Patent ID: 6283740
Filing Date: 2001-09-04
Classification: F04C,Y10T

Abstract:
A pump comprising:a shaft extending through a rotor case before being connected to a rotor at a shaft/rotor connection, the rotor comprising an inside surface oppositely disposed to an outside surface of the shaft, the pump further comprising a seal assembly for providing a seal between the inside surface of the rotor and the outside surface of the shaft,the seal assembly comprising a sleeve support through which the shaft passes before the shaft is connected to the rotor, the sleeve support being connected to the rotor case, the sleeve support extending from the rotor case along the shaft towards the shaft/rotor connection, the sleeve support passing through an elongated seal,the elongated seal being accommodated in a seal housing and between the sleeve support and the seal housing, the seal housing being frictionally accommodated in the inside surface of the rotor and between the elongated seal and the inside surface of the rotor.