Clamshell throttle valve assembly

Details Clamshell throttle valve assembly Clamshell throttle valve assembly

1998-03-30

1999-11-09

Fox, John

Valves and valve actuation

Rotary valves

Butterfly

123337, F16K 122

Patent

active

059798718

ABSTRACT:
A combustion engine throttle valve includes a multipiece clamshell throttle body which is divided along an axis of rotation of a throttling member subassembly, which may be placed within the throttle body as one component. The throttle body further includes a face sealing ledge within the throttle body's air conduit, with the ledge being positioned so that the throttle plate will be in contact with the ledge when the plate is in the closed position, and such that the plate pivots perpendicularly off the ledge when opening. The clamshell design permits greater use of lighter plastics in place of metallic components and minimizes the number of parts through incorporation of plastic injection molding techniques.

REFERENCES:
patent: 4465260 (1984-08-01), Conley et al.
patent: 4774750 (1988-10-01), Platusich
patent: 4777977 (1988-10-01), Platusich
patent: 4907553 (1990-03-01), Porter
patent: 5275375 (1994-01-01), Semence
patent: 5497081 (1996-03-01), Wolf et al.
patent: 5632245 (1997-05-01), Ropertz
patent: 5666988 (1997-09-01), Becker
patent: 5687691 (1997-11-01), Kaiser et al.

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