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: 在线观看欧美日韩国产| 色噜噜狠狠色综合中文字幕| 狠狠色成色综合网| 99国产精品一区二区| 亚洲视频精品一区 | 国产一级片网站| 国产精品香蕉在线的人| 国产日韩欧美一区二区在线观看 | 国产午夜精品av一区二区麻豆| 久久综合久久自在自线精品自| 一区二区三区中文字幕| 欧美精品国产一区| 亚洲国产另类久久久精品性| 国产精选一区二区| 中文字幕二区在线观看| 国产99久久久国产精品免费看| 日韩精品人成在线播放| 69精品久久| 91精品系列| 久久精品综合视频| 久爱精品视频在线播放| 午夜伦情电午夜伦情电影| 欧美日韩综合一区| 日本一区二区三区免费在线| 欧美黄色一二三区| 理论片高清免费理伦片| 欧美一级久久久| 日韩三区三区一区区欧69国产| 97精品久久久午夜一区二区三区| 96国产精品| 99久久久久久国产精品| 久久国产精品-国产精品| 亚洲精品456在线播放| 日本精品一区二区三区视频| 国产1区2| 国产一区二区精品免费| 狠狠色噜噜狠狠狠狠黑人| 国语对白老女人一级hd| 精品一区二区超碰久久久| 午夜老司机电影| 日本一二三区视频在线| 日韩一区二区中文字幕| 欧美一区二区三区在线免费观看| 91福利视频免费观看| 久久人做人爽一区二区三区小说 | 久久久99精品国产一区二区三区| 国产一区二区三级| 日韩精品一区中文字幕| 久久久一区二区精品| 99精品欧美一区二区| 蜜臀久久99精品久久久| 国产欧美一区二区在线观看| 中文av一区| 高清国产一区二区| 久久精品一| 欧美激情视频一区二区三区| 中文字幕一区一区三区| 国产精品久久久久久亚洲调教| 欧美亚洲精品suv一区| 精品国产九九九| 91免费国产| 右手影院av| 国产日韩欧美亚洲综合| 91黄在线看 | 亚洲国产精品美女| 午夜影皖精品av在线播放| 国产精品视频一二区| 中文字幕国内精品| 女女百合互慰av| 久爱视频精品| 韩国视频一区二区| 综合久久一区| 精品久久久综合| 国产一区二区三区影院| 狠狠综合久久av一区二区老牛| 91精品国产91热久久久做人人 | 欧美精品一卡二卡| 欧美乱妇高清无乱码免费 | 日韩av在线电影网| 中文字幕一区2区3区| 久久不卡精品| 欧美69精品久久久久久不卡| 免费看农村bbwbbw高潮| 国产精品丝袜综合区另类| 日韩av中文字幕在线免费观看| 99久久免费精品国产免费高清| 国产极品美女高潮无套久久久| 国产69精品99久久久久久宅男| 午夜电影三级| 一区二区国产精品| 中文字幕一级二级三级| 欧美日韩精品中文字幕| 国产一a在一片一级在一片| 国产91热爆ts人妖在线| 久久免费精品国产| 午夜肉伦伦| 国产在线一区二区视频| 国产综合亚洲精品| 国产精品免费一视频区二区三区| 久久久久久久久久国产精品| 日本三级香港三级网站| 亚洲二区在线播放视频| 国产亚洲精品久久19p| 99久久精品免费看国产交换| 国内久久精品视频| 色婷婷综合久久久久中文| 精品久久一区| 国产亚洲精品久久午夜玫瑰园| 国产精品久久二区| 野花社区不卡一卡二| 亚洲高清国产精品| 国产伦精品一区二区三区照片91| 国产精品v欧美精品v日韩精品v | 91一区二区三区久久国产乱| 日韩亚洲欧美一区二区| 国产欧美一区二区三区沐欲| 国产97久久| 欧美精品一区二区三区四区在线| 国产不卡一区在线| 色综合久久久| 国产69精品久久久久久野外| 年轻bbwbbw高潮| 国产一区二区在| 午夜看片网| 国产亚洲精品久久久久秋霞 | 亚洲精品少妇一区二区| 99精品区| 伊人久久婷婷色综合98网| 久久精品国产99| 国产精选一区二区| 97精品国产aⅴ7777| 国产第一区二区| 欧美三区视频| 欧美性受xxxx狂喷水| 国产精品视频久久久久久 | 国产一区二区在线免费| 久久艹亚洲| 亚洲三区二区一区| 97视频一区| 日韩欧美中文字幕一区| 少妇高潮大叫喷水| 免费**毛片| www.日本一区| 日韩一区高清| 91午夜在线观看| 国产不卡网站| 最新国产精品久久精品| 99精品国产一区二区三区不卡| 国产精品一区二区毛茸茸| 91精品国产高清一二三四区| 中文字幕日本一区二区| 久久精视频| 亚洲国产aⅴ精品一区二区16| 曰韩av在线| 日本白嫩的18sex少妇hd| 日韩午夜电影院| 欧美xxxxxhd| 国产亚洲久久| 亚洲精品国产一区二| 日韩av视屏在线观看| 国产一区亚洲一区| 国产精品一区不卡| 日本午夜无人区毛片私人影院| 国产片91| 欧美性二区| 久久精品爱爱视频| 一区二区精品在线| 欧美乱妇高清无乱码免费| 国产日韩欧美精品| 欧美在线播放一区| 中文字幕av一区二区三区四区| 91视频国产一区| 最新国产精品自拍| 国产欧美日韩亚洲另类第一第二页| 精品999久久久| 亚洲欧美制服丝腿| 国产在线一区观看| 国产999在线观看| 国产一区二区视频在线| 国产69精品久久久久999天美| 97人人揉人人捏人人添| 激情久久久| 欧美日韩国产三区| 日韩不卡毛片| 午夜剧场a级免费| 亚州精品国产| 日韩欧美一区二区在线视频| 国产视频精品一区二区三区| 久久精品爱爱视频| 欧美国产三区| 久久一二区| 日韩欧美国产第一页| 午夜电影一区二区| 午夜精品一区二区三区aa毛片| 亚洲精品国产91| 91精品久久久久久| 狠狠插影院| 国产精品久久久久久久久久久新郎 | 中文字幕二区在线观看| 国产一区二区电影| 国产一二区在线| 国产视频二区| 日韩精品一区二区三区中文字幕| 久久夜色精品亚洲噜噜国产mv| 国产一区二区精品免费 | 97精品国产97久久久久久粉红 | 国产一区二区高潮| 蜜臀久久精品久久久用户群体| 99精品国产一区二区三区不卡 | 日韩av一区二区在线播放 | 国产二区视频在线播放| 中出乱码av亚洲精品久久天堂| 中文字幕日韩精品在线| 国产在线观看免费麻豆| 日韩一区免费在线观看| 蜜臀久久99精品久久一区二区| 国产一区二区片| 中文字幕日韩有码| 国产亚洲精品久久久久久久久动漫 | 99久久精品免费视频| 麻豆精品一区二区三区在线观看| 亚洲免费永久精品国产 | www.日本一区| 国产在线拍揄自揄拍| 国产老妇av| 亚洲国产精品激情综合图片| 中文字幕久久精品一区| 国产精品高潮呻吟88av| 亚洲精品丝袜| 日本看片一区二区三区高清| 久久99国产综合精品| 黄色香港三级三级三级| 国产精品久久久久久久久久久不卡| 国产日韩麻豆| 亚洲欧洲日韩在线| 午夜精品一区二区三区在线播放| 国产激情视频一区二区| 国产中文字幕91| 欧美高清性xxxxhdvideos | 亚洲一区中文字幕| 精品一区二区三区视频?| 日本一区二区电影在线观看| 日韩精品免费一区二区在线观看| 色婷婷精品久久二区二区蜜臂av| 中文乱码字幕永久永久电影| 国产乱人伦精品一区二区三区|