Rotor bush assembly in fluid machines

Details Rotor bush assembly in fluid machines Rotor bush assembly in fluid machines

1984-11-29

1988-03-15

Croyle, Carlton R.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

92 58, F01B 1306

Patent

active

047305460

ABSTRACT:
A bush assembly is inserted into the rotor hub around a cylindrical control body which is partially extending into the bush to fill the interior of the bush. In such device, where fluid flows through the control body and the working chambers in the rotor of the machine, leakage escaped through the clearance between the control body and the rotor. Due to the novel bush assembly the respective high pressure is led through passages which extend half way around the bush into recesses diametrically located in the bush. There the pressure is utilized to press respective seal-portions towards the control body to at least partially seal the escape of leakage, while maintaining a radial pressure balance between the control body and the bush.

REFERENCES:
patent: 2213236 (1940-09-01), Benedek
patent: 2599609 (1952-06-01), Carey
patent: 3874272 (1975-04-01), Bosch
patent: 4131056 (1978-12-01), Rockwell

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