Internally cooling rotary compression equipment

Details Internally cooling rotary compression equipment Internally cooling rotary compression equipment

1998-01-15

2000-04-04

Denion, Thomas

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

418 94, 4182011, F01C 2104

Patent

active

060453435

ABSTRACT:
A rotary compression equipment includes: a housing having at least two intermeshing hollow rotors rotatably mounted in the housing by two shafts, each rotor formed with a hollow portion for passing a coolant in the hollow portion for cooling the meshing rotors when rotated, and a coolant passage formed in each shaft and fluidically communicated with the hollow portion in the rotor for leading coolant from the coolant passage into the hollow portion in the rotor for removing heat of the rotors outwardly for reducing thermal expansion of the rotary equipment and increasing the efficiency of the rotary equipment.

REFERENCES:
patent: 3535057 (1970-10-01), Kodra
patent: 5292237 (1994-03-01), Orimo et al.
patent: 5417551 (1995-05-01), Abe et al.
patent: 5924855 (1999-07-01), Dahmlos et al.

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