Fluid machine having balance correction

Details Fluid machine having balance correction Fluid machine having balance correction

1996-03-28

1998-08-25

Vrablik, John J.

Rotary expansible chamber devices

Weight balanced working member or partition

4182011, 4182061, F01C 116, F01C 2108

Patent

active

057977356

ABSTRACT:
An object of the present invention is to provide a rotor of a fluid machine in which the rotor can be made light in weight and moment of inertia of the rotor can be reduced and the rotor can be easily balanced in its rotating direction. In this rotor of a fluid machine, a fluid is compressed and pumped by a pair of rotors engaged with each other. A hollow portion is formed within a tooth stripe portion of one rotor. A thickness forming portion for a balance correction is formed in an opening portion of this hollow portion to balance the rotor in its rotating direction and is projected on an inner circumferential side of the hollow portion.

REFERENCES:
patent: 56614 (1866-07-01), Roots et al.
patent: 2325617 (1943-08-01), Lysholm et al.
patent: 2853766 (1958-09-01), Wellington
patent: 2857779 (1958-10-01), Frei
patent: 2905096 (1959-09-01), Thomas et al.
patent: 2944732 (1960-07-01), Lorenz
patent: 5290150 (1994-03-01), Takahashi et al.

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