Drain valve with flow control

Details Drain valve with flow control Drain valve with flow control

2004-06-23

2008-08-12

Rivell, John (Department: 3753)

Valves and valve actuation

Mechanical movement actuator

Plural motions of valve

C251S144000, C251S345000

Reexamination Certificate

active

07410146

ABSTRACT:
A drain valve allows liquid to flow into or out of a liquid-container product by use of a restriction cap having a control ring that twists in and out of a base ring in order to control the flow. The restriction cap has a flow valve, having a top, apertures, and a base, and a control ring, having a top, base, center aperture, and protrusions. The control ring is sealed against the flow valve top by an O-ring when the drain valve is closed and is also sealed against the side of the flow valve. As the control ring is twisted into the base ring, control ring protrusions twist within channels inside the base ring and a piston valve is depressed, allowing liquid to flow. As the control ring is twisted out of the base ring, the control ring base blocks the flow apertures, preventing liquid from flowing.

REFERENCES:
patent: 2800912 (1957-07-01), McCamish et al.
patent: 4905963 (1990-03-01), Nichols
patent: 4934654 (1990-06-01), Linnemann
patent: 5135140 (1992-08-01), Maguire et al.
patent: 6237639 (2001-05-01), Jougla et al.
patent: 6257550 (2001-07-01), Saputo et al.

Affiliated with

Also associated with

Rating

Drain valve with flow control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drain valve with flow control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drain valve with flow control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3997682