Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Reexamination Certificate
2007-08-14
2007-08-14
Denion, Thomas (Department: 3748)
Rotary expansible chamber devices
Interengaging rotating members
Helical or herringbone
C418S150000, C418S206500
Reexamination Certificate
active
11214876
ABSTRACT:
A double-lobe type rotor design process includes a process for forming a defined rotor and a process for forming a conjugate rotor, wherein the defined rotor and the conjugate rotor intermesh and conjugate to each other. The rotor profile curves suitably for the completed operation period of carryover, suction and exhaust could be well defined by proper parameters, thereby optimizing rotor performance, enhancing compression ratio, providing a smooth suction and exhaust process and avoiding noise and vibration.
REFERENCES:
patent: 4430050 (1984-02-01), Blazejewski
patent: 5149256 (1992-09-01), Schmitz
patent: 5669765 (1997-09-01), Moller et al.
patent: 5947713 (1999-09-01), Ohman et al.
patent: 6776594 (2004-08-01), Heng-I et al.
Feng-Ming Chuang
Heng-I Lin
Tien-Tung Chung
Denion Thomas
Duff Douglas J.
Liung Feng Industrial Co., Ltd.
Troxell Law Office PLLC
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