Adjustable pressure double latching valve

Details Adjustable pressure double latching valve Adjustable pressure double latching valve

2007-02-02

2008-12-30

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

Involving pressure control

C137S488000

Reexamination Certificate

active

07469706

ABSTRACT:
Methods and devices for maintaining a minimum pressure of calibration gas, such as in an emission testing system or a similar arrangement, using a double latching valve (DLV). The DLV comprises a body having specific internal passages; a two-way normally closed (blocked) shut-off valve; an enlarged low pressure, sensitive air pilot acting upon the two-way valve; an adjustable sequencing latch valve integrated into the supply latch circuit; and a defined orifice incorporated into the supply latch circuit.

REFERENCES:
patent: 5725015 (1998-03-01), Theodos et al.
patent: 6095184 (2000-08-01), Neff et al.
patent: 6530363 (2003-03-01), Blass et al.
patent: 6733253 (2004-05-01), Vockroth

Affiliated with

Also associated with

Rating

Adjustable pressure double latching valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4040341