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A constant-velocity joint (also called a CV joint and homokinetic joint) is a mechanical coupling which allows the shafts to rotate freely (without an appreciable increase in friction or backlash) and compensates for the angle between the two shafts, within a certain range, to maintain the same velocity. A common use of CV joints is in front ...
The Tracta Gephi was his first design and it was this car that inspired him to design a constant velocity joint. All subsequent Tracta cars, and there were about two hundred manufactured between 1927 and 1932, used it. The first of these was raced at Le Mans in 1927 completing the 24-hour race. The Tracta cars used engines from S.C.A.P. from ...
It consists of a flexible joint fixed to each shaft. The two joints are connected by a third shaft, called the spindle. Each joint consists of a 1:1 gear ratio internal–external gear pair. The tooth flanks and outer diameter of the external gear are crowned to allow for angular displacement between the two gears.
Hardy Spicer is a brand of automotive transmission or driveline equipment best known for its mechanical constant velocity universal joint originally manufactured in Britain by Hardy employing patents belonging to US-based Spicer Manufacturing. Hardy and Spicer soon became partners. Later Spicer became Dana Holding Corporation.
Alfred Hans Rzeppa (January 23, 1885, Gliwice – January 1965) was an American engineer of Silesian descent working at Ford Motor Company who invented a version of constant-velocity joint in 1926. He proposed an improved design in 1936.
Unlike the Hooke's type universal joint which has a sinusoidal output, the Thompson coupling is a true constant velocity joint. Reference: cvcoupling.com - Simon Purser This page should not (just) give so much background about the automotive application, this is just an application and this article is about the CV joint itself.
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They used a front-wheel-drive system featuring Grégoire's patented Tracta constant-velocity joint and sliding pillar independent front suspension and a live axle with quarter-elliptic leaf springs at the rear. 1100, 1200, 1500 and 1600 cc engines made by S.C.A.P. were available with optional Cozette supercharger.