Rotary kinetic fluid motors or pumps – Runner has spirally arranged blade or fluid passage – Extending along runner axis
Reexamination Certificate
2005-04-19
2005-04-19
Verdier, Christopher (Department: 3745)
Rotary kinetic fluid motors or pumps
Runner has spirally arranged blade or fluid passage
Extending along runner axis
C415S176000, C415S177000, C415S178000, C416S176000, C416S177000
Reexamination Certificate
active
06881026
ABSTRACT:
A screw compressor includes a housing and a screw rotor disposed in the housing and rotatable relative to the housing for compressing a refrigerant, the housing and the screw rotor having a rest condition, and an operating condition wherein at least one of the housing and the rotor deflect from the rest condition, and structure for at least one of reducing deflection from the rest condition and evenly distributing deflection from the rest condition when the rotor is in the operating condition, whereby clearance between the housing and the rotor is optimized in the operating condition.
REFERENCES:
patent: 3-78594 (1991-04-01), None
Bush James William
Daniels Mark
Lifson Alexander
Lin Reng
Rousseau William
Bachman & LaPointe
Carrier Corporation
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