阅读说明：本技术 一种高效清洁温控汽油机机油分离系统 (High-efficient clean control by temperature change gasoline engine oil piece-rate system ) 是由 李伟 孙宏洁 于 2020-04-21 设计创作，主要内容包括：本发明公开一种高效清洁温控汽油机油气分离系统,包括：缸盖罩盖、缸盖、进气歧管、空滤及ECU,缸盖罩盖包含有：温度传感器、油气分离器、单向阀一、单向阀二、冷却器及PCV阀；油气分离器分别与温度传感器、单向阀一、单向阀二连接,单向阀一与冷却器连接,单向阀二与PCV阀连接,温度传感器、单向阀一、单向阀二均与ECU实现信号传输；PCV阀分别与所述空滤、进气歧管连接,空滤与进气歧管连接且进气歧管另一端与缸盖连接。本发明很好的解决机油被“携带”出缸盖罩盖的问题,避免机油随着过滤后的燃气进入燃烧室燃烧从而使得排放恶化,同时通过一次机油分离和一次机油冷凝,将机油回收到发动机内部,降低了整机机油消耗的速度,实现了节能减排的目标。(The invention discloses an oil-gas separation system of a high-efficiency clean temperature control gasoline engine, which comprises: cylinder cap shroud, cylinder cap, intake manifold, empty and straining and ECU, cylinder cap shroud contains: the system comprises a temperature sensor, an oil-gas separator, a one-way valve I, a one-way valve II, a cooler and a PCV (positive crankcase ventilation) valve; the oil-gas separator is respectively connected with a temperature sensor, a one-way valve I and a one-way valve II, the one-way valve I is connected with the cooler, the one-way valve II is connected with the PCV, and the temperature sensor, the one-way valve I and the one-way valve II are all in signal transmission with the ECU; the PCV valve is respectively connected with the air filter and the intake manifold, the air filter is connected with the intake manifold, and the other end of the intake manifold is connected with the cylinder cover. The invention well solves the problem that the engine oil is carried out of the cylinder cover, avoids the engine oil from entering the combustion chamber along with the filtered fuel gas to be combusted, thereby causing the emission to be worsened, and simultaneously recovers the engine oil into the engine through primary engine oil separation and primary engine oil condensation, thereby reducing the engine oil consumption speed of the whole engine and realizing the aims of energy conservation and emission reduction.)

1. The utility model provides a clean control by temperature change gasoline engine machine oil piece-rate system of high efficiency which characterized in that: the method mainly comprises the following steps: cylinder cap shroud (1), cylinder cap (2), intake manifold (3), empty (4) and ECU (5) of straining, cylinder cap shroud (1) includes: the system comprises a temperature sensor (6), an oil-gas separator (7), a one-way valve I (11), a one-way valve II (10), a cooler (8) and a PCV (9); temperature sensor (6), oil and gas separator (7), check valve one (11), check valve two (10), cooler (8) and PCV valve (9) integrate inside the cylinder head shroud part among the high-efficient temperature control gasoline engine oil-gas separation system for engine compact structure.

2. The system of claim 1, wherein the oil separation system comprises: the oil-gas separator (7) is connected with a one-way valve I (11) and a one-way valve II (10), the ECU (5) judges the temperature of the mixed gas in the cylinder cover detected by the temperature sensor (6), and the specific one-way valve is opened and closed according to different working conditions.

3. The system of claim 2, wherein the oil separation system comprises: the engine oil separated by the gas-oil separator (7) and the engine oil condensed by the cooler (8) both directly drop to the top of the cylinder cover and reenter the engine oil circulation of the engine.

4. The system of claim 3, wherein the oil separation system comprises: after the one-way valve I (11) is opened, the cooler (8) enables engine oil to be condensed in the cooler (8) and then return to the position above the cylinder cover, and cooling liquid in the cooler (8) circulates with engine cooling liquid.

[ technical field ] A method for producing a semiconductor device

The invention relates to an efficient clean temperature control gasoline engine oil separation system, in particular to the technical field of engines and vehicles.

[ background of the invention ]

With the development of engines and the enhancement of awareness of people about environmental protection, energy conservation and emission reduction are targets which are continuously pursued by engine designers and vehicle designers. The burning of engine oil is always the pain point of the particle emission of the gasoline engine. Under partial working conditions of the engine, engine oil vapor cannot be completely condensed due to high temperature of blow-by gas, and the engine oil is condensed and separated out to avoid the engine oil from entering a combustion chamber along with filtered fuel gas to be combusted so as to deteriorate emission and achieve the aim of emission reduction. Meanwhile, the condenser uses cooling water circulating in the engine, so that the energy is effectively utilized, and the aim of saving energy is fulfilled. The main body of the system is integrated on the cover of the cylinder head cover of the engine, and no additional part is added on the level of the whole engine, so that the engine is highly integrated, and the system also conforms to the miniaturization concept in the current market.

[ summary of the invention ]

The invention aims to provide an efficient and clean temperature control gasoline engine oil separation system, which can well solve the problem that engine oil is carried out of a cylinder cover, and avoid the problem that the engine oil enters a combustion chamber along with filtered fuel gas to be combusted so as to cause the emission to be worsened. Meanwhile, the engine oil is recycled into the engine through primary engine oil separation and primary engine oil condensation, so that the engine oil consumption speed of the whole engine is reduced, and the aims of energy conservation and emission reduction are fulfilled.

In order to achieve the above object, the present invention provides an efficient clean temperature control gasoline engine oil separation system, which mainly comprises: cylinder cap shroud, cylinder cap, intake manifold, empty straining and ECU, the cylinder cap shroud includes: the system comprises a temperature sensor, an oil-gas separator, a one-way valve I, a one-way valve II, a cooler and a PCV (positive crankcase ventilation) valve; the oil-gas separator is respectively connected with a temperature sensor, a one-way valve I and a one-way valve II, the one-way valve I is connected with a cooler, the one-way valve II is connected with a PCV valve, the temperature sensor, the one-way valve I and the one-way valve II are all in signal transmission connection with the ECU, the PCV valve is respectively connected with the air filter and the intake manifold, the air filter is connected with the intake manifold, and the other end of the intake manifold is connected with the cylinder cover.

In a further improvement mode, the ECU judges according to the temperature of the mixed gas in the cylinder cover detected by the temperature sensor, and performs opening and closing of the specific one-way valve according to different working conditions. The temperature sensor, the oil-gas separator, the one-way valve I, the one-way valve II, the cooler and the PCV valve are integrated in the cylinder cover part, so that the engine is compact in structure. The engine oil separated by the oil-gas separator and the engine oil condensed from the interior of the cooler can directly return to the top of the cylinder cover, so that the efficient recovery of the engine oil is realized, and the engine oil consumption of the whole machine is reduced. And the cooling liquid in the cooler and the engine cooling liquid are circulated together, so that the utilization rate of the energy of the engine is improved.

The invention has the beneficial effects that:

the efficient and clean temperature control gasoline engine oil separation system well solves the problem of pain point of particle emission of gasoline engines, namely 'engine oil burning'. Under partial working conditions of the engine, engine oil vapor cannot be completely condensed due to high temperature of blow-by gas, and the engine oil is condensed and separated out to avoid the engine oil from entering a combustion chamber along with filtered fuel gas to be combusted so as to deteriorate emission and achieve the aim of emission reduction. Meanwhile, the condenser uses cooling water circulating in the engine, so that the effective utilization of energy is realized, and the condensed engine oil returns to the top of the cylinder cover to be recycled, thereby achieving the purpose of energy conservation.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic diagram of the high-efficiency clean temperature-controlled gasoline engine oil separation system of the present invention.

[ detailed description ] embodiments

Referring to FIG. 1: clean control by temperature change gasoline engine oil piece-rate system of high efficiency mainly includes: cylinder cap shroud 1, cylinder cap 2, air intake manifold 3, empty 4 and ECU5 of straining, cylinder cap shroud 1 contains: the system comprises a temperature sensor 6, an oil-gas separator 7, a PCV valve 8, a cooler 9, a one-way valve I11 and a one-way valve II 10; the oil-gas separator 7 is respectively connected with a temperature sensor 6, a one-way valve I11 and a one-way valve II 10, the one-way valve I11 is connected with a cooler 9 (the cooler 9 is respectively provided with a cooling water inlet and a cooling water outlet), the one-way valve II 10 is connected with a PCV 8, and the temperature sensor 6, the one-way valve I11 and the one-way valve II 10 are all in signal transmission connection with the ECU 5; the PCV 8 is respectively connected with the air filter 4 and the intake manifold 3, the air filter 4 is connected with the intake manifold 3, and the other end of the intake manifold 3 is connected with the cylinder head 2.

Specifically, the ECU judges the temperature of the mixed gas in the cylinder cover according to the temperature detected by the temperature sensor, and performs opening and closing of the specific one-way valve according to different working conditions. The temperature sensor, the oil-gas separator, the one-way valve I, the one-way valve II, the cooler and the PCV valve are integrated in the cylinder cover part, so that the engine is compact in structure. The engine oil separated by the oil-gas separator and the engine oil condensed from the interior of the cooler can directly return to the top of the cylinder cover, so that the efficient recovery of the engine oil is realized, and the engine oil consumption of the whole machine is reduced. And the cooling liquid in the cooler and the engine cooling liquid are circulated together, so that the utilization rate of the energy of the engine is improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.