Automatically-operated self-sealing zero-spillage fluid coupling

Details Automatically-operated self-sealing zero-spillage fluid coupling Automatically-operated self-sealing zero-spillage fluid coupling

1986-03-04

1987-05-12

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761401, 13761405, F16L 3728

Patent

active

046641491

ABSTRACT:
A fluid coupling device have separable male and female sections. Each section has a ball valve mounted for rotational and axial movement relative to a housing. When the sections are joined together, each ball valve rotates automatically to a flow-permitting position. When the sections are separated, each ball valve rotates automatically to a flow-preventing position. The ball valves interfit with one another so that a minimum volume of fluid is lost when the sections are separated.

REFERENCES:
patent: Re27364 (1972-05-01), German
patent: 2440946 (1948-05-01), Hansen
patent: 2824755 (1958-02-01), Lamphear
patent: 3078068 (1963-02-01), Romney
patent: 3159180 (1964-12-01), Courdot et al.
patent: 4181149 (1980-01-01), Cox
patent: 4438779 (1984-03-01), Allread
patent: 4473211 (1984-09-01), Fremy

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