A bushing, also known as a bush, is an independent plain bearing that is inserted into a housing to provide a bearing surface for rotary applications; this is the most common form of a plain bearing. Common designs include solid (sleeve and flanged), split, and clenched bushings. A sleeve, split, or clenched bushing is only a “sleeve” of material with an inner diameter (ID), outer diameter (OD), and length. The difference between the three types is that a solid sleeved bushing is solid all the way around, a split bushing has a cut along its length, and a clenched bearing is similar to a split bushing but with a clench (or clinch) across the cut connecting the parts. A flanged bushing is a sleeve bushing with a flange at one end extending radially outward from the OD. The flange is used to positively locate the bushing when it is installed or to provide a thrust bearing surface.
A crankshaft is a mechanical part able to perform a conversion between reciprocating motion and rotational motion. In a reciprocating engine, it translates reciprocating motion of the piston into rotational motion; whereas in a reciprocating compressor, it converts the rotational motion into reciprocating motion.
In order to do the conversion between two motions, the crankshaft has “crank throws” or “crankpins”, additional bearing surfaces whose axis is offset from that of the crank, to which the “big ends” of the connecting rods from each cylinder attach.
A connecting rod is a shaft which connects a piston to a crank or crankshaft in a reciprocating engine. Together with the crank, it forms a simple mechanism that converts reciprocating motion into rotating motion.
A Flapper valve is a component used in different types of compressors for effective control of gas.
On a very general level a gasket might be defined as a flexible component that sits in-between two other surfaces. Gaskets are commonly made of a flexible material such as rubber, paper, or cork. In fact, there are many different materials that gaskets can be made out of, and so gaskets cannot simply be defined by means of the material that they are made out of. Gasket materials are, however, typically flexible, as they are usually compressed between two other surfaces. (Having said this, it is also possible to find gaskets made of metal: such as spiral wound, or copper head gaskets.Gaskets can be used for many different purposes, such as: sound and noise reduction, anti-vibration, packaging, hygiene, sealing, and as supports and mountings.
All compressors use oil in the crankcase regardless of whether you are using a non-lube or lubricated system.
The oil pump is used to keep the running gear components lubricated.
The function of an Oil Strainer is to remove system debris from the refrigerant oil.
Their purpose is to protect compressors and oil level regulators from damage.
A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod. In a pump, the function is reversed and force is transferred from the crankshaft to the piston for the purpose of compressing or ejecting the fluid in the cylinder. In some engines, the piston also acts as a valve by covering and uncovering ports in the cylinder.
Valve plates act as seals between different pressure zones in a compressor, allowing the refrigerant to flow from low pressure to high pressure regions.
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