Air-admitting guide member

Details Air-admitting guide member Air-admitting guide member

2011-06-07

2011-06-07

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

With flow regulators and/or baffles

C138S039000, C138S044000, C366S338000

Reexamination Certificate

active

07954514

ABSTRACT:
An air-admitting guide member comprises an inflow end; an outflow end disposed on an inlet of a mechanical device; an elongated straight flow hole defined between the inflow and outflow ends; a plurality of rotational flow holes spaced apart respectively and each being defined between the inflow end and the outflow end, a diameter of the rotational flow hole being more than that of the straight flow hole and a bottom end thereof flushing with an end surface of the outflow end, the outflow end including a plurality of annular bores arranged on the end surface thereof and formed in a swirl shape toward the inflow end, an inner wall of the inflow end being formed in a tilted arc shape and including a stream-line sector end portion, the rotational flow hole including two openings arranged on two ends thereof individually, and projected shadows of the openings overlapping each other.

REFERENCES:
patent: 4208136 (1980-06-01), King
patent: 4614440 (1986-09-01), King
patent: 4848920 (1989-07-01), Heathe et al.
patent: 5489154 (1996-02-01), Algreen-Ussing
patent: 6848477 (2005-02-01), Treusch et al.
patent: 2003/0178077 (2003-09-01), Ramirez-Rivera
patent: 2005/0039809 (2005-02-01), Speldrich

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