Permanent-magnet eddy current retarder for vehicle
A permanent magnet eddy current and retarder technology, which is applied in the direction of permanent magnet clutches/brakes, etc., can solve the problems of complex structure of hydraulic retarder, high heat generation of electromagnetic coil, long action response time, etc., and achieve light weight, Low energy consumption and good magnetic sealing effect
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[0021] The embodiments of the present invention are as follows, see Figure 1~5 . The permanent magnet eddy current retarder for vehicles is composed of a stator assembly 17 and a rotor assembly 18. The stator assembly 17 is composed of a stator support 14 and 8 sets of magnetic switch assemblies 19 fixedly arranged on the stator support 14 in the circumferential direction. The left rotor disc 1 and the large end surface of the right rotor disk 10 is parallel to the end surface of the magnetic switch assembly 19 and has an air gap. The magnetic switch assembly 19 is mainly composed of a neodymium iron boron permanent magnet 8, a magnetic cylinder 7, a movable magnetic ring 5, a magnetic plate 4, a magnetic ring 3, and is fixed with the pressure plate 2 to form a closed cavity. The left air valve 11 and the right air valve 13 are respectively located on the left and right sides of the piston ring 6; the inner bottom of the open-end magnetic cylinder 7 is provided with a step counte...
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