Amsterdam, Netherlands
Amsterdam, Netherlands

Kardan University founded in 2003 in Kabul, Afghanistan is the first privately owned university in Afghanistan.It began its operation in a small classroom with 15 students in a country that was experiencing privatization in higher education for the first time. It has over 15,000 alumni as of 2014. The university quickly became one of the largest private higher education institutions in the country and later elevated to university status by the Ministry of Education.Kardan University offers courses in the disciplines of Management Sciences, Information Technology, Engineering, and Social Sciences at the graduate level, and Business Administration and International Relations at the masters level.Kardan University has two campuses in Kabul city. Wikipedia.


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The invention is an improvement for preventing entrance of impurity among the elements that allow axial motion in cardan shaft sliding assy (1) and protecting the sliding assy (1) and its elements, and it is characterized in that; it comprises an outer sealing ring assembly (11) in order to ensure said impermeability.


Patent
Kardan | Date: 2017-01-25

The invention relates to an alternative joining method in propeller shafts used in torque transmission in automotive sector developed by using riveting instead of welding so as to minimize the negative thermal effects of welded joints of tube (4) and solid piece (5).


Patent
Kardan | Date: 2017-03-01

The invention is an improvement on a piece called as bellows (5) and used for preventing entrance of impurities among the elements that allow axial motion in cardan shaft sliding assy (1), and it is characterized in that; it comprises addition of cord fabric (7) to said bellows (5) in order to increase the strength of the bellows (5).


Patent
Kardan | Date: 2014-11-19

The invention is cardan joint (1) embodiment located on cardan shafts transmitting rotation motion and torque on motorised vehicles, and it is characterised in that; it comprises a spherical joint support member (20) that is coincident with cardan joint (1) and its centre (M), comprised of a sphere (23) and a spherical bushing female piece (22) having bushing geometry suitable for said sphere and capable of sliding one over another and a spider piece (12) having middle hub space suitable for placing of spherical joint support member (20). By means of spherical joint support member (20) located in the centre of spider (12), reduction of the loads on the spider (12) bearings (13) and the arms thereof by meeting axial forces is achieved.


The present invention relates to a ring component (11) operating between the inner surface of a female component (21) and the outer surface of a male component (22) which forms a sliding assy (20) structure in cardan shafts, making the grease distribution uniform between the spline surfaces (28) co-operating between the female and male components in contact with each other, and therefore makes the sliding force uniform, and prevents formation of vibration, noise and similar negative effects caused by gaps between the spline surfaces (28).


An apparatus (300) fixing a tube-yoke (200; see figure 1) of a universal joint to a CNC chuck (100) of a CNC (metal cutting) machine tool to enable the execution of the machining of the cross holes (see regions X and X1 of figure 1) and turned diameters (A, B; see region Y of figure 1) of the tube-yoke (200) in a single set-up without the removal of the tube-yoke (200) from the machine tool comprises a main body (301) and a main connection component (305) for fixing this main body (301) to the CNC chuck (100), a centering part (302) on which said tube-yoke (200) can be fixed, and which is fixed to the main body (301) via connection components (303, 310). The structure of the centering part enables the machining of the cross holes (see regions X and X1 of figure 1) and the turned diameters (A, B; see region Y figure 1) of the tube-yoke (200).


The invention relates to a sliding set sealing structure (20) comprising a first lip (24) and a second lip (25) which provide sealing and scraping of cardan shaft (10) comprising a sleeve yoke (11) with spline form on the internal diameter and stopper form (22) on the end of the external surface, a yoke shaft (12) with spline form on the external diameter and a protective cover (13) located on said yoke shaft (12). The invention is characterized in comprising a rigid front scraping lip (26) with front scraping feature on one end, which contacts with said sleeve yoke (11).


Patent
Kardan | Date: 2015-12-30

A center bearing diaphragm (300) which provides radial and axial freedom of motion to the drive shaft and comprises a diaphragm made of an elastic material and the inner and outer surfaces (306, 307) of which are supported by a bearing cup and a mounting plate, respectively, and a bearing which is centered by said bearing cup, characterized in that said diaphragm comprises a cord fabric (305) having a multiple number of layers and lattice structures.


Patent
Kardan | Date: 2016-01-20

The present invention is bi-directional breather plug (20), which prevents the intake of dust and undesirable impurities into the cardan shaft (10) from the outer environment, and the sleeve yoke (12) of which is adapted at the mounting wall (17) of yoke opening (16), characterized in comprising a main body (21) having a filter housing (25) fixed to the mounting wall (17) of yoke opening (16) of said sleeve yoke (12), a filter (22) positioned in the filter housing (25) of said main body (21), filter sheet embedded and mounted in the filter housing of said main body (21), and a cover (24) that is fixed on the filter sheet (23) by fitting at the mounting axis (X).


The invention relates to a centering body (11) which provides the spider body (17) having spider arms (18) to be embedded in a manner to rotate in the double cardan joints (10), the centering body (11) comprising connection flanges (12) with an extension integrated with said centering body (11) and bearing bushing housings (14) which are formed for embedding the spider arms (18) to said connection flanges (12). The invention also relates to a corresponding method of making the centering body (11).

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