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Ziehl-Abegg
Ziehl-Abegg SE (own notation ZIEHL-ABEGG SE, until 2013 ''Ziehl-Abegg AG'') is a German manufacturer of fans for ventilation and air conditioning applications, as well as drive technology for elevators and motors with matching control technology. The company's headquarters are in Kuenzelsau, in Hohenlohekreis, Germany. The group owns * ZIEHL-ABEGG SE, Künzelsau (Headquarters) * Ziehl-Abegg Automotive GmbH & Co. KG, Künzelsau as well as all international subsidiaries. History In 1897, Emil Ziehl developed the first external rotor motor. In early 1910, the ''Ziehl-Abegg Electricity Company'' was founded in Berlin. Emil Ziehl and the Swiss engineer Eduard Abegg set up the company in Weißensee,The Electro-locomotives of the Berharnd Sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emil Ziehl
Emil Ziehl (1873 im Register der Neue Deutsche Biographie, Deutschen Biographie – 1 June 1939) was a Germans, German engineer and entrepreneur. He grew up with five other siblings in his father's blacksmith's and cart workshop in Brandenburg, and was supposed to start an apprenticeship in the family business. Due to the drawing talent shown by the young Ziehl, his teacher convinced Ziehl's father to send him to the Rackow Drawing School. He then continued his studies at the technical university in Brandenburg. Following his professor's recommendation, he started working at AEG (German company), AEG as an engineer. In the development of electro-motors, he pioneered in the messing and testing of generators. In 1897, he began at Berliner Maschinenbau, Berliner Maschinenbau AG, where he developed the first commutator (electric), rotor po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Günther Ziehl
Günther Ziehl (5 September 1913 – 20 July 2002) was a German engineer and businessman. His father, Emil Ziehl, founded ZIEHL-ABEGG, a company which was later led and rebuilt by Günther Ziehl. Childhood Günther Ziehl was born in Berlin-Weißensee. His father’s company had been in business for three years by then, and Emil Ziehl used to take his son with him to work. This woke Günther Ziehl's early interest for technology and motors. Start at ZIEHL-ABEGG After successfully passing the German Abitur, Günther Ziehl started his Engineering studies at the Technical University of Berlin in 1934. As his father laid on his deathbed in 1939, he gave Günther Ziehl full power of attorney and control over the company. At that time, Günther Ziehl was preparing to take his final university exams. Emil Ziehl’s will was for his son to inherit the company, so at the age of 25 Günther Ziehl became the owner and leader of ZIEHL-ABEGG. The young student was now responsible ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Societas Europaea
A ''societas Europaea'' (, ; "European society" or "company"; plural: ; abbr. SE) is a public company registered in accordance with the corporate law of the European Union (EU), introduced in 2004 with the Council Regulation on the Statute for a European Company. Such a company may more easily transfer to or merge with companies in other member states. As of April 2018, more than 3,000 registrations have been reported, including the following nine components (18%) of the Euro Stoxx 50 stock market index of leading eurozone companies (excluding the SE designation): Airbus, Allianz, BASF, E.ON, Fresenius, LVMH Moët Hennessy Louis Vuitton (and its parent company Dior), SAP, Schneider Electric and Unibail-Rodamco-Westfield. National law continues to supplement the basic rules in the Regulation on formation and mergers. The European Company Regulation is complemented by an Employee Involvement Directive which manages the rules for participation by employees on the company ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soviet Military Administration In Germany
The Soviet Military Administration in Germany (russian: Советская военная администрация в Германии, СВАГ; ''Sovyetskaya Voyennaya Administratsiya v Germanii'', SVAG; german: Sowjetische Militäradministration in Deutschland, SMAD) was the Soviet military government, headquartered in Berlin-Karlshorst, that directly ruled the Soviet occupation zone of Germany from the German surrender in May 1945 until after the establishment of the German Democratic Republic (GDR) in October 1949. According to the Potsdam Agreement in 1945, the SMAD was assigned the eastern portion of present-day Germany, consisting mostly of central Prussia. Prussia was dissolved by the Allies in 1947 and this area was divided between several German states ''(Länder)''. German lands east of the Oder-Neisse line were annexed by Soviet Union or granted to Poland, and Germans living in these areas were forcibly expelled, having had their property expropriated and been rob ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rotterdam
Rotterdam ( , , , lit. ''The Dam on the River Rotte'') is the second largest city and municipality in the Netherlands. It is in the province of South Holland, part of the North Sea mouth of the Rhine–Meuse–Scheldt delta, via the ''"New Meuse"'' inland shipping channel, dug to connect to the Meuse first, but now to the Rhine instead. Rotterdam's history goes back to 1270, when a dam was constructed in the Rotte. In 1340, Rotterdam was granted city rights by William IV, Count of Holland. The Rotterdam–The Hague metropolitan area, with a population of approximately 2.7 million, is the 10th-largest in the European Union and the most populous in the country. A major logistic and economic centre, Rotterdam is Europe's largest seaport. In 2020, it had a population of 651,446 and is home to over 180 nationalities. Rotterdam is known for its university, riverside setting, lively cultural life, maritime heritage and modern architecture. The near-complete destruction ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apeldoorn
Apeldoorn (; Dutch Low Saxon: ) is a municipality and city in the province of Gelderland in the centre of the Netherlands. It is located about 60 km east of Utrecht, 60 km west of Enschede, 25 km north of Arnhem and 35 km south of Zwolle. The municipality of Apeldoorn, including villages like Beekbergen, Loenen (Apeldoorn), Loenen, Ugchelen and Hoenderloo, had a population of 165,525 on 1 December 2021. The western half of the municipality lies on the Veluwe ridge, with the eastern half in the IJssel valley. The city of Apeldoorn The oldest known reference to Apeldoorn, then called Appoldro, dates from the 8th century. The settlement came into being at the point where the old road from Amersfoort to Deventer crossed that from Arnhem to Zwolle. A 1740 map refers to it as A''pp''eldoorn.Stenvert, R. et al. (2000). ''Monumenten in Nederland: Gelderland'', p. 14 and 68–77. Zwolle: Waanders Uitgevers. Close by is the favourite country-seat of the royal family of the Ne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Outrunner
An outrunner is an electric motor having the rotor outside the stator, as though the motor were turned inside out. They are often used in radio-controlled model aircraft. This type of motor spins its outer shell around its windings, much like motors found in ordinary CD-ROM computer drives. In fact, CD-ROM motors are frequently rewound into brushless outrunner motors for small park flyer aircraft. Parts to aid in converting CD-ROM motors to aircraft use are commercially available. Usually, outrunners have more poles, so they spin much slower than their inrunner counterparts with their more traditional layout (though still considerably faster than ferrite motors, when compared with motors that use neodymium magnets) while producing far more torque. This makes an outrunner an excellent choice for directly driving electric aircraft propellers since they eliminate the extra weight, complexity, inefficiency and noise of a gearbox. Some front loading direct-drive washing machines u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Synchronous Motor
A synchronous electric motor is an AC electric motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current; the rotation period is exactly equal to an integral number of AC cycles. Synchronous motors contain multiphase AC electromagnets on the stator of the motor that create a magnetic field which rotates in time with the oscillations of the line current. The rotor with permanent magnets or electromagnets turns in step with the stator field at the same rate and as a result, provides the second synchronized rotating magnet field of any AC motor. A synchronous motor is termed ''doubly fed'' if it is supplied with independently excited multiphase AC electromagnets on both the rotor and stator. The synchronous motor and the induction motor are the most widely used types of AC motors. The difference between the two types is that the synchronous motor rotates at a rate locked to the line frequency since it does not rely on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commercial Vehicles
A commercial vehicle is any type of motor vehicle used for transporting goods or paying passengers. The United States defines a "commercial motor vehicle" as any self-propelled or towed vehicle used on a public highway in interstate commerce to transport passengers or property when the vehicle: :1. has a gross vehicle weight rating of 4,536 kg (10,001 pounds) or more :2. Is designed or used to transport more than 8 passengers (including the driver) for compensation; :3. Is designed or used to transport more than 15 passengers, including the driver, not used to transport passengers for compensation; :4. Is used in transporting material found by the Secretary of Transportation to be hazardous. The federal definition though followed closely is meant to accommodate and remain flexible to each state's definitions. The European Union defines a "commercial motor vehicle" as any motorized road vehicle, that by its type of construction and equipment is designed for, and capable o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Motor Show Germany
The International Motor Show Germany or International Mobility Show Germany, in German known as the ''Internationale Automobil-Ausstellung'' (''IAA'' – International Automobile Exhibition), is one of the world's largest mobility shows. It consists of two separate fairs, that subdivided in 1991. While the ''IAA MOBILITY'' displays passenger vehicles, motorcycles and bikes, the ''IAA TRANSPORTATION'' specializes in commercial vehicles. Before the separation, the show was held solely at the Messe Frankfurt. The IAA is organized by the ''Verband der Automobilindustrie'' (VDA – Association of the German Automotive Industry) and is scheduled by the Organisation Internationale des Constructeurs d'Automobiles (OICA), who recognize the IAA as one of the "big five" (most prestigious auto shows worldwide). History In 1897 the first IAA was held at the Hotel Bristol in Berlin, with a total of eight motor vehicles on display. As the automobile became more known and accepted, the IAA bec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tomography
Tomography is imaging by sections or sectioning that uses any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, astrophysics, quantum information, and other areas of science. The word ''tomography'' is derived from Ancient Greek τόμος ''tomos'', "slice, section" and γράφω ''graphō'', "to write" or, in this context as well, "to describe." A device used in tomography is called a tomograph, while the image produced is a tomogram. In many cases, the production of these images is based on the mathematical procedure tomographic reconstruction, such as X-ray computed tomography technically being produced from multiple projectional radiographs. Many different reconstruction algorithms exist. Most algorithms fall into one of two categories: filtered back projection (FBP) and iterative reconstruction (IR). These procedures give inexact results: they represent a compr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Castor Oil
Castor oil is a vegetable oil pressed from castor beans. It is a colourless or pale yellow liquid with a distinct taste and odor. Its boiling point is and its density is 0.961 g/cm3. It includes a mixture of triglycerides in which about 90% of fatty acids are ricinoleates. Oleic acid and linoleic acid are the other significant components. Castor oil and its derivatives are used in the manufacturing of soaps, lubricants, hydraulic and brake fluids, paints, dyes, coatings, inks, cold-resistant plastics, waxes and polishes, nylon, and perfumes. Etymology The name probably comes from a confusion between the ''Ricinus'' plant that produces it and another plant, the ''Vitex agnus-castus''. An alternative etymology, though, suggests that it was used as a replacement for castoreum. Composition Castor oil is well known as a source of ricinoleic acid, a monounsaturated, 18-carbon fatty acid. Among fatty acids, ricinoleic acid is unusual in that it has a hydroxyl functional gro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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