Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1997-12-11
1999-11-02
Hepperle, Stephen M.
Fluid handling
Systems
Dividing into parallel flow paths with recombining
251310, F16K 510
Patent
active
059751355
ABSTRACT:
A linear turn down valve structure is disclosed, for gaseous fuels. The valve structure can advantageously be produced with aluminum alloys of die-casting grade, by means of a squeeze die-casting process. The valve structure comprises a valve body and a cap having register members to provide a self positioning and assembly of the main components of the valve. This eliminates the possibility of radial and axial misalignment thereof and secures a gas tight connection; a valve plug having passages in cooperation with a cap cam having three steps, to allow the safe switching of the continuous gas flow from maximum to minimum flow positions, as well as a safe turn-off position in a single operation; and a minimum flow control device to allow flow metering in order to permit the burners to operate with a wide variety of commercial gaseous fuels.
REFERENCES:
patent: 2583959 (1952-01-01), Mueller
patent: 2652225 (1953-09-01), Peterson et al.
patent: 2912881 (1959-11-01), Imhoff
patent: 3292660 (1966-12-01), Zarybnicky
Aguirre-Esponda Guillermo
Gonzalez-Rodriguez Jose-Sebastian
Gonzalez-Soto Roberto
Mejia-Favela Rey-Eladio
Trejo-Campos Jose
Acrotec, S.A. De C.V.
Hepperle Stephen M.
Vitromatic Comercial, S.A. De C.V.
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