63results about How to "Exhaust effect" patented technology

The invention relates to an engine cooling system adopting a delayed circulation flow path. The engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention relates to a multi-circulation engine cooling system. The multi-circulation engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The multi-circulation engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention relates to a foaming mold for manufacturing a PU (polyurethane) automobile back cushion, wherein the foaming mold for manufacturing the PU (polyurethane) automobile back cushion comprises an upper mold frame, a lower mold frame and a mold; tail ends of the upper mold frame and the lower mold frame are articulated through an articulated chain; and mold frame turning air cylinders arearranged at two sides of the lower mold frame. The foaming mold for manufacturing the PU (polyurethane) automobile back cushion is characterized in that the mold comprises an upper mold, a lower moldand an intermediate mold; tail ends of the upper mold and the lower mold are articulated; the lower mold is fixed on the lower mold frame; the intermediate block is arranged between the upper mold and the lower mold; a separating driving mechanism for driving the intermediate block is installed on the upper mold; and a mold opening chain is arranged between the back surface of the upper mold and the upper mold frame. The upper mold and the lower mold are connected through an articulated chain, the product acts along with the upper mold and the intermediate block together, the product moves rotatably permanently relative to the lower mold, and at the same time, the possibility for pulling the product to be damaged by the lower mold is reduced greatly; and additionally, when the mold is opened and the product is removed, the product and the intermediate block are projected out together, and the foamed product is more convenient to be taken down by the operation personnel.

The invention relates to an engine double-circulation cooling system improved structure with a low temperature radiator. The engine double-circulation cooling system improved structure comprises a high temperature circulating cooling system and a low temperature circulating cooling system, wherein the high temperature circulating cooling system comprises an expansion water tank, a high temperature radiator, an engine cooling water jacket, a first water pump, an electronic thermostat, an engine oil cooler, an electronic supercharger and an air heater; and the low temperature circulating cooling system comprises an expansion water tank, the low temperature radiator, a turbocharger, a second water pump, an intercooler and a BSG. According to the engine double-circulation cooling system improved structure, the two circulating cooling systems are arranged, and the high temperature radiator and the low temperature radiator are arranged, so that the requirements of different to-be-cooled parts on the cooling temperature are effectively guaranteed; and besides, in the technical scheme, the volume of the cooling system is not increased.

The invention relates to a double-water pump engine double cooling system. The double-water pump engine double cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system; the high-temperature circulating cooling system comprises an expansion tank, a high temperature heat dissipater, an engine cooling water jacket, a first water pump, an electronic thermostat, an engine oil cooler, an electric supercharger and hot air; the low-temperature circulating cooling system comprises an expansion tank, a low temperature heat dissipater, a turbo-supercharger, a second water pump, an intercooler and a BSG. According to the system, the two circulating cooling systems are arranged, the high temperature heat dissipater and the low temperature heat dissipater are arranged so that the requirements for cooling temperature of different parts to be cooled can be effectively met, and the sizes of the cooling systems are not increased through the technical scheme. The BSG, the turbo-supercharger and the intercooler are connected in parallel in the low-temperature circulating cooling system, and therefore the stability of the pressure difference of the components is guaranteed.

The invention relates to an engine cooling system provided with double expansion kettles. The engine cooling system provided with the double expansion kettles comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a first expansion tank, a high-temperature cooler, an engine cooling water jacket, a first water pump, an electronic thermostat, an oil cooler, an electronic booster and a heater; the lower-temperature circulating cooling system comprises a second expansion tank, a low-temperature cooler, a turbocharger, a second water pump, an intercooler and a BSG. According to the engine cooling system provided with the double expansion kettles, the two sets of circulating cooling systems are arranged, and the high-temperature cooler and the low-temperature cooler are arranged in the two systems correspondingly, so that cooling temperature requirements of different parts to be cooled are effectively ensured. Further, according to the technical scheme, the size of the cooling system is not increased.

The invention relates to the technical field of castings, in particular to a core making method for a barrel casting. The core making method comprises a core box, an accompanying chiller on the innerwall of the barrel casting and a hollow core bone with a hole, wherein an integrated from of the accompanying chiller and a gas outlet is formed in the core box; and height of the accompanying chillerform is greater than the thickness of the accompanying chiller. Core making steps comprise core box assembly, sand filling, core taking and chiller assembly. A cavity needed for returning a sand coreis formed by the form, so that operations are convenient, environmentally friendly and energy-saving; and moreover, the cavity mutually communicates the hollow core bone, so that gas in the mould cavity and the sand core can be timely discharged, and therefore, quality of the casting is guaranteed.

The invention relates to a cooling system of an engine. The cooling system comprises a high-temperature circulation cooling system and a low-temperature circulation cooling system. The high-temperature circulation cooling system is provided with a large-circulation cooling liquid flow way, a small-circulation cooling liquid flow way and a delay-circulation cooling liquid flow way. Delay circulation is achieved by adding an electric control auxiliary water pump to the high-temperature circulation cooling system, the heating requirements of all parts after the engine stops can be better met, and the flowing direction problem of cooling circulation between different parts is solved.

The invention discloses an air-curtain breakwater. A water pressing pipe is arranged at two sides of a bottom of an exhaust pipe separately, and is a cylindrical hollow pipe, the two water pressing pipes are symmetrically arranged relative to exhaust holes, the water pressing pipes are as long as a pipe body of the exhaust pipe, and included angles between the center of the exhaust pipe and the centers of the two water pressing pipes are 90-120 degrees; and the pipe diameter of the exhaust pipe is 2-3 times of the pipe diameter of each water pressing pipe. According to the air-curtain breakwater disclosed by the invention, the position of the exhaust pipe can be easily placed correctly, the case of incorrect positions of the exhaust holes in the exhaust pipe is avoided, and good exhaust effect and wave absorbing effect are achieved; the exhaust pipe is capable of floating and sinking in water with the water pressing pipes, and a depth position of the exhaust pipe in water is adjustable, so that blockage of sediments at a water bottom for the exhaust holes of the exhaust pipe can be avoided, and a pressure pressed in the exhaust pipe has no need to be increased with the increase of a water depth, so that low energy consumption is achieved; and the exhaust pipe has no need to always sink to the water bottom and is free from self-sinking.

The invention relates to a cooling system for an engine. The cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises three cooling liquid flow paths, namely, a large circulation cooling liquid flow path, a small circulation cooling liquid flow path and a delayed circulation cooling liquid flow path. According to the cooling system, an electronic control auxiliary water pump is added for the high-temperature circulating cooling system, and delayed circulation is achieved, so that the heat supply demands of all the parts after engine halt can be better met, and the flow direction problem of cooling circulation among different parts is solved.

The invention relates to an engine cooling system. The engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention relates to an improved structure of dual water pump engine double cooling systems. The improved structure of the dual water pump engine double cooling systems comprises the high-temperature circulating cooling system and the low-temperature circulating cooling system. The high-temperature circulating cooling system comprises an expansion tank, a high-temperature cooler, an engine cooling water jacket, a first water pump, an electronic thermostat, an engine oil cooler and a heater. The low-temperature circulating cooling system comprises an expansion tank, a low-temperature cooler, a turbocharger, a second water pump, an intercooler, a BSG and an electronic booster. According to the improved structure of the dual water pump engine double cooling systems, the two sets of circulating cooling systems are arranged, and the high-temperature cooler and the low-temperature cooler are arranged in the two systems correspondingly, so that cooling temperature requirements of different cooling parts are effectively ensured. Further, according to the technical scheme, the size of the cooling system is not increased. At the same time, the series branch of the BSG, the turbocharger and the electronic booster and the intercooler branch are arranged in parallel in the low-temperature circulating cooling system, and stability of the differential pressure of the parts is ensured.

The invention relates to a double-circulation cooling system with an electronic supercharger positioned in a high temperature cooling system. The double-circulation cooling system comprises a high temperature circulating cooling system and a low temperature circulating cooling system, wherein the high temperature circulating cooling system comprises an expansion water tank, a high temperature radiator, an engine cooling water jacket, a first water pump, an electronic thermostat, an engine oil cooler, the electronic supercharger and an air heater; and the low temperature circulating cooling system comprises an expansion water tank, a low temperature radiator, a turbocharger, a second water pump, an intercooler and a BSG. According to the double-circulation cooling system, the two circulating cooling systems are arranged, and the high temperature radiator and the low temperature radiator are arranged, so that the requirements of different to-be-cooled parts on the cooling temperature are effectively guaranteed; besides, in the technical scheme, the volume of the cooling system is not increased; and in the low temperature circulating cooling system, the BSG, the turbocharger and the intercooler are arranged in parallel, so that the pressure difference of the parts is guaranteed to be stable.

The invention relates to an engine cooling system comprising an auxiliary water pump. The engine cooling system comprises a high-temperature circulating cooling system, a low-temperature circulating cooling system and a delay circulating system. The high-temperature circulating cooling system comprises a first expansion water tank, a high-temperature radiator, an engine cooling water sleeve, a first water pump, an electronic thermostat, an engine oil cooler, the auxiliary water pump and an air heater. The low-temperature circulating cooling system comprises a second expansion water tank, a low-temperature radiator, a second water pump, a turbocharger, an electronic supercharger, an intercooler and a BSG. According to the engine cooling system, the high-temperature circulating cooling system and the low-temperature circulating cooling system are arranged, and the high-temperature radiator and the low-temperature radiator are arranged separately, so that the requirements of different to-be-cooled parts for cooling temperature are effectively met, and the size of the engine cooling system is not increased through the technical scheme of the engine cooling system.

The invention discloses an engine exhaust pipeline of a surfboard. One end of an engine exhaust pipe is communicated with an engine exhaust opening, and the other end extends out of a cavity of the surfboard; a first filter screen and a first one-way valve are fixedly arranged from one end to the other end in the engine exhaust pipe in sequence; and the first one-way valve allows gas in the engine exhaust pipe to be exhausted but does not allow seawater to enter the exhaust pipe. The first one-way valve and the first filter screen which are installed in the engine exhaust pipe of the surfboard effectively prevent oil liquid from being discharged into the seawater and meanwhile prevent the seawater from entering the interior of the engine along the exhaust pipe, thus the surfboard is environmental-friendly and safe; and an oil-gas separator is arranged in the engine exhaust pipe to ensure that oil and gas in the engine exhaust pipe are separated, thereby ensuring that the waste oil is not discharged into the seawater and meanwhile is not accumulated in the engine exhaust pipe to influence the exhaust of the exhaust pipe.