Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion
Reexamination Certificate
2009-02-24
2010-11-30
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
With mechanical sealing
Axially movable end wall or end wall portion
C418S259000, C418S268000
Reexamination Certificate
active
07841846
ABSTRACT:
A vane pump according to the present invention is characterized in that a position of a first suction port located in the forward rotation direction of a rotor is brought closer to a suction port than a position of a second suction port located in the backward rotation direction of the rotor with the suction port as reference by positioning a side plate in the state where the discharge port is brought close to a mounting portion.
REFERENCES:
patent: 2642802 (1953-06-01), Gardiner
patent: 4842500 (1989-06-01), Fujie et al.
patent: 5201878 (1993-04-01), Abe et al.
patent: 6082983 (2000-07-01), Hayashi et al.
patent: 6234776 (2001-05-01), Hayashi et al.
patent: 6648620 (2003-11-01), Yamauchi et al.
patent: 62271982 (1987-11-01), None
patent: 2004084565 (2004-03-01), None
Fujita Tomoyuki
Noda Tomomi
Noguchi Eishin
Shiozaki Hiroshi
Yakabe Shinji
Bemko Taras P.
Hiroe & Associates
Kayaba Industry Co., Ltd
Trieu Theresa
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