11 results about "Automotive engine" patented technology

The invention belongs to the technical field of automobile engine, in particular to a cylinder head cover gas and oil separating device. The lower side of the cylinder head cover of the invention is provided with a base plate; division plates from top to bottom are arranged between the cylinder head cover and the base plate; empty cavities for circuitous circulation of the gas and oil are formed between the cylinder head cover and base plate and the division plates; an inlet of the empty cavity is arranged inside the cylinder head cover, and an outer thereof is arranged on the cylinder head cover; a front cavity of the empty cavity along the flow direction of the gas and oil is provided with the gas and oil separating mechanism and a back cavity thereof is arranged as an access; the base plate is provided with a first oil return hole. In the invention, the oil and the gas are firstly processed by the gas and separating mechanism in front of the empty cavity, and then the access of the back part of the empty cavity plays a role of slowing air flow, so that oil drops in the air sink during slow flowing to be separated when touching the base plate or side walls. In the invention, the oil and the gas can be separated more thoroughly, thus improving the service performance of the engine, promoting the emission performance of the engine and reducing the environmental pollution.

The invention provides an auto exhaust pipe with a function of internal cooling based on an airflow effect. The auto exhaust pipe is characterized in that an airflow effect pipe is added on the auto exhaust pipe; outside cold air is sucked into the auto exhaust pipe through the airflow effect pipe and mixed with high-temperature engine exhaust, so that the engine exhaust in the auto exhaust pipe can be cooled, the energy and flow rate of the engine exhaust can be reduced, and the purpose of reducing noise of the engine exhaust can be fulfilled; through additional arrangement of an appropriate silencing bags, a very good silencing effect can be achieved; due to the cooling function of the airflow effect pipe, the energy of the engine exhaust is greatly reduced; and accordingly, the sizes of the silencing bags can be very small, that is, not only the manufacturing cost but also the weight and back pressure of the auto exhaust pipe can be reduced, and the oil consumption of an auto engine can be lowered.

The invention discloses a novel damping suspension. The damping suspension is respectively connected with an automobile engine and an automotive chassis. The damping suspension comprises a housing, arubber part, a metal plate and a mass block. The rubber part is fixedly arranged in the housing. The metal plate passes through the rubber part and protrudes from a side surface of the rubber part. The mass block is disposed on a portion of the metal plate protruding from the rubber part. The damping suspension is simple in structure, can adjust rigidity of the damping suspension by adjusting massof the mass block, so as to solve the vibration noise problem caused by the vibration frequency of the damping suspension higher than a target value, and can prevent the damping suspension near othermodal frequencies of a whole automobile from producing resonancesimultaneously.

The invention relates to a clamping jaw structure for an automobile engine cylinder body or cylinder cover. The clamping jaw structure for the automobile engine cylinder body or cylinder cover comprises a clamping jaw device, wherein the clamping jaw device is mounted on a mounting plate through an X-Z sliding table, the clamping jaw device has freedom degrees of reciprocating motion along the X axis and the Z axis which are perpendicular to each other in the X-Z sliding table, the clamping jaw device comprises a locking air cylinder, a linear shaft, a clamping jaw, a connection rod, a connection seat and a clamping jaw mounting seat, the clamping jaw mounting seat is connected with the X-Z sliding table, the locking air cylinder is arranged in the clamping jaw mounting seat, the linear shaft is connected with the clamping jaw mounting seat in a sliding mode, one end of the linear shaft is connected with a piston rod of the locking air cylinder, the clamping jaw is hinged with one endof the connection rod, the other end of the connection rod is hinged with the connection seat mounted on the clamping jaw mounting seat, one end of the clamping jaw is hinged with the other end of thelinear shaft, the other end of the clamping jaw is a clamping end for grasping the cylinder body or the cylinder cover, and the linear shaft, the clamping jaw, the connection rod and the connection seat form a four linkage mechanism driven by the locking air cylinder to stretch out and draw back so as to drive the clamping end of the clamping jaw to clamp or loosen. The clamping jaw structure forthe automobile engine cylinder body or cylinder cover improves reliability of the clamping jaw, and improves assembly efficiency on an automobile engine production line.

The present invention discloses an engine timing chamber structure. A cylinder head (3), an upper cam shaft frame (1) and a lower cam shaft frame (2) form the timing chamber; a timing chamber head (8) is added outside the timing chamber; the timing chamber head (8), the cylinder head (3), the upper cam shaft frame (1) and the lower cam shaft frame (2) are connected through a plurality of fastening bolts (9, 10, to,21) and a seal glue, thus forming an enclosed hollow cavity. The method of painting the flat anaerobic seal glue is adopted to seal the cylinder head (3) and the lower cam shaft frame (2) as well as the upper cam shaft frame (1) and the lower cam shaft frame (2); the timing chamber adopts silicon rubber sealing. The timing chamber structure provided by the present invention ensures not only the convenient installation and maintenance of the timing chain and the chain wheel but also no lubricant leakage required by the normal operation of the timing system; at the same time, the dust outside is unable to enter the timing chamber and affect the operation of the timing system. The present invention not only solves the installation and maintenance of the timing system but also simplifies the structure of the cylinder head and the cam shaft frame.

The invention belongs to the technical field of automobile engine supercharging systems, and relates to a double-supercharging system. The system comprises an engine, a turbocharger and an electric supercharger, wherein the engine is connected with the turbocharger through a first gas exhaust pipeline, the turbocharger is connected with the electric supercharger through a pipeline, the electric supercharger is connected with the engine through a first air inlet pipeline, waste gas exhausted by the engine enters the turbocharger through the first gas exhaust pipeline so as to drive a turbine ofthe turbocharger, the turbine drives a pressing wheel of the turbocharger to rotate, the pressing wheel compresses air from a second air inlet pipeline, compressed first-stage compressed air enters the electric supercharger, under a damaged working condition, the electric supercharger carries out second-stage supercharging on the first-stage compressed air, and supercharged second-stage compressed air enters the engine through the first air inlet pipeline. According to the double-supercharging system, the turbine hysteresis phenomenon of the turbocharger can be avoided.

The invention relates to the technical field of automobile tail gas purification, in particular to a localization coating for an automobile tail gas purification catalyst, and a preparation method thereof. The coating is applied to the inner walls of channels of a honeycomb ceramic carrier arranged at a gas outlet end of an automobile engine, the honeycomb ceramic carrier comprises a front half region and a rear half region with a height ratio of 1:(1-4), a coating of the front half region sequentially comprises an inner coating, a middle coating and an outer coating, and a coating of the rearhalf region sequentially comprises an inner coating and an outer coating; and the components of the inner coating, the middle coating and the outer coating comprise a rare earth composite oxide, modified alumina, an additive and a noble metal. By partitioning the carrier into regions and coating different regions with coatings with different components, different thicknesses, and different noblemetal contents, a use amount of the noble metal on the entire honeycomb ceramic carrier can be reduced while the tail gas conversion efficiency is ensured, and thereby the cost of the automobile tailgas purification catalyst is reduced.

The invention discloses a breathing boost device of an automobile engine, comprising an air inlet arranged in a shell at the front end of an automobile, wherein the rear port of the air inlet is connected with the air inlet of an engine air filter; the air outlet of the engine air filter is connected with an air inlet manifold of the engine; and the air inlet manifold of the engine is connected with the air inlet of the engine. By using the wind speed and the wind pressure generated at the front end of a driving car (including various sedan cars, camions and other vehicles), the breathing boost device can automatically adjust to increase the inlet pressure of the automobile engine, improve the engine power, reduce oil consumption and save energy. In addition, the breathing boost device is simple in structure, low in cost and not only easy for implementation on a new vehicle, but also applicable to modification of an old vehicle.

The invention belongs to the technical field of cooling of common machines or engines, and discloses a self-cooling automobile engine which comprises an engine shell and a power output component, and a cooling channel and a flow guide block are further arranged in the engine shell; the cooling channel comprises an air inlet section and a cooling section, and an annular pressurizing channel is formed between the air inlet section and the cooling section; a flow guide cavity is formed in the flow guide block, and an annular channel is formed in the inner side of the flow guide block; the self-cooling automobile engine further comprises a rotating shaft, a turbofan and a semicircular driving wheel are fixed on the rotating shaft; and the self-cooling automobile engine also comprises two gas filling barrels, pistons are slidably connected into the gas filling barrels, springs are arranged between the pistons and the ends of the gas filling barrels, push rods are arranged on the pistons, gas inlets and gas outlets are further formed in the gas filling barrels, and gas guide pipes are communicated with the gas outlets. The problems that in the prior art, when cooling liquid is not supplemented into a liquid storage tank in time, the cooling effect of an engine is reduced, then the engine continuously heats, and the engine breaks down easily are solved.

The invention relates to a protective plate mechanism of an automobile engine, which comprises a protective plate mechanism arranged on an automobile chassis, and the protective plate mechanism is coated outside the automobile engine; an existing protection plate structure is improved, in the using process of the improved protection plate, the effective protection effect on an automobile engine can be achieved, meanwhile, the heat dissipation effect can be achieved in the protection effect, the protection plate structure is optimized through the improved equipment. In the actual using process of the optimized protection plate, the abrasion degree of the protective plate can be effectively reduced, so that the service life of the protective plate is prolonged.