High-pressure disc thrust gas bearing adopting double symmetrical contraction sections for gas supply and design method
A technology of gas bearing and shrinkage section, which is applied in the field of high-pressure disc thrust gas bearings, and can solve the problems of unsatisfactory improvement of bearing capacity and lack of information.
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[0033] The present invention will be further described below with reference to the accompanying drawings.
[0034] see figure 1 , figure 2 , shows a high-pressure disc thrust gas bearing using double symmetrical contraction section gas supply, which includes:
[0035] The air supply holes 3 and 6 are opened at the center of the air supply parts 2 and 7 respectively, and are used to introduce the high-pressure gas in the pressure-stabilizing chamber to prepare it for entering the constricted sections 4 and 5 with a specific curved surface shape. The constricted sections 4 and 5 not only form an axisymmetric structure with respect to the rotation axis 0 alone, but also the shape and structure of the two are completely symmetrical with respect to the air film gap, so it is called gas supply using double symmetrical constricted sections.
[0036] The two gas supply components 2, 7 are used to connect the upstream surge chamber (not shown in the figure). In order to meet the ne...
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