rotary part
51technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
52Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
53Moteur Wankel — Des pistons du moteur Wankel : ils ne sont pas cylindriques. Le moteur Wankel (/[ …
54Outer Hebrides — Eilean Siar and Western Isles redirect here. The term Na h Eileanan Siar (Western Isles), which redirects here, can also refer to the whole of the Hebrides. For the Scottish Parliament constituency, see Western Isles (Scottish Parliament… …
55Uninterruptible power supply — A small free standing UPS …
56Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …
57Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center …
58Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
59Mazda — This article is about a car manufacturer. For God in Zoroastrianism, see Ahura Mazda. For other uses, see Mazda (disambiguation). Mazda Motor Corporation Matsuda Kabushiki gaisha マツダ株式会社 Type Public (TYO …
60Wankel engine — The Wankel engine is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four stroke cycle is generally generated in a space between the inside of… …
