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Pod Propulsion
An azimuth thruster is a configuration of marine propellers placed in pods that can be rotated to any horizontal angle (azimuth), making a rudder redundant. These give ships better maneuverability than a fixed propeller and rudder system. Types of azimuth thrusters There are two major variants, based on the location of the motor: # Mechanical transmission, which connects a motor inside the ship to the outboard unit by gearing. The motor may be diesel or diesel-electric. Depending on the shaft arrangement, mechanical azimuth thrusters are divided into L-drive and Z-drive. An L-drive thruster has a vertical input shaft and a horizontal output shaft with one right-angle gear. A Z-drive thruster has a horizontal input shaft, a vertical shaft in the rotating column and a horizontal output shaft, with two right-angle gears. # Electrical transmission, more commonly called pods, where an electric motor is fitted in the pod itself, connected directly to the propeller without ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siemens Schottel Propulsor
Siemens AG ( ) is a German multinational technology conglomerate. It is focused on industrial automation, building automation, rail transport and health technology. Siemens is the largest engineering company in Europe, and holds the position of global market leader in industrial automation and industrial software. The origins of the conglomerate can be traced back to 1847 to the ''Telegraphen Bau-Anstalt von Siemens & Halske'' established in Berlin by Werner von Siemens and Johann Georg Halske. In 1966, the present-day corporation emerged from the merger of three companies: Siemens & Halske, Siemens-Schuckert, and Siemens-Reiniger-Werke. Today headquartered in Munich and Berlin, Siemens and its subsidiaries employ approximately 320,000 people worldwide and reported a global revenue of around €78 billion in 2023. The company is a component of the DAX and Euro Stoxx 50 stock market indices. As of December 2023, Siemens is the second largest German company by market capitaliz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ABB Group
ABB Group is a Swedish-Swiss multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd., and headquartered in Zurich, it is dual-listed on the Nasdaq Nordic exchange in Stockholm, Sweden, and the SIX Swiss Exchange in Zurich. ABB was ranked 340th in the Fortune Global 500 list of 2020 and has been a global Fortune 500 company for 24 years. ABB was formed in 1988, when Sweden's Allmänna Svenska Elektriska Aktiebolaget (ASEA) and Switzerland's Brown, Boveri & Cie merged to create Asea Brown Boveri, later simplified to the initials ABB. Both companies were established in the late 1800s and grew into major electrical equipment manufacturers, a business in which ABB remains active. Its traditional core activities include power generation, transmission and distribution; industrial automation, and robotics. Between 1989 and 1999, the company was also active in the rolling stock manufacturing sector. Throughout the 1990s and 2000s, ABB acquired hundr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elmer A
Elmer is a name of Germanic British origin. The given name originated as a surname, a medieval variant of the given name Aylmer, derived from Old English ''æþel'' (noble) and ''mær'' (famous). It was adopted as a given name in the United States, "in honor of the popularity of the brothers Ebenezer and Jonathan Elmer, leading supporters of the American Revolution". The name has declined in popularity since the first decades of the 20th century and fell out of the top 1,000 names used for American boys in 2009. However, it continues in use for newborn boys in the United States, where 167 boys born there in 2022 received the name. The name is common in the United States and Canada. Elmar, a variant, was among the 10 most popular names for newborn boys in Iceland in 2021. Notable people with the name include: Mononym * Eilmer of Malmesbury (or Elmer), 11th-century English Benedictine monk * Elmer (rapper), Dutch rapper Merel Pauw * In North American amateur radio subculture, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schottel (company)
Schottel is a manufacturer of propulsion and steering systems for ships and offshore applications. The company founder Josef Becker invented the rudderpropeller, a z-drive, in 1950. Today the company develops and manufactures azimuth propulsion, maneuvering and steering systems. In 2014 the subsidiary Schottel Hydro was founded to bundle up the company activities in the hydrokinetic energy segment. History Early beginnings In 1921 Josef Becker (1897–1973) founded his craftsman's enterprise in an old farmhouse in Spay on the Rhine. In 1925 he designed and built his first shallop, followed by the first motorboat in 1928. In the mid 1930s Becker bought part of the present-day company premises and founded Schottel Werft. He named his enterprise after a section of the river Rhine which is called ''Auf der Schottel'' and located close by in Osterspai. From shipyard to ship propulsion With the beginning of the 1950s Becker started working on his invention, a ship propeller that is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Francis Ronalds
Sir Francis Ronalds Fellow of the Royal Society, FRS (21 February 17888 August 1873) was an English scientist and inventor, and arguably the first History of electrical engineering, electrical engineer. He was knighted for creating the first working electric telegraph over a substantial distance. In 1816 he laid an length of iron wire between wooden frames in his mother's garden and sent pulses using electrostatic generators. He also is known for creating the first electric clock in 1814. Upbringing and family Born to Francis Ronalds and Jane (née Field), wholesale cheesemongers, at their business premises at 109 Upper Thames Street, London, Thames Street, London, he attended Unitarianism, Unitarian minister Eliezer Cogan's school before being apprenticed to his father at the age of 14 through the Worshipful Company of Drapers, Drapers' Company. He ran the large business for some years. The family later resided in Canonbury Place and Highbury Terrace, both in Islington, at K ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tugboat
A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, such as in crowded harbors or narrow canals, or cannot move at all, such as barges, disabled ships, log rafts, or oil platforms. Some are ocean-going, and some are icebreakers or salvage tugs. Early models were powered by steam engines, which were later superseded by diesel engines. Many have deluge gun water jets, which help in firefighting, especially in harbours. Types Seagoing Seagoing tugs (deep-sea tugs or ocean tugboats) fall into four basic categories: #The standard seagoing tug with model bow that tows almost exclusively by way of a wire cable. In some rare cases, such as some USN fleet tugs, a synthetic rope hawser may be used for the tow in the belief that the line can be pulled aboard a disabled ship by the crew owing t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BPC Dixmude
BPC may refer to: *Bangladesh Parjatan Corporation, a government tourism organization of Bangladesh *''Bâtiment de projection et de commandement'' (projection and command ship), the ''Mistral'' class of amphibious assault ships *Battery Park City, a neighborhood in New York City *Belgian Poker Challenge, poker tournament that defines the Belgian Poker Champion *Bible Presbyterian Church, an American Protestant denomination *HP 2100#Descendants and variants, Binary Processing Chip *Bits per component (or per channel, or per color), bpc, defining color depth *Blais Proteomic Center, Molecular Biology Core Facilities, at Dana–Farber Cancer Institute *Bournemouth and Poole College, England *BPC, an international payments software provider, headquartered in Switzerland *BPC (time signal), a low frequency time code signal broadcast from China *BPitch Control, a German record label *Braspress Air Cargo, a brazilian cargo airline (ICAO code BPC) *Brewton–Parker College, Mount Vernon, G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drillship
A drillship is a merchant vessel designed for use in exploratory offshore drilling of new oil and gas wells or for scientific drilling purposes. In recent years the vessels have been used in deepwater and ultra-deepwater applications, equipped with the latest and most advanced dynamic positioning systems. History The first drillship was the ''CUSS I'', designed by Robert F. Bauer of Global Marine in 1955. The ''CUSS I'' had drilled in 400-foot-deep waters by 1957.Schempf, F. (2007). Pioneering Offshore: The Early Years. [Tulsa, OK]: PennWell Custom Pub. Robert F. Bauer became the first president of Global Marine in 1958. In 1961 Global Marine started a new drillship era. They ordered several self-propelled drillships each with a rated centerline drilling of 20,000 foot-wells in water depths of 600 feet. The first was named ''CUSS (GlobalSantaFe Corporation, Glomar) II'', a 5,500-deadweight-ton vessel, costing around $4.5 million. Built by a Gulf Coast shipyard, the vesse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drilling Rig
A drilling rig is an integrated system that Drilling, drills wells, such as oil or water wells, or holes for piling and other construction purposes, into the earth's subsurface. Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or natural gas extraction wells, or they can be small enough to be moved manually by one person and such are called auger (drill), augers. Drilling rigs can sample subsurface mineral deposits, test rock, soil and groundwater physical properties, and also can be used to install sub-surface fabrications, such as underground utilities, instrumentation, tunnels or wells. Drilling rigs can be mobile equipment mounted on trucks, tracks or trailers, or more permanent land or marine-based structures (such as oil platforms, commonly called 'offshore oil rigs' even if they don't contain a drilling rig). The term "rig" therefore generally refers to the complex equipment that is used to penetrate the surface of the Earth's ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semi-submersible
Semi-submersible may refer to a self-propelled vessel, such as: *Heavy-lift ship, which partially submerge to allow their cargo (another ship) to float into place for transport *Narco-submarine, some of which remained partially on the surface *Semi-submarine, which cannot fully submerge *Semi-submersible naval vessel, which partially submerges to minimize being observed *Semi-submersible platform, which is typically transported to a location where it is placed in service * Oil platform, a large structure with facilities for well drilling to explore, extract, store, and process petroleum and natural gas, in deeper water (more than 1,500 metres (4,900 ft)), the semisubmersibles or drillships are maintained at the required drilling location using dynamic positioning. See also * Submarine boat * Submersible A submersible is an underwater vehicle which needs to be transported and supported by a larger ship, watercraft or dock, platform. This distinguishes submersibles from submari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Controllable Pitch Propeller
Controllability is an important property of a control system and plays a crucial role in many regulation problems, such as the stabilization of unstable systems using feedback, tracking problems, obtaining optimal control strategies, or, simply prescribing an input that has a desired effect on the state. Controllability and observability are dual notions. Controllability pertains to regulating the state by a choice of a suitable input, while observability pertains to being able to know the state by observing the output (assuming that the input is also being observed). Broadly speaking, the concept of controllability relates to the ability to steer a system around in its configuration space using only certain admissible manipulations. The exact definition varies depending on the framework or the type of models dealt with. The following are examples of variants of notions of controllability that have been introduced in the systems and control literature: * State controllability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wärtsilä
Wärtsilä Oyj Abp (), trading internationally as Wärtsilä Corporation, is a Finnish corporation, Finnish company which manufactures and services power sources and other equipment in the Marine propulsion, marine and energy markets. The core products of Wärtsilä include technologies for the energy sector, including gas, multi-fuel, liquid fuel and biofuel power plants and energy storage systems; and technologies for the marine sector, including cruise ships, ferries, fishing vessels, merchant ships, navy ships, special vessels, tugs, yachts and offshore vessels. Ship design capabilities include ferries, tugs, and vessels for the fishing, merchant, offshore and special segments. Services offerings include online services, underwater services, turbocharger services, and also services for the marine, energy, and oil and gas markets. At the end of December 2023, the company employed 17,800 workers. Wärtsilä has two main businesses; Energy Business focusing on the energy marke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
