Super charger with fluid biased heat shroud

Details Super charger with fluid biased heat shroud Super charger with fluid biased heat shroud

1976-05-19

1978-07-18

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415170A, 415178, 417407, F01D 508, F01D 2508

Patent

active

041012410

ABSTRACT:
A supercharger comprising a center housing, a turbine casing mounted on said center housing, a turbine shaft rotatably supported within said center housing, said turbine shaft having a turbine impeller at one end thereof within said turbine casing, a seal provided on said turbine shaft to prevent lubricant leakage from said center housing to said turbine casing, a heat shroud mounted on said turbine shaft between said center housing and said turbine casing, and a pressure hole formed in said heat shroud which permits communication of the inner and outer parts thereof thereby applying a high pressure in the inside part of said heat shroud to enhance sealing effect of said seal.

REFERENCES:
patent: 2492672 (1949-12-01), Wood
patent: 2730954 (1956-01-01), Hornschuch
patent: 2873945 (1959-02-01), Kuhn
patent: 3068801 (1962-12-01), Murray
patent: 3408043 (1968-10-01), Williams et al.
patent: 3652180 (1972-03-01), Choquette et al.
patent: 3754834 (1973-08-01), Wolters

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