double helical wheel
1Gorlov helical turbine — A.M.Gorlov with his turbine. The Gorlov helical turbine (GHT) is a water turbine evolved from the Darrieus turbine design by altering it to have helical blades/foils. It was patented in a series of patents from September 19, 1995[1] to July 3,… …
2gear — Wheel like part with teeth cut into the rim. When one gear meshes with another gear, it causes the second gear to drive the other and in this way transmits power. When the gears are different sizes (different number of teeth on each gear) the… …
3Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …
4List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …
5Transmission (mechanics) — Gearbox redirects here. For the video game developer, see Gearbox Software. 5 speed gearbox + reverse, the 1600 Volkswagen Golf (2009). A machine consists of a power source and a power transmission system, which provides controlled application of …
6Herringbone gear — A herringbone gear, also known as a double helical gear,[1] is a special type of gear which is a side to side (not face to face) combination of two helical gears of opposite hands.[2] Un …
7Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… …
8Panther tank — Infobox Weapon name= Panther Ausf. A caption= Panther Ausf. A painted in one of many camouflage patterns origin= Nazi Germany type= Medium tank is vehicle=yes service= 1943 1945 (Nazi Germany) used by=Nazi Germany France wars= World War II… …
9BMW 1 Series — Infobox Automobile name=BMW 1 Series manufacturer=BMW production=2004 ndash;present predecessor=BMW Compact class=Small luxury car / small family car / Compact car layout=FR layout assembly=Leipzig, Germany Regensburg, GermanyThe BMW 1 Series… …
10Charles Grafton Page — (January 25, 1812 in Salem, Massachusetts – May 5, 1868 in Washington, D.C.) was an American electrical experimenter and inventor, physician, patent examiner, patent advocate, and professor of chemistry. Charles Grafton Page …
