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2. Reciprocating compressor - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_compressor

   A reciprocating compressor or piston compressor is a positive-displacement compressor that uses pistons driven by a crankshaft to deliver gases at high pressure. [ 1 ] [ 2 ] Pressures of up to 5,000 psig are commonly produced by multistage reciprocating compressors.

3. Craftsman (tools) - Wikipedia

   en.wikipedia.org/wiki/Craftsman_(tools)

   Craftsman is a line of tools, lawn and garden equipment, and work wear. Originally a house brand established by Sears , the brand is now owned by Stanley Black & Decker . As with all Sears products, Craftsman tools were not manufactured by Sears during the company's ownership, but made under contract by various other companies.

4. O-ring - Wikipedia

   en.wikipedia.org/wiki/O-ring

   An O-ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, forming a seal at the interface.

5. Diaphragm compressor - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_compressor

   A diaphragm compressor is a variant of the classic reciprocating compressor with backup and piston rings and rod seal. The compression of gas occurs by means of a flexible membrane, instead of an intake element. The back and forth moving membrane is driven by a rod and a crankshaft mechanism.

6. Piston ring - Wikipedia

   en.wikipedia.org/wiki/Piston_ring

   Piston ring configurations: A) Rectangular section B) Barrel face C) keystone D) Torsional twist E) Taper face F) Dykes Which also differ for the type of retainer band: Y) Behind-band X) Above or under-band Or for the ends that work without firm stops: K) Step J) Oblique W) Oblique with step Piston ring. The piston ring (PR) is a split band ...

7. Crankcase dilution - Wikipedia

   en.wikipedia.org/wiki/Crankcase_dilution

   Other than the piston rings, “blow-by” gases can push the fuel oil past the rings and into the crankcase. [1] “Blow-by” gases are a mix of fuel oil and exhaust gases that push past the piston rings. Crankcase dilution is caused more when the lube oil is fresher. [3] Another cause of crankcase dilution is a slow or delayed injection ...

8. Rotary-screw compressor - Wikipedia

   en.wikipedia.org/wiki/Rotary-screw_compressor

   Consequently, air treatment identical to that used for an oil-flooded screw compressor is frequently required to ensure quality compressed air. In small piston compressors carpenters homeowners sometimes use "oil free" compressors in which oil free is a reference to not using oil but Teflon type of coatings permanently adhered to wear surfaces.

9. Grease fitting - Wikipedia

   en.wikipedia.org/wiki/Grease_fitting

   Grease fitting on a bearing A grease nipple on the driver's door of a 1956 VW Beetle. A grease fitting, grease nipple, Zerk fitting, grease zerk, Alemite fitting, or divit is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, into a bearing under moderate to high pressure using a grease gun.