Filter plate type self-adaption pressure regulating engine oil and gas separation device
A separation device and self-adaptive technology, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of low separation efficiency and poor oil and gas separation ability of single-layer structure, so as to improve separation efficiency, ensure flow rate and improve efficiency Effect
Inactive Publication Date: 2019-01-18
GUANGXI YUCHAI MASCH CO LTD
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[0004] From the above, it can be found that the core of the oil-gas pre-separation of the cylinder head cover in the prior art lies in the labyrinth oil-gas passage formed between the transverse partition and the longitudinal partition, but its single-layer structure has poor oil-gas separation ability and low separation efficiency
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0023] In an embodiment of the present invention, a filter plate type self-adaptive pressure regulating engine oil-air separation device is provided, the filter plate type self-adaptive pressure regulating engine oil-air separation device includes a filter hole type separation device and a primary Separation device, the primary separation device can separate part of the oil droplets during the intake stage of the oil-gas mixture, the oil-gas mixture flows through the primary separation device and then enters the filter-hole type separation device, where accelerated collision separation ...
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The invention provides a filter plate type self-adaption pressure regulating engine oil and gas separation device. The device comprises a filter hole type separation device body and a primary separation device body which are arranged in an installation groove in an air cylinder cover, an air inlet hole used for receiving an oil and gas mixture in a crankcase is formed in the installation groove, aventilation hole used for discharging separated exhaust gas is also formed in the installation groove, and the air cylinder cover, the filter hole type separation device body and the primary separation device body are combined to form a curved oil and gas passage. The self-adaption pressure regulating engine oil and gas separation device can accelerate the oil and gas mixture, separated oil droplets flow out through oil return chambers, the separation efficiency is high, and national sixth engine emission standards can be satisfied.
Description
technical field [0001] The invention belongs to the technical field of oil-gas separation, and in particular relates to a filter plate type self-adaptive pressure-regulating engine oil-gas separation device. Background technique [0002] The oil gas produced by the engine during operation enters the combustion chamber to participate in the combustion. The oil contained in this part of the oil gas usually cannot be completely burned, but enters the crankcase through the piston ring together with the exhaust gas. After entering the crankcase, this part of the oil vapor condenses Thinning, performance decline, and the entry of combustible mixture and exhaust gas into the crankcase will increase the pressure in the crankcase, and the oil will leak from the crankshaft oil seal, gasket, etc., increasing the pollution to the atmosphere during the operation of the engine. Therefore, It is necessary to separate the oil and gas discharged from the engine by integrating an oil-air sepa...
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Login to View More IPC IPC(8): F01M13/04
CPCF01M13/04F01M2013/0438F01M2013/0488
Inventor 韦福观朱雄覃星念赵宁宁叶双超余晓强
Owner GUANGXI YUCHAI MASCH CO LTD