Turbomachine seal system

Details Turbomachine seal system Turbomachine seal system

1979-12-26

1982-08-10

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Including means for handling portion separated from working...

415175, F01D 1100

Patent

active

043435912

ABSTRACT:
A turbomachine seal system includes first and second seal members spaced axially about the shaft to define therebetween a first annular chamber. One of the seal members limits the flow of oil from a first portion of the turbomachine towards a second portion thereof. The second seal member limits the flow of process gas from the second portion of the turbomachine towards the first portion thereof. Pressure reducing means is connected to the chamber for reducing the pressure therein below the pressure in the first and second portions of the turbomachine for preventing oil from flowing from the first portion from migrating into the second portion.

REFERENCES:
patent: 1761702 (1930-06-01), Bradford et al.
patent: 3051497 (1962-08-01), Wigg et al.
patent: 3180568 (1965-04-01), Oettle

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