Table of Contents
What is forced lubrication system?
Forced feed system, the lubricating oil is supplied by a pump under pressure to all parts requiring lubrication as shown in below figure. The oil under the pressure is supplied to main bearings of the crank shaft and camshaft. a pressure gauge is provided to confirm the circulation of oil to various parts.
How are steam turbines lubricated?
Most turbines have hydraulic control systems that use lubricating oil as the working fluid and lubricating system pressure as the actuating force. Steam turbines cannot operate without lubrication. Therefore, turbine lubricating oil systems must be designed, operated and maintained for extreme reliability.
What are the procedures of lubricating oil system?
Lubricating oil system: Lubricating oil for an engine is stored in the bottom of the crankcase, known as the sump, or in a drain tank located beneath the engine . The oil is drawn from this tank through a strainer, one of a pair of pumps, into one of a pair of fine filters.
What is the purpose of the lubricating oil system?
The purpose of a lube oil system is to continuously provide cool, clean oil to the bearings and gear (if applicable) at the proper pressure, temperature, and flow rate. Therefore, the major components of any lube oil system are as follows: Reservoir. Main and auxiliary pumps.
Where is forced lubrication used?
Forced lubrication of engines is not a new idea. It has been successfully used for years in dynamo and blower engines of high rotary speeds, and is today the general practice for tur- bine and internal-combustion engines.
In which of the following system lubricating oil is carried in?
Pressurized lubrication system: In this system, the lubricating oil is circulated to all the moving parts of the engine under pressure, by the oil pump driven by the camshaft. The oil for lubrication is taken from the sump by oil pump through the strainer.
Which of the following is the function of lubricating oil in a steam turbine?
A steam turbine oil’s most important functions are to: Lubricate bearings, both journal and thrust. Depending on the type of installation, this also may include the hydraulic control system, oil shaft seals, gears and flexible couplings.
Which oil is used in steam turbine?
It is important to have an understanding of the physical and chemical characteristics of turbine oils compared to other lubricating oils before embarking upon the selection process. Steam, gas and hydro turbines operate on a family of lubricating oils known as R&O oils (Rust & Oxidation inhibited oil).
Which lubrication system is generally used?
2. In most automobiles, which lubrication system is commonly used? Explanation: Pressure type lubrication is used commonly in most automobiles. In this system, oil is drawn in from the sump and forced to all the main bearings of the crankshaft through distributing channels.
How does a force feed lubrication system work?
In force fed lubrication systems, an oil pump pressurizes the oil, which is then directed to the rotating component. Oil from the gear box is collected and sent to the oil reservoir; the oil pump takes suction from the reservoir, and the pump discharges oil through an oil cooler and back to the gear box.