Rotary kinetic fluid motors or pumps – With changing state confined heat exchange mass
Patent
1979-03-19
1980-09-16
Footland, Lenard A.
Rotary kinetic fluid motors or pumps
With changing state confined heat exchange mass
415180, 308 77, 308189R, F01D 508
Patent
active
042227054
ABSTRACT:
A bearing mounting with cooling means is provided which is particularly suited for use in turbine engines. The device comprises a housing coaxially connected to a rotating shaft while a bearing is operatively disposed between a relatively stationary member and one end of the housing. A heat sink, which can comprise one or more stages of compressor for the turbine engine, is connected to the other end of the housing. An annular fluid chamber is formed axially along the housing between its ends and tapers radially outwardly from the second end and to the first end of the housing. The annular chamber is partially filled with a heat conductive liquid. Heat energy from the bearing is conducted to the liquid which vaporizes and expands toward the second end of the housing whereupon the heated gas transfers its heat energy to the heat sink and recondenses. The recondensed liquid is then returned by centrifugal force to the first end of the housing.
REFERENCES:
patent: 3630582 (1971-12-01), Maire
patent: 3645593 (1972-02-01), Irwin
patent: 3753463 (1973-08-01), Segelken et al.
patent: 3909085 (1975-09-01), Wilkinson et al.
Footland Lenard A.
Teledyne Industries Inc.
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