Hose with a one-way valve for a vacuum operated servomotor

Details Hose with a one-way valve for a vacuum operated servomotor Hose with a one-way valve for a vacuum operated servomotor

1979-12-12

1981-10-20

Michalsky, Gerald A.

Motors: expansible chamber type

With motive fluid valve

Self-acting valve

1374542, 13754317, 137551, F15B 1304, F16K 1500

Patent

active

042954126

ABSTRACT:
A hose with a one-way valve used in a brake actuating system for automobiles. A one-way valve unit is housed in a flexible hose for connecting a booster shell of a servomotor with an intake manifold of the internal combustion engine so as to prevent leakage of vacuum. A valve housing receives therein a valve member and a valve spring thereby forming the one-way valve unit. The housing further has a valve seat, a cylindrical guide portion and an annular seal projection of diameter larger than the guide portion. A fastening band is provided on the outer periphery of the hose to prevent movement of the one-way valve and is marked with a mounting direction of the hose.

REFERENCES:
patent: 1207392 (1916-12-01), Frazier et al.
patent: 2996077 (1961-08-01), Taggert
patent: 3086544 (1963-04-01), Yost
patent: 3288142 (1966-11-01), Hakim
patent: 3387625 (1968-06-01), Laure
patent: 3725990 (1973-04-01), Petersen et al.
patent: 4195661 (1980-04-01), Takeuchi

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