Rotor seal for wave compression turbocharger

Details Rotor seal for wave compression turbocharger Rotor seal for wave compression turbocharger

1980-05-05

1983-01-18

Croyle, Carlton R.

Pumps

Gas pressure exchange using rotary cellular conveyor

F04F 1100

Patent

active

043690203

ABSTRACT:
A wave compression turbocharger has a rotor journalled for rotation about its axis, a first housing, through which air at ambient conditions is admitted to the rotor and from which compressed air is discharged from the rotor. Mounted at one axial end of the rotor, a ceramic port plate has inlet and outlet passages through which exhaust gas enters and exits the rotor. A ceramic spacer extends along the length of the rotor and positions the port plate with respect to the adjacent rotor face and with respect to the first housing. An exhaust gas housing, mechanically joined to the first housing, encapsulates the rotor and the spacer. A preloaded spring applies a clamping force to the spacer holding it in contact with the first housing and accommodates the differences in thermal expansion between the rotor and the exhaust gas housing.

REFERENCES:
patent: 2766928 (1956-10-01), Jendrassik
patent: 3341112 (1967-09-01), Barnes
patent: 3342403 (1967-09-01), Brown et al.
patent: 3802801 (1974-04-01), Wunsch
patent: 3975165 (1976-08-01), Elbert et al.
patent: 4083650 (1978-04-01), Zboril
patent: 4269570 (1981-05-01), Rao
patent: 4274811 (1981-06-01), Rao

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