Auxiliary bearing having a graphite stator for a rotary shaft mo

Details Auxiliary bearing having a graphite stator for a rotary shaft mo Auxiliary bearing having a graphite stator for a rotary shaft mo

1989-03-31

1991-01-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 905, 384399, 3849071, H02K 516

Patent

active

049821261

ABSTRACT:
The auxiliary bearing comprises a chromium steel rotor (2) mounted on the rotary shaft (1), a graphite stator (3) mounted on the frame (5) and disposed to face the rotor (2) and to leave clearance relative thereto which is narrower than the air gap in the magnetic bearings which constitute the main supports of the rotary shaft, a network (4) of liquid feed channels opening out into the empty space between the rotor (2) and the stator (3), and selective control means for controlling the supply of liquid through said network of feed channels. The auxiliary bearing may be of the radial clearance type or of the axial clearance type.

REFERENCES:
patent: 1464569 (1923-08-01), Guptill
patent: 2086787 (1937-06-01), Whiteley
patent: 2921533 (1960-01-01), Williams
patent: 3411706 (1968-11-01), Woollenweber
patent: 4063786 (1977-12-01), Rall
patent: 4277111 (1981-07-01), Gray
patent: 4626754 (1986-12-01), Habermann
patent: 4629261 (1986-12-01), Eiermann
patent: 4795273 (1989-01-01), Henriksson

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