Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Patent
1988-06-13
1990-02-20
Bennet, Henry A.
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
4151711, 277 13, 277 14R, F01D 1100
Patent
active
049021974
ABSTRACT:
A centrifugal type of pump, for example one used for compressing steam, is disclosed herein. This pump includes an impeller located within a pump housing and connected to a power driven shaft assembly extending through a cooperating opening in the housing from outside thereof so as to rotate with the shaft assembly about the axis of the shaft assembly relative to the housing, whereby to cause fluid in the housing, for example steam, to be centrifugally forced radially outward. The pump also includes a sealing arrangement for preventing the steam or other such fluid within the housing from escaping through the housing opening containing the shaft assembly. This sealing arrangement is designed to provide a continuous liquid seal extending circumferentially around an axial section of the shaft assembly within the housing opening and radially between the axial shaft section and housing druing operation of the pump, whereby to seal the opening against the passage of steam or other such fluid within the housing.
REFERENCES:
patent: 3455561 (1969-07-01), Rinker et al.
patent: 3728857 (1973-04-01), Nichols
patent: 3792935 (1974-02-01), Randell
patent: 3987973 (1976-10-01), Reinhall
patent: 4236867 (1980-12-01), Morris
patent: 4684318 (1987-08-01), Mulders
Pomeroy Dan M.
Rhodes Richard O.
Sears Stephan
Bennet Henry A.
Superstill Technology, Inc.
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