Valve for adjusting the air flow rate in an internal...

Details Valve for adjusting the air flow rate in an internal... Valve for adjusting the air flow rate in an internal...

2008-03-05

2010-10-19

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

With correlated flow path

Pipe coupling or union

C251S129110, C251S305000, C123S337000, C285S412000

Reexamination Certificate

active

07815167

ABSTRACT:
A valve for adjusting the air flow rate in an internal combustion engine; the valve presents: a valve body; a cylindrical tubular pipe obtained within the valve body and in which an air introduction channel is defined; a valve seat obtained along the air introduction channel of the tubular pipe; an actuation system; a shutter, mobile under the bias of the actuation system; and a connection flange, which is integral with a first end of the tubular pipe and presents a plurality of through holes which are crossed in use by corresponding fastening screws for rigidly fixing the valve body; the connection flange is provided with a lower plate and an upper plate, which are reciprocally parallel, facing and distanced and are arranged radially with respect to the cylindrical tubular pipe, and a number of ribs, which reciprocally connect the plates, are arranged perpendicularly to the plates, and are arranged axially with respect to the cylindrical tubular pipe.

REFERENCES:
patent: 5711271 (1998-01-01), Schlagmueller et al.
patent: 6119652 (2000-09-01), Waples et al.
patent: 6302452 (2001-10-01), Schlicht
patent: 6595185 (2003-07-01), Michels
patent: 7669572 (2010-03-01), Jury et al.
patent: 7735475 (2010-06-01), Farrell et al.
patent: 2006/0005809 (2006-01-01), Kado et al.
patent: 44 43 502 (1996-06-01), None

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