Multiline check valve assembly

Details Multiline check valve assembly Multiline check valve assembly

1990-08-09

1991-06-04

Hepperle, Stephen M.

Fluid handling

Processes

Cleaning, repairing, or assembling

137606, 2511491, 604 80, 604247, F16K 1518

Patent

active

050205625

ABSTRACT:
A multiline check valve assembly has an elongated body which defines a fluid passageway and which is formed with a plurality of valve cavities that are in fluid communication with the fluid passageway. Each valve cavity has a resilient valve element disposed within the cavity and each valve element rests in the cavity with one end against a protrusion disposed in the cavity for centering the element within the cavity. The resilient valve element is biased to urge its other end against a valve seat that surrounds an opening to the valve cavity to create a fluid tight seal with the valve seat and close the opening. In addition, an access port is formed circumferentially around both the valve seat and opening to establish a fluid communication path through the access port to the fluid passageway in the body when the valve element is separated from the valve seat. Specifically, when an appropriate fluid line connector is inserted into the access port to urge against the resilient valve element, the valve element is deformed away from the valve seat to complete the fluid communication path between the access port and the fluid passageway. In an alternate embodiment, the body of the valve is substantially cube-shaped and has a plurality of valve cavities disposed transversely therein, each of the valve cavities being in fluid communication with the fluid passageway that is formed by the valve body.

REFERENCES:
patent: 2973718 (1961-03-01), Deutsch
patent: 3385301 (1968-05-01), Harautuneian
patent: 3831629 (1974-08-01), Mackal et al.
patent: 4210173 (1980-07-01), Choksi et al.
patent: 4506691 (1985-03-01), Tseo
patent: 4666429 (1987-05-01), Stone
patent: 4681132 (1987-07-01), Lardner
patent: 4762149 (1988-08-01), Pickl
Brochure, L&W Technology, Inc., "Use the SAFEPORT.TM. . . . In the SAFE MULTIPORT.TM.," (no date).
Brochure, L&W Technology, Inc., "Finally . . . The SAFE MULTIPORT.TM.", (no date).

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