Single-stage blade pump for dimethyl ether vehicle
A vane pump, dimethyl ether technology, applied in pumps, rotary piston pumps, rotary piston machines, etc., can solve the problems of difficult application and promotion of clean energy, damage to skeleton seals, and increased maintenance costs. The problem of short service life of the skeleton seal, the effect of prolonging the service life and improving the working conditions
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[0018] In the figure 1. blade, 2. shaft pin screw, 3. screw, 4. end cover, 5. pump cavity (stator), 6. oil inlet ring, 7. small oil passage, 8. pump body bushing, 9. Skeleton seal, 10. Retaining ring, 11. Circlip, 13. Shaft, 15. Oil outlet cavity, 16. Spiral oil line.
[0019] figure 1 On the inner surface of the pump body bushing 8 and along the axial direction, a helical oil line 16 is installed, the shaft 13 is put into the inside of the pump body bushing 8, the upper end of the shaft 13 is equipped with the blade 1, and the lower end of the shaft 13 is equipped with the skeleton seal 9. Install retaining ring 10, install circlip 11, install pump cavity 5 and end cover 4 on the upper part of pump body bushing 8, and screw 3 to fasten pump body bushing 8, pump cavity 5 and end cover 4 on Together, finally install the shaft pin screw 2; the oil inlet ring 6, the small oil passage 7, the helical oil line 16, and the oil outlet chamber 15 form an oil return path to communicate...
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