A hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure that is applied by an external source of mechanical energy. The external source can be an engine, a spring, a raised weight, or a compressed gas.
invented by Alexander Parkes
Celluloids are a class of materials produced by mixing nitrocellulose and…
invented by Moritz Von Jacobi
An electric motor is an electrical machine that converts electrical energy into…
invented by James Fox
A planer is a type of metalworking machine tool that uses linear relative…
invented by Nicolaus August Otto
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in…
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