人人爽人人干,男女污视频在线观看,黑帮老大和我的365日2,久久亚洲成人av,亚洲日本一区二区三区,99er6免费热在线观看精品,亚洲一区免费看,91麻豆产精品久久久久久夏晴子

    Disc brake History

     

    Early experiments

    Development of disc brakes began in England in the 1890s.

    The first caliper-type automobile disc brake was patented by Frederick William Lanchester in his Birmingham factory in 1902 and used successfully on Lanchester cars. However, the limited choice of metals in this period meant that he had to use copper as the braking medium acting on the disc. The poor state of the roads at this time, no more than dusty, rough tracks, meant the copper wore quickly making the system impractical.

    The American Crosley Hot Shot is often given credit for the first production disc brakes. For six months in 1950, Crosley built a car with these brakes, then returned to drum brakes. Lack of sufficient research caused reliability problems, such as sticking and corrosion, especially in regions using salt on winter roads. Drum brake conversions for Hot Shots were quite popular. The Crosley disc was a Goodyear development, a caliper type with ventilated disc, originally designed for aircraft applications.

    Chrysler developed a unique braking system, offered from 1949 to 1953. Instead of the disc with caliper squeezing on it, this system used twin expanding discs that rubbed against the inner surface of a cast-iron brake drum, which doubled as the brake housing. The discs spread apart to create friction against the inner drum surface through the action of standard wheel cylinders. Because of the expense, the brakes were only standard on the Chrysler Crown and the Town and Country Newport in 1950. They were optional, however, on other Chryslers, priced around $400, at a time when an entire Crosley Hot Shot retailed for $935. This four-wheel disc brake system was built by Auto Specialties Manufacturing Company (Ausco) of St. Joseph, Michigan, under patents of inventor H.L. Lambert, and was first tested on a 1939 Plymouth. Chrysler discs were "self energizing," in that some of the braking energy itself contributed to the braking effort. This was accomplished by small balls set into oval holes leading to the brake surface.When the disc made initial contact with the friction surface, the balls would be forced up the holes forcing the discs further apart and augmenting the braking energy. This made for lighter braking pressure than with calipers, avoided brake fade, promoted cooler running, and provided one-third more friction surface than standard Chrysler twelve-inch drums. Today's owners consider the Ausco-Lambert very reliable and powerful, but admit its grabbiness and sensitivity.

    Racing breakthrough

    Reliable caliper-type disc brakes first appeared in 1953 on the Jaguar C-Type racing car. These brakes helped the company to win the 1953 24 Hours of Le Mans,developed in the UK by Dunlop. That same year, the aluminum bodied Austin-Healey 100S, of which 50 were made, was the first car sold to the public to have disc brakes, fitted to all 4 wheels.

    Mass production

    The first mass production use of the modern disc brake was in 1955, on the Citroën DS, which featured caliper-type front disc brakes among its many innovations. These discs were mounted inboard near the transmission, and were powered by the vehicle's central hydraulic system. This model went on to sell 1.5 million units over 20 years with the same brake setup.

    The Jensen 541, with four-wheel disc brakes, followed in 1956.

    Disc brakes were most popular on sports cars when they were first introduced, since these vehicles are more demanding about brake performance. Discs have now become the more common form in most passenger vehicles, although many (particularly light weight vehicles) use drum brakes on the rear wheels to keep costs and weight down as well as to simplify the provisions for a parking brake. As the front brakes perform most of the braking effort, this can be a reasonable compromise.

    Many early implementations for automobiles located the brakes on the inboard side of the driveshaft, near the differential, while most brakes today are located inside the wheels. An inboard location reduces the unsprung weight and eliminates a source of heat transfer to the tires.

    Historically, brake discs were manufactured throughout the world with a strong concentration in Europe and America. Between 1989 and 2005, manufacturing of brake discs migrated predominantly to China.

    2016-09-27 23:56:04
    主站蜘蛛池模板: 国产88在线观看入口| 国产一区二区视频免费在线观看| 午夜看片网| 久久三级精品| 7777久久久国产精品| 97国产精品久久久| 国产真实一区二区三区| 亚洲国产美女精品久久久久∴| 粉嫩久久99精品久久久久久夜| 福利片一区二区三区| 国产精品高潮呻吟三区四区| 久久九九国产精品| 国产精品一区二区日韩新区| 国产精品v欧美精品v日韩| 欧美3级在线| 理论片午午伦夜理片在线播放| 久久99精品国产麻豆宅宅| 日本一二三区电影| 久久中文一区二区| 九色国产精品入口| 国产综合亚洲精品| av不卡一区二区三区| 国产91综合一区在线观看| 欧美久久精品一级c片| 综合国产一区| 久久久久久国产精品免费| 99精品国产免费久久| 久久99精品国产| 国产九九影院| 香港三日三级少妇三级99| 99久久国产综合精品尤物酒店| 亚欧精品在线观看| 999亚洲国产精| 免费久久一级欧美特大黄| 欧美一级片一区| 精品国产一区在线| 999亚洲国产精| 国产1区2区3区中文字幕| 一区二区午夜| 欧美日韩一区电影| 日本高清二区| 一级久久精品| 69精品久久| 亚洲精华国产欧美| 对白刺激国产对白精品城中村| 福利片一区二区三区| 日韩av在线中文| 国产在线精品二区| 国产精品乱码一区| 国产精品国产三级国产aⅴ下载| 久久久久久久久久国产精品| 香港三日本8a三级少妇三级99| 二区三区视频| 久久不卡一区| 一区二区中文字幕在线| 国产欧美一区二区精品久久久| 久久国产这里只有精品| 99国产精品99久久久久久粉嫩| 日本激情视频一区二区三区| 国产乱码一区二区三区| 国产在线播放一区二区| 伊人av中文av狼人av| 国产品久精国精产拍| 国产一区=区| 久久精品视频一区二区| 农村妇女精品一二区| 国产精品久久国产精品99| 午夜影院一区二区| 午夜影院5分钟| 性生交片免费看片| 日本一二三区电影| 97涩国一产精品久久久久久久| 国产精品自拍不卡| 午夜免费av电影| 538国产精品一区二区免费视频| 夜夜躁日日躁狠狠久久av| 狠狠色狠狠综合久久| 精品国产乱码久久久久久久久| 国产电影一区二区三区下载| 999国产精品999久久久久久| 亚洲精品中文字幕乱码三区91| 亚洲va国产2019| 日本一区中文字幕| 国产日韩欧美亚洲| 国产一区免费在线观看| 国产精品久久91| 日韩精品人成在线播放| 99精品欧美一区二区| 8x8x国产一区二区三区精品推荐| 国产999在线观看| 日本一二三不卡| 91麻豆精品国产91久久久更新时间| 国产97在线播放| 欧美一区二区三区免费播放视频了| 精品国产一区二区三区四区四| 欧美三区视频| 91亚洲精品国偷拍| 九九热国产精品视频| 韩国女主播一区二区| 国产理论一区二区三区| 理论片午午伦夜理片在线播放| 久久99亚洲精品久久99| 好吊妞国产欧美日韩免费观看网站| 欧美日韩国产精品一区二区| 国产一级自拍片| 午夜伦理在线观看| 久久国产激情视频| 人人玩人人添人人澡97| 国产精品综合久久| 国产精品二区在线| 国产视频精品久久| 91精品啪在线观看国产| 国产一区二区国产| 久久国产精品免费视频| 久久一区二区三区欧美| 久久久久久亚洲精品| 国产高清在线精品一区二区三区| 精品久久久久99| 91国产一区二区| 欧美日韩一区二区电影| 久热精品视频在线| 91精品国模一区二区三区| free性欧美hd另类丰满| 免费的午夜毛片| 一区二区在线国产| 一区二区三区在线观看国产| 久久精品国产精品亚洲红杏| 日本高清二区| 国产一区二区三区黄| 91精品国产麻豆国产自产在线| 亚洲欧美制服丝腿| 欧美精品二区三区| 欧美精品一区久久| 亚洲欧美日韩综合在线| 美女啪啪网站又黄又免费| 国产欧美三区| 国产精品偷伦一区二区| 高清国产一区二区| 午夜性电影| 国产欧美一区二区三区在线播放| 农村妇女精品一区二区| 亚洲乱子伦| 久久国产中文字幕| 亚洲一二三四区| 欧美日韩国产免费观看| 91精品美女| 免费精品一区二区三区视频日产| 午夜黄色大片| 国产欧美日韩综合精品一| 欧美一区二区三区四区夜夜大片| 国产精品国产三级国产播12软件| 欧美精品日韩一区| 九九热国产精品视频| 久久久久久久久久国产精品| 国产午夜亚洲精品羞羞网站| 国产在线播放一区二区| 野花社区不卡一卡二| 国产在线视频99| 欧美一区二区三区久久综合| 狠狠色噜噜狠狠狠狠69| 久久精品亚洲精品| 日韩精品一区二区三区中文字幕| 99久久婷婷国产综合精品电影| 欧美人妖一区二区三区| 精品免费久久久久久久苍| 欧美高清xxxxx| 午夜天堂电影| 狠狠色狠狠色综合日日2019| 午夜一区二区三区在线观看| 91一区二区三区视频| 国产午夜精品一区二区理论影院| 国产在线视频99| 国产一区二区三区小说| 精品国产一区二区三区四区四| 自拍偷在线精品自拍偷写真图片| 国产性猛交| 人人要人人澡人人爽人人dvd| 国产高清在线观看一区| 国产v亚洲v日韩v欧美v片| 国产88在线观看入口| 日韩精品免费一区二区在线观看| 免费久久一级欧美特大黄| 欧美一区二区三区白人| 精品一区二区三区中文字幕| 91制服诱惑| 日韩久久电影| 欧美日韩精品在线一区二区| 国产一区影院| 精品国产免费久久| 日韩av不卡一区| 91偷拍网站| 国产免费一区二区三区四区| 亚洲欧美另类国产| 国产91丝袜在线熟| xxxx国产一二三区xxxx| 日本午夜精品一区二区三区| 精品国产一区二区三区忘忧草| 精品国产乱码久久久久久久| 99re国产精品视频| 国产日韩欧美精品一区| 国产一区二区麻豆| 在线观看国产91| 午夜肉伦伦| 日韩亚洲精品在线观看| 国产一区免费在线观看| 99国产精品免费| 午夜码电影| 国产精品国产三级国产专区51区| 国久久久久久| freexxxxxxx| 狠狠色狠狠色综合久久第一次| 国产欧美亚洲一区二区| 欧美日韩国产一二| 自拍偷在线精品自拍偷写真图片 | 亚洲国产精品区| 久久国产中文字幕| 精品国产一二区| 精品日韩久久久| 久久影院国产精品| 岛国黄色av| 亚洲精品91久久久久久| 日韩亚洲国产精品| 97久久超碰国产精品| 三级午夜片| 国产一区不卡视频| 精品欧美一区二区在线观看| 狠狠色丁香久久综合频道| 一区二区三区在线影院| 狠狠色噜噜狠狠狠狠69| 欧美精品一区久久| 午夜激情电影院| 久久免费精品国产| 亚洲欧洲日韩av| 国产一区在线视频观看| 狠狠操很很干| 欧美日韩一级二级三级| 亚洲国产精品一区在线| 国产乱人伦精品一区二区三区| 91精品啪在线观看国产手机| 色一情一交一乱一区二区三区| aaaaa国产欧美一区二区| 欧美日韩国产一级| 99久国产| 日韩欧美多p乱免费视频| 精品国产一区二区三区麻豆免费观看完整版| 国产原创一区二区 |