Drive shaft arrangement to reduce leakage in fluid machines

Details Drive shaft arrangement to reduce leakage in fluid machines Drive shaft arrangement to reduce leakage in fluid machines

1984-01-31

1985-11-05

Freeh, William L.

Motors: expansible chamber type

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

Motive fluid bypass to or from assembly

91496, F01B 1306

Patent

active

045506442

ABSTRACT:
In a fluid machine, wherein fluid flows through working chambers, as in pumps, compressors, motors, transmissions, a rotor and a drive shaft are revolvingly borne in the housing of the machine. Since slight departures of the axes of the rotor and shaft from each other might result in wearing of faces or in widened clearances in the machine, the shaft and rotor are coupled flexibly. The coupling is managed by providing the drive shaft with arms or fingers and the rotor with gaps whereby the gaps are extending into the axially seen medial rotor portion. The arms or fingers are engaging the walls of the gaps in the mentioned medial rotor portion, whereby tilting components of forces, which might occur, when the coupling would be on an axial end of the rotor, are prevented.

REFERENCES:
patent: 658014 (1900-09-01), Johnson
patent: 717897 (1903-01-01), McCulloch
patent: 932033 (1909-08-01), Krone
patent: 1843338 (1932-02-01), Roplogle

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