlet (9). The air duct (6) is provided with at least one front air vent (13) and at least one side air vent (14). The front air vent (13) is located on the front side (15) of the housing (4) opposite to the rear side (11). The at least one side air vent (14) is located on at least one side (16) of the housing (4) extending between the front side (15) and the rear side (11).

A seal assembly includes a housing including a wall, a gasket circumscribed by the wall, and a reinforcement member defining an orifice and extending continuously and completely around the orifice, the reinforcement member in contact with and circumscribed by the gasket such that the gasket is between the reinforcement member and the wall of the housing. The reinforcement member includes a spring, the reinforcement member configured to be compressed at the spring during insertion of the reinforcement member into the gasket, the spring biased outward to press the reinforcement member against the gasket and to press the gasket against the wall of the housing.

The present invention provides an oil strainer and control device that can suppress clogging with less power compared to heating the entire oil in the oil pan. [Solution] The oil strainer 20 comprises a pipe 21 and a mesh 22. The pipe 21 has an intake port 23 for drawing in oil from the oil pan. The mesh 22 is made up of strands 24 arranged in a grid pattern. The mesh 22 is attached to the pipe 21 so as to cover the intake port 23. At least a portion of the strands 24 are heating wires 26.

An internal combustion engine includes a pump, an oil filter, a supply channel, a return channel, a soot separation unit and a relief valve. The pump discharges oil and the oil filter filters the oil discharged from the pump. The supply channel extends from the pump through the oil filter, and the return channel branches off from the supply channel. The soot separation unit collects soot contained in the oil in the return channel. The relief valve is provided in the return channel, and causes, by opening itself, the oil that has entered the return channel as a split flow to flow through the soot separation unit.

To promote the vaporization of fuel mixed in oil using a simple configuration. [Solution] The internal combustion engine 10 comprises a combustion chamber 20 in which fuel is burned, a cylinder block 11 having cylinders that partition the combustion chamber 20, a cylinder head 12 fixed to the cylinder block 11 and having an exhaust port 22, an exhaust manifold 28 forming an exhaust passage 31 connected to the exhaust port 22, a manifold internal passage 34 formed around the exhaust passage 31 in the exhaust manifold 28, an oil pan 15 that communicates with the cylinder 16 and stores oil, an oil supply passage 32 that supplies oil stored in the oil pan 15 to the inside of the cylinder head 12, and an oil return passage 35 that returns the oil inside the cylinder head 12 to the oil pan 15. A part of the manifold internal passage 34 is isolated as part of the oil return passage 35.

Provided is a vehicle front structure for introducing airflow to a heat exchanger installed at the front of the body of a vehicle. The vehicle front structure comprises a front bumper in which an opening part is formed, and a cooling duct extended in the front-rear direction from the opening part toward the heat exchanger. The opening part is formed in a vehicle-widthwise end side of the front bumper. The cooling duct has a first portion extending horizontally rearward from the opening part, and a second portion extending at an upward incline rearward from the first portion.

This invention relates to the field of vehicle waste heat utilization technology, and discloses a low-temperature heat source refrigeration system and method utilizing waste heat from a vehicle's radiator. The system includes: a parameter acquisition module for real-time acquisition of engine operating parameters; an engine thermal inertial response model to characterize the coolant temperature hysteresis response characteristics; a refrigeration cycle thermal inertial response model to characterize the dynamic response characteristics of the refrigeration cycle thermal state; a model coupling module for iteratively predicting the return coolant temperature and engine coolant temperature step-by-step within a preset time domain, identifying the feedback inflection point step corresponding to the maximum temperature difference; a constraint screening module for tightening heat dissipation safety constraints and screening effective time steps after the inflection point step; a strategy optimization module for generating candidate waste heat extraction strategies and screening the optimal strategy based on the cumulative cooling capacity value of the effective time steps; and a control command generation module for controlling waste heat extraction according to the optimal strategy.

This utility model discloses a novel tooling mechanism for automotive oil cooling pipes, including an oil pipe and an oil guide seat. Both ends of the oil pipe have flat surfaces with two sets of threaded holes. The upper end of each threaded hole has a tapered guide groove. The lower end of the oil guide seat has a stud and includes a tapered guide portion. Both ends of the oil pipe are connecting ends, each including an outer pipe and an inner pipe. A flow-blocking and heat-dissipating mesh is provided between the outer and inner pipes. A sealing sleeve is fitted onto the connecting end, comprising a sliding sleeve, an elastic collet, a locking nut, and an elastic sealing ring. In this utility model, the oil pipe and the inlet pipe are initially sealed and fixed by welding, and a secondary sealing and fixing is achieved by the sealing sleeve, forming a redundant sealing structure. The oil guide seat is first screwed in for positioning before welding, ensuring perpendicularity and eliminating the need for correction. The flow-blocking and heat-dissipating mesh interlayer added to the port prevents solder from entering the oil pipe.

This utility model provides a chip gasket block suitable for heavy-duty truck oil coolers, relating to the field of cooler core sealing technology. It includes a skeleton ring body with extension plates on both sides. Positioning holes are provided on the extension plates. Inner liner rings are provided on the upper and lower sides of the skeleton ring body. A sealing ring gasket is fitted onto the outer wall of the inner liner ring. Symmetrically arranged clamping half-rings are pivotally connected to the extension plates. A guide ring is fixed to the end of each clamping half-ring facing the positioning hole. The guide ring is concentric with the positioning hole, and its upper surface is a sliding conical surface. An open spring is connected to the end of each clamping half-ring away from the pivot axis. In this utility model, the guide rings are gradually aligned by screw contact, causing the two clamping half-rings to engage and deform the sealing ring gasket, thus forming a seal.

This invention relates to a pulse self-heating control method and apparatus for fire-fighting diesel engines. The pulse self-heating control method for fire-fighting diesel engines significantly shortens the low-temperature start-up time of fire-fighting diesel engines by coordinating the operation of an electric pulse heating unit and an exhaust waste heat heating unit, adapting to the rapid deployment requirements of emergency scenarios. It prioritizes the use of the exhaust waste heat heating unit for low-energy preheating, reducing additional energy consumption. The electric pulse heating unit and the exhaust waste heat heating unit are redundant and designed with a back-flushing self-cleaning component, coupled with a fault diagnosis mechanism, effectively avoiding the risk of single heating source failure, adapting to harsh fire-fighting conditions. The finned composite heat exchanger precisely covers core media such as engine oil, coolant, and intake air, avoiding problems such as lubrication failure and poor atomization caused by low temperatures. Furthermore, the heating process is gentle and controllable, reducing engine cold-start wear, extending equipment lifespan, and adapting to the high-frequency emergency start characteristics of fire-fighting diesel engines.

The application discloses an engine oil pump, an automobile and a control method of the engine oil pump, and relates to the technical field of automobiles, wherein the engine oil pump comprises an oil pan and an engine main oil passage, and further comprises an oil pump body, an oil inlet pipeline and an anti-blocking pressure relief oil passage; one end of the oil pump body is connected to the engine main oil passage; one end of the oil inlet pipeline is connected to an oil inlet of the oil pump body, and the other end is arranged corresponding to the bottom of the oil pan; the anti-blocking pressure relief oil passage comprises an electric control valve and a pressure relief pipe, and the electric control valve is arranged on the pressure relief pipe; the technical scheme of the application can control the opening degree of the electric control valve according to the actual conditions of oil temperature and oil pressure, thereby effectively improving the actual working efficiency of the oil pump and effectively reducing the energy consumption of the oil pump. Especially under the condition of extremely low temperature, the oil supply of the engine in the initial stage of operation is ensured, and the service life of the whole engine structure is improved.

The utility model discloses a high degree of integration formula engine oil cooling filter module relates to engine structure field. This high degree of integration formula engine oil cooling filter module, including engine filter seat, suspension assembly, engine oil cooler, oil filter and pipeline subassembly, engine oil cooler fixed mounting is in the top of engine filter seat, and the oil filter fixed mounting is in the side of engine filter seat, and suspension assembly fixed mounting is below engine filter seat, and the pipeline subassembly sets up in the inside of engine filter seat. This high degree of integration formula engine oil cooling filter module, utilizes suspension assembly and integrates engine filter seat, engine oil cooler, oil filter and pipeline subassembly in one, and engine cylinder body engine oil passes through pipeline subassembly and successively passes through engine oil cooler and oil filter to cool and filter engine oil, makes engine lubricating assembly and annex maximum degree realized the integration, makes cylinder body arrangement simplification, and lays the foundation for engine miniaturization light weight.

This invention relates to the field of diesel engine technology, particularly to an air-cooled diesel engine with internal and external oil circulation cooling. It overcomes the problems of excessively high oil temperature in existing air-cooled diesel engines or the high cost and unreliability of added oil cooling devices. The engine comprises a block, gear chamber cover, crankshaft, flywheel, and oil pump. The crankshaft axis is aligned with the diesel engine axis. The block and gear chamber cover form the diesel engine cavity. A honeycomb cooling block is fixed to the bottom surface of the engine body. The honeycomb cooling block has several cooling through-holes aligned with the engine axis, allowing airflow from the flywheel to pass through. These through-holes are arranged horizontally at intervals. Each cooling through-hole on the honeycomb cooling block has an inlet communicating with the diesel engine cavity on its front side and an outlet leading to the oil pump on its rear side. The inlet is connected to the outlet via an undulating oil channel that winds around the outer wall of each cooling through-hole. The low-temperature air flowing through the cooling through-holes cools the high-temperature oil flowing through the oil channels outside the cooling through-hole walls.