Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1987-07-24
1989-01-03
Nilson, Robert G.
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137587, 137845, 222209, F16K 2404
Patent
active
047949422
ABSTRACT:
An air breather plug assembly adapted for use in a transmission or trans-axle casing includes a cylindrical plug body detachably threaded into an upper portion of the casing and having an inner end portion which extends into an interior of the casing in a predetermined length, a cup-shaped baffle-plate fixedly coupled within the inner end portion of the plug body and being formed with a slot for permitting the flow of air passing therethrough, a cup-shaped seal member of elastic material fixedly coupled within an outer end portion of the plug body and spaced from the baffle-plate in a predetermined distance, the seal member being formed with a slit to be opened by an internal pressure applied thereto from the interior of the casing through the baffle-plate, and a cap fixedly coupled over the outer end portion of the plug body in such a manner as to allow the air flowing from the interior of the plug body to the exterior through the slit of the seal member.
REFERENCES:
patent: 2269679 (1942-01-01), Millenaar
patent: 2823694 (1958-02-01), Champion
patent: 2880744 (1959-04-01), Daley
patent: 3406862 (1968-10-01), Donaldson
patent: 3983891 (1976-10-01), Shoemaker
Ikemoto Kazuhito
Katayama Nobuaki
Matsuura Jun-ichi
Yasuda Mitsuyoshi
Nilson Robert G.
Toyota Jidosha & Kabushiki Kaisha
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