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44-753: The Knorr-Bremse headquarters, the BMW Group Classic museum and the Zentrale Hochschulsportanlage as well as the subway station Oberwiesenfeld are next to the street. At the Anhalter Platz (a town square) is a former World War II Bunker. During the 1972 Olympics in Munich, the olympic press city was located at the Moosacher Straße. The street is named after the district Moosach . This German road or road transport-related article

88-595: A Südring (Southern Ring) and a Nordring (Northern Ring). The north-south S-Bahn link (with the North-South S-Bahn-tunnel as its core) divides the Ringbahn into a Westring (Western Ring) and an Ostring (Eastern Ring), crossing at Gesundbrunnen station in the north and both Schöneberg station and Südkreuz in the south. These four sections served as tariff zones of the suburban fare structure before World War II . Over time, these four rings ceased to exist with

132-603: A basic design, but before long, indirect automatic systems using control valves were developed. See History of rail transport in Germany for an overview. In 1920, the manufacturing plant of the first Bayerische Motoren-Werke AG (BMW, established in 1917/1918) located in Munich , Moosacher Straße, became a subsidiary of Knorr-Bremse, delivering brake systems as Süddeutsche Bremsen-AG for the Bavarian Group Administration ,

176-648: A complete circle. With the building of the Wall, the line was broken in two places: The building of the Berlin Wall in 1961 prevented continuous operation, after which passenger numbers on the West Berlin side, between Gesundbrunnen and Sonnenallee, declined. This was caused partly by a politically motivated call for a boycott, because revenue from the West Berlin S-Bahn, which was operated by East German railways, supported

220-587: A presence in over 30 countries, at 100 locations. In 2022, the Group's workforce of over 31,000 achieved worldwide sales of EUR 7.15 billion. The Germany engineer Georg Knorr established Knorr-Bremse GmbH in 1905 in Boxhagen-Rummelsburg , Neue Bahnhofstraße, outside Berlin (since 1920 part of Berlin- Friedrichshain ). From the onset, the company benefitted heavily from Knorr's prior experience working on railway braking systems at, Carpenter & Schulze ,

264-418: A properly provisioned train traveling from the suburbs to downtown Berlin. Originally, there were not even the necessary rails for continuing on the Ringbahn between Schöneberg and Papestraße stations. The Reichsbahn planned to replace the level crossings between the Ringbahn and Südringspitzkehre with over- and underpasses together with the building of the north-south S-Bahn line in the late 1930s, but this

308-436: A separate company that he owned. Knorr promptly put into production an innovative rapid release brake that could bring passenger trains to a halt faster, more safely and consistently. In 1911, the company merged with "Continentale Bremsen-GmbH" to found Knorr-Bremse Aktiengesellschaft (AG). From 1913 onwards, a second manufacturing plant, new headquarters, a heating plant and other annex buildings were erected. During 1918,

352-536: A single electronic-based system, possessing shorter response times and reduced braking distances compared to traditional pneumatic control, and thus greater safety. During the early 1990s, Knorr-Bremse's electro-pneumatic independent brake units were installed into the ICE 1 high speed trainsets operated by DB Fernverkehr . Between 1993 and 1994, the company was reorganised; the rail and commercial vehicles were separated into independent companies; thereafter, management pursued

396-593: A strategy orientated around international expansion. In 1999, a joint venture was created between Knorr-Bremse and Bosch . Three years later, the company acquired the American brake manufacturer Bendix Corporation . During late 2016, Vossloh Electrical Systems was acquired by the company. Knorr-Bremse long held a stake in one of its main European competitors, Haldex . During the mid 2010s, various parties submitted bids to fully acquire Haldex, including Knorr-Bremse;

440-455: Is a stub . You can help Misplaced Pages by expanding it . Knorr-Bremse Knorr-Bremse AG is a German manufacturer of braking systems for rail and commercial vehicles that has operated since 1905. Other products in the company's portfolio include intelligent door systems, control components, air conditioning systems for rail vehicles, torsional vibration dampers, and transmission control systems for commercial vehicles. The Group has

484-465: Is a 37.5 km (23.3 mi) long circle route around Berlin's inner city area, on the Berlin S-Bahn network. Its course is made up of a pair of tracks used by S-Bahn trains and another parallel pair of tracks used by various regional, long distance and freight trains. The S-Bahn lines S41 and S42 provide a closed-loop continuous service without termini. Lines S45, S46 and S47 use a section of

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528-434: Is called the "mushroom concept," the long-distance lines on the northern part of the ring for regional or long-distance services were rebuilt and electrified. On the ring line, regional and mainline services stop at Gesundbrunnen and regional services stop at Jungfernheide. The majority of the former ring line freight yards have been closed down or dismantled. Part of the former freight inner ring between Neukölln and Tempelhof

572-458: Is still used for freight, with a depot at Berlin-Moabit. The freight line is closed in the vicinity of Südkreuz and Ostkreuz. Branches from the ring line are: There are connecting curves between the ring line and the Stadtbahn at Ostkreuz and Westkreuz. The Südringspitzkehre spur to Potsdamer Bahnhof was closed in 1944 due to war damage and never rebuilt. Its reconstruction is being considered in

616-522: The Anhalter Bahnhof , but later to include the Schlesischer Bahnhof . It was laid in the streets, which disrupted traffic as well as local residents. Thus, in order to reduce disruption of traffic, trains ran at night, as the train bell had to be rung constantly. Plans were soon developed to build a ring line primarily for freight, running outside the then city limits. Funding for construction

660-535: The East German government. The East Berlin section, from Schönhauser Allee to Treptower Park, remained in operation as it formed part of a major north-south tangent. After the 1980 S-Bahn strike , service on the western part of the ring was suspended for about 13 years. On 9 January 1984, a treaty between East Germany and the West Berlin Senate came into force and turned over responsibility for operation of

704-570: The Prussian-Hessian Railway Company , to supply single-chamber express braking systems , first for passenger and later on for freight trains. The introduction of the "Knorr Druckluft-Einkammerschnellbremse" (K1) compressed-air brake, along with its derivatives, offered considerably enhanced safety performance compared with traditional systems. In the early twentieth century, train guards still had to operate brakes by hand, from so-called "brake vans". The first pneumatic brakes were of

748-410: The "screw concept," as trains entered the ring from the south at Neukölln and circled around it one and a half times, at the time the trip around the ring could not be achieved in less than 63 minutes. Since 28 May 2006, circular service has been operated as lines S41 (clockwise) and S42 (anticlockwise). Trains take around 60 minutes, running every five minutes in peak hours and every ten minutes between

792-537: The 1960s, Knorr-Bremse started offering a newly-developed air compressor program to customers; it also made greater use of compressed air to perform various functions, including air suspension , level regulation, pneumatic gearshifts , and door actuation. In 1969, it presented its first disc brake for heavy trucks at the IAA trade fair in Frankfurt ; it comprised a hydraulically -operated hinged caliper brake. By this point,

836-670: The Ringbahn comprises the "Berlin A" zone in the Verkehrsverbund Berlin-Brandenburg 's fare structure. The Ringbahn also serves as the border for Berlin's low-emission zone , established on 1 January 2008. In 1851, the Königliche Bahnhofs-Verbindungsbahn (Royal Station Connection Railway) was completed between the termini of some railroads terminating in Berlin: initially the Stettiner Bahnhof and

880-565: The S-Bahn in West Berlin to the West Berlin transport authority BVG . It was initially planned to restore the section between Westend and Sonnenallee . After German reunification in 1990, plans were changed, so that in 1993 the south ring was reopened to the junction with the line towards Baumschulenweg with a connection to the Goerlitz line . The reconstruction of the connection between Sonnenallee and Treptow Park required large-scale renovation that

924-930: The brakes division of Westinghouse Brake and Signal Company Ltd ), from Invensys , and subsequently moved its operations from Chippenham to the nearby English town of Melksham , Wiltshire . Since 2002, Knorr-Bremse has been working on variable gauge systems for more efficient solutions to break of gauge problems. Knorr-Bremse has been developing and manufacturing braking systems for commercial vehicles since 1920, for trucks and semi-trailer tractor units over 6 tonnes, buses , trailers or special vehicles. The product portfolio of Knorr-Bremse includes Rail vehicle control systems, Air supply , and control systems , HVAC systems, Driver assistance systems, Digital solutions for rail vehicles, Wheel-slip prevention systems, Vehicle safety systems, and On-board energy storage systems. Berlin Ringbahn [REDACTED] The Ringbahn ( German for circle railway)

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968-575: The business was reoriented around its core activities. By 1988, the Thiele family had acquired 100 percent of the shares in Knorr-Bremse AG. During 1987, the company revealed its prototype pneumatic disc brake; it would be a sales success, with 20 million Knorr-Bremse disc brakes being in operation across the world by 2024. In 1989, Knorr-Bremse also released its electronic braking system (EBS), which integrated brake control, ABS and traction control into

1012-466: The company became the first in Europe to develop a system that applied the brakes simultaneously to all four wheels of a truck as well as its trailer; the resultant reduction in braking distances made a significant contribution to improving road safety. By the end of the 1930s, around 90 percent of all trucks in Germany between 7 and 16 tonnes in weight had been equipped with Knorr-Bremse systems. During 1931,

1056-544: The company introduced the Kunze-Knorr freight train brake; for a time, Knorr-Bremse was the only supplier of these new brakes, not just in Germany and other European countries; the innovation was soon credited with a reduction in the rate of major accidents upon the railway. An early cornerstone of Knorr's commercial success was provided by an agreement with the Prussian State Railways , which at that time had formed

1100-494: The company introduced two key products, the automatic load-dependent braking system, that was designed to be effectively used on the increasing size, weight, and speed of trucks, and the Knorr Standard Brake (KE brake) train brake with graduated release control valve. The latter received International Union of Railways (UIC) approval and led to sales across 40 different countries, totaling almost 1.3 million units. During

1144-531: The company launched a new standard brake for trains, the Hildebrand-Knorr brake (HiK brake). Over the follow three years, improved models suited for a wider range of trains, including express trains, became available as well. Due to its effectiveness, the HiK brake was adopted by 17 countries; by 1955, there were roughly 280,000 units in operation worldwide. The Second World War impacted the company greatly. During

1188-627: The company was already undertaking research into advanced control systems, which included microelectronics and digital techniques, seeking to develop commercially viable innovations for sale. In 1973, Knorr-Bremse established the Knorr Brake Corporation with the purpose of developing a presence in the lucrative North American market. During 1981, the company undertook the first installation of an anti-lock braking system (ABS) as standard equipment upon trucks being produced by MAN Truck & Bus , which had partnered with Knorr-Bremse on

1232-614: The company's bid was observed by Haldex's board of directors as having been the most generous, but also to have "done nothing to eliminate or reduce the regulatory risk". By December 2016, it had purchased 86.1 percent of Haldex's shares to strengthen its takeover bid. During mid 2017, the European Commission launched an anti-trust probe into the acquisition. Knorr-Bremse ultimately chose to discountinue its bid, selling on all of its shares in Haldex by June 2022. On 13 October 2022, it

1276-594: The company's new main manufacturing plant in Berlin at the Hirschberger Straße/Schreiberhauer Straße next to the Berlin Ringbahn was erected, a tunnelled road permitted direct access between the old and the new sites. A second major sector of activity emerged during 1922 when Knorr-Bremse secured a patent for the use of pneumatic braking systems for commercial road vehicles. One year later,

1320-678: The conflict, Knorr-Bremse had manufactured the Swedish light MG35/36 machine guns AKA "Knorr-Bremse machine guns" on behalf of the Wehrmacht . At the conclusion of the war, Germany was split into West and East Germany ; the company's facilities in the eastern part of Berlin were quickly expropriated and dismantled by the Soviets as a part of war reparations . Little remained of the company's operations save for numerous blueprints that several employees had managed to retrieve. During 1946, Knorr-Bremse

1364-671: The development of ABS. Four years later, the company secured approval from the Association of American Railroads (AAR) for its recently developed DB 60 direct-release control valve for freight trains; via its US subsidiary , the DB 60 entered use in North America in 1985, where it was commonly used on exceptionally long freight trains hauled by multiple locomotives. In 1985, Knorr-Bremse GmbH merged with Süddeutsche Bremsen AG to form Knorr-Bremse AG, after which numerous structural changes were made and

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1408-500: The former "Royal Bavarian State Railways". There was no further interest in motor engines for aircraft and automobiles. The engine construction and the company name "BMW" were sold in 1922 to financier Camillo Castiglioni to be combined with the Bayerische Flugzeugwerke AG (BFW, located not far away), establishing the company a second time. For details see History of BMW and BFW/ Messerschmitt . Between 1922 and 1927,

1452-545: The need for trains to reverse there to continue their trip around the ring. Passengers could change at the Kolonnenstraße station across the platform to continue to ride on the Ringbahn without going all the way to the Potsdamer Ringbahnhof. From 1 January 1872 onwards, freight was carried on the line to freight yards separate from the passenger stations. The line was electrified in 1926. In 1930, ring line operation

1496-566: The peaks, and in the evenings, using the greatly accelerated 481/482 series trains. Some sections of the ring are used by other lines. On the southern ring from the Görlitz line in the southeast, line S47 terminates at Hermannstraße , S46 at Westend and S45 at Berlin Südkreuz station , with some terminating at Bundesplatz . On the eastern section of the ring, lines S8 , S85 and S9 operate between Schönhauser Allee and Treptower Park. Under what

1540-477: The removal of track connections. Only at Westkreuz does an original such track remain, used only for utility purposes. At Ostkreuz, a newly-designed bypass provides access to southern branches without having to enter the station. Gesundbrunnen is not a typical crossing, but rather has parallel tracks that curve to the south after leaving the station, allowing trains to run towards Südkreuz . The approximately 88-square-kilometre (34 sq mi) area encompassed by

1584-623: The ring was complete for freight and long-distance trains, while the suburban trains running on the Ringbahn would still visit and reverse at Potsdamer station in the city center , turning north from the ring, running parallel to the Berlin–Potsdam–Magdeburg Railway . This section from the actual ring into the Potsdamer ring station became known as the Südringspitzkehre ( Southern ring switchback or hairpin turn ), reflecting

1628-590: The side where there is the new Julius-Leber-Brücke ) to Potsdamer station (and, from 1891 onward, to a separate annex, Potsdamer ring station). From there, trains returned in the opposite direction. The line crossed the Anhalt Railway (and later the Royal Prussian Military Railway) on bridges. With the opening of the section from Schöneberg through the still-independent city of Charlottenburg (now Westend station ) to Moabit on 15 November 1877,

1672-555: The southern and western ring, while lines S8 and S85 use sections of the eastern ring. The combined number of passengers is about 400,000 passengers a day. Due to its distinctive shape, the line is often referred to as the Hundekopf (Dog's Head). The Ringbahn is bisected by an east–west railway thoroughfare called the Stadtbahn (city railway), which crosses the Ringbahn from Westkreuz (Western Cross) to Ostkreuz (Eastern Cross), forming

1716-581: Was announced that Knorr-Bremse AG had chosen Marc Llistosella to be a member of the Executive Board and CEO. The appointment takes effect as of 1 January 2023. In September 2024, the company acquired Alstom 's American rail signalling business for $ 690 million. Knorr-Bremse not only produces complete braking systems for all types of rolling stock but also door systems, toilets , air conditioning , couplings and windscreen wipers . In 2000, it purchased British manufacturer, Westinghouse Brakes (formerly

1760-491: Was combined with the Stadtbahn and suburban services as the Berlin S-Bahn . Since the trains were pulled by steam locomotives, they had to be refilled with water and coal and serviced at relatively short intervals; this was possible by reversing at Potsdamer Bahnhof. Even after electrification, the management of the railway company wanted to spare the passengers the need to change at the Papestraße or Schöneberg stations to

1804-460: Was not feasible in the short term. The western part of the ring line was put back into operation in stages: More than 12 years after the fall of the Wall, the last gap of the S-Bahn between Westhafen, Wedding and Gesundbrunnen, was fully restored on 16 June 2002. Promotional material for the reopening referred this as the "Wedding Day," an allusion to the English word "wedding." Services operated under

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1848-448: Was omitted as one of many planned changes after the proclamation of Hitler's Welthauptstadt Germania on 30 January 1937. In World War II , the Potsdamer and Anhalter stations were heavily bombed; the Südringspitzkehre was closed in 1944 and was never reopened. From 1944 until the construction of the Berlin Wall in 1961, S-Bahn trains ran over the direct line between Papestraße (now Südkreuz ) and Schöneberg opened in 1933, making

1892-460: Was possible only after the victory in the war with Austria of 1866 . The Lower Silesia-March [of Brandenburg] Railway Company was commissioned to construct and manage the line: construction began in 1867 and was completed in 1877. The first section opened on 17 July 1871 from Moabit through Gesundbrunnen , Central-Viehhof (now Storkower Straße ), Stralau-Rummelsburg (now Ostkreuz ), Rixdorf (now Neukölln ) and Schöneberg (later Kolonnenstraße, at

1936-664: Was re-established in Volmarstein , West Germany , and efforts commenced to rebuild the company proper. Three years later, its reconstruction was aided by the United States' Marshall Plan , which financed the Deutsche Bundesbahn 's building of 18,000 new freight cars equipped with Knorr-Bremse brake units. During 1953, its new headquarters were completed at the Süddeutsche Bremsen-AG plant in Munich . That same year,

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