types of lubrication pdf

As the drum is applied in an eccentric manner, the volume between the drum and the casting continuously decreases and the oil pressure at the outlet increases. D��H�& b��$E�'�?��Q�L��c|����P��uu_.���M�/Gg�s�������i����ի���}WE��'���ת��������˫ �x:@m}���D5wڵ�:X��ٴUm����U�.���7s�Q�&x�6�|�j����:�Q,j٠8��l�����H�j�M׎�`f�c�΋�:Wš�@��Y �b1�6�i[g�|���;!��UE>��"CO�l��XtG_�W盶��W���Ԝ �.�=O�y���%���A��~=���T�7�g�zC����KĹ��k]n�ǃҹ�������)�LPLjI�8F�$E2�Pw6#Z���aq1/��9�JQ*��+�ؤ�op�}�M����j=�:?g�)c���n�����z���g���lNL}�8�7���|���k���{Ώ�3 gp This type of sump is used to deliver oil under low pressure to the troughs of splash systems. There are mainly three types of Lubrication System: Mist lubrication system is used in a two-stroke engine, it is not possible to have the lubricating oil in the sump because the charge is compressed in the crankcase. �x a6(��IB�p=��S5�q���i.�fb.p�00�c�ae����7���e�6�\8� ������#8��4/CP8r�!�� s=�� The oil filter systems are of the two To supply lubrication oil between the moving parts is simply termed as lubrication. The lubrication systems used for internal combustion engines. The oil mist is injected into the bearing housing for bearing lubrication and the manifold is used to collect the coalesced oil particles from the drop points. and Types of Fuel Gauge with Its Working and Diagrams. The oil sump is the lowest part of the crank chamber. Bimetal-Thermostat Type Oil Pressure Gauge, Lubrication System in Automobile: Method, Purpose & Application, List of Car Engine Parts Its Function with (Pictures), What are the 18 Different Properties of Lubricants [Lubricating Oil], Four Different Types of Gearbox That Are Used In Modern Vehicles, Braking System: How They Work? Each method has unique advantages. All rights reserved, 13 Different Types of Clutches Explained…, Milling Cutter: Types and Material [Notes and PDF], Different Types of Valve In Mechanical or…, Different Types of Lubrication System [Notes with PDF]. They are: Hydrodynamic lubrication or thick film lubrication. Also, oil is also supplied under pressure to pipes which direct the oil stream against the dippers on the big end of connecting rod bearing cap, and the crankpin bearings are lubricated by the splash. After receiving his doctorate in or-ganic chemistry from Emory Univer-sity in Atlanta, Bob spent 12 years in several manufacturing and customer service positions with the DuPont Co. Have any questions about “Types of Lubrication System” ask in the comments. In this article, you’ll learn what is a lubrication system and different parts of lubrication system with images and PDF.. Lubrication is essentially required in motor vehicle maintenance. When the pump is in action, the oil-driven between the gear teeth from the inlet side. Following are the 8 different parts of lubrication system: Read also: Lubrication System in Automobile: Method, Purpose & Application. Water type oil coolers are more commonly used in lubricating system because then act as reversible coolers. A pressure relief valve is also provided in many oil pumps to relieve the excessive pressure due to high engine speeds or clogged oil lines. The drum is mounted eccentrically in the casing and contains two vanes with spring. A pressure relief valve is provided which automatically keeps the delivery pressure constant and can be set to High value. Piston pin bearing reached through a hole drilled in the connecting rod. The other gear free to revolve on its own bearing. From the pockets, the oil will reach the bearings surface through a drilled hole. Most of the oil from the pump goes directly to the engine bearings and a portion of the oil passes through a cartridge filter which removes the fluid particles from the oil. For lubrication purpose, it does not have any separate part like an oil pump. There is very little clearance between the teeth and housing of the gear. This type of gear pump is almost generally employed in automotive engines due to its simplicity in construction. H�b``������$����WR����~�������|@���T��#���2S/`M. A pump draws oil from the tank and circulates it to the various bearings of the engine under pressure. There are three types of the wet-sump lubrication system: Light-duty engines use this type of lubrication system. stream The oil is drawn by a pump and delivered through a distributing pipe in to the splash troughs A splasher or dipper is provided under each connecting road cap The water circulates outside the tubes in the casing of the cooler. Thus is the main disadvantages of this system. Fig shows an oil pressure warning lamp with a four-stage diaphragm operated switch. And the oil is close to where it will be applied, doesn’t have a lot of parts to repair, and is relatively safe to build in a car. The oil sticks on the stick which shows the oil level in the crankcase. In this way, the warning lights up only when the oil pressure falls below the value corresponding to the minimum engine speed. After lubrication, the oil is carried back to the oil sump. %PDF-1.5 %���� But the system in which the lubricating oil is not located in the oil sump is known as the dry pump system. ��x�zq��n���yF�����"d���]q7zF��}6�-II��X�\� This enables high bearing loads and engine speed to be applied than the splash system. The lubrication system is to provide a sufficient quantity of cooling and filtered oil to give proper lubrication to all the moving parts of an engine. The filtering element may be cleaned when clogged. 1422 0 obj <>/Filter/FlateDecode/ID[<79CE748757BF594E9F49B4FD6EF8BC23>]/Index[1414 19]/Info 1413 0 R/Length 58/Prev 481791/Root 1415 0 R/Size 1433/Type/XRef/W[1 2 1]>>stream 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9�� This filtering system is called a bypass filtering system. Since Bob is the modest type, please allow me a moment to tell you a little more about the man behind the keyboard. link to Pelton Wheel Turbine: Definition, Parts, Working, Advantages [Notes & PDF], link to Thermal Properties of Material: Definition with Example [Notes & PDF]. The oil level must be checked. Improper lubrication of the engine will cause serious trouble such as scored cylinders, dirty spark plugs, worn or burned-out bearings, misfiring cylinders, stuck piston rings, engine deposits and sludge and excessive fuel consumption. But the lubricating oil is added to the petrol itself during filling in the petrol tank of the vehicle in a specified ratio. The impure oil enters the hollow central spindle and through whole around its periphery, the oil goes to the rotor casing. To supply lubrication oil between the moving parts is simply termed as lubrication. He is also an author and editor at theengineerspost.com. Considering the nature of motion between moving or sliding surfaces, there are different types of mechanisms by which the lubrication is done. When fuel enters the crank chamber during engine operation, oil particles go down into the bearingsurfaces and lubricate them. endstream endobj 1418 0 obj <>stream Hello user, In the last article I have discussed the Mechanical Properties of Material you can read that article. One thing to understand about grease is that it is the oil that provides the actual lubrication not the grease itself. In these types of lubrication system, engine parts are lubricated under pressure feed. The alternate disc is mounted over a central spindle and the disc, between these, are fixed to a separate square rod. n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. endstream endobj startxref Saif M. is a Mechanical Engineer by profession. After lubricating these parts, the oil Bows back to the sump by gravity.

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