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NAPA Auto Parts was established in 1925. [30] Some NAPA Auto Parts stores are owned and operated by GPC, but most are independently owned and operated. [31] There were approximately 6,000 NAPA Auto Parts stores in 2020. [30] GPC acquired UAP Inc. of Canada in 1998 and the Australian car parts supplier Exego Group in 2013.
The National Automotive Parts Association (NAPA, also known as NAPA Auto Parts), is an American retailers' cooperative distributing automotive replacement parts, accessories, and service items throughout North America. Established in 1925, NAPA is a division of Atlanta-based Genuine Parts Company.
In 1957, Luther Kilness filed patent numbers 2,554,990 [4] and 2,981,389 [5] with the United States Patent Office. This design can be said to be the next evolution of the ratchet design of SK Hand Tools' Theodore Rueb. [2] This ratchet was a very successful design, lasting from its introduction in 1961 to the eventual closure of New Britain in ...
This is because a two-stage compressor derives its efficiency by pumping to a high pressure (150–175 PSI.) This pressure is inappropriate for the shop floor and must be dropped to (90–120 PSI.) The JT Dryer takes advantage of this pressure drop to remove moisture from the compressed air stream through the inherent refrigeration based on the ...
A compressor map is a chart which shows the performance of a turbomachinery compressor. This type of compressor is used in gas turbine engines, for supercharging reciprocating engines and for industrial processes, where it is known as a dynamic compressor. A map is created from compressor rig test results or predicted by a special computer program.
Atlas Copco companies develop, manufacture, service, and rent industrial tools, air compressors (of which it is the world's leading producer), [8] construction and assembly systems. The Group operates in four areas: Compressor Technology, Vacuum Technology, Power Technology and Industrial Technology. [9]
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.
A crankcase heater is an electrical component in a compressor in an air-conditioning system, heat pump system, or chiller system. The crankcase heater is normally on all the time, even when the unit is not running, though temperature sensors and set points may turn it off when not needed.