Bi-directional orifice plate assembly

Details Bi-directional orifice plate assembly Bi-directional orifice plate assembly

2007-09-07

2008-12-09

Thompson, Jewel V (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

Reexamination Certificate

active

07461563

ABSTRACT:
A bi-directional orifice plate assembly is disclosed. In an embodiment, the orifice plate assembly includes a first ring member, a second ring member, an orifice plate disposed between the first and second ring members, a first seal assembly disposed between the first ring member and the orifice plate, and a second seal assembly disposed between the second ring member and the orifice plate. The first ring member includes a first plurality of arms having latching portions, and the second ring member includes a second plurality of arms having latching portions. Both ring members include latch-receiving recesses. The latching portions of the arms of the first ring member engage the latch-receiving recesses of the second ring member, while the latching portion of the arms of the second ring member engage the latch-receiving recesses in the first ring member.

REFERENCES:
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patent: 4638672 (1987-01-01), McCall
patent: 5069252 (1991-12-01), Kendrick et al.
patent: 5085250 (1992-02-01), Kendrick
patent: 5318073 (1994-06-01), Kendrick et al.
patent: 7284450 (2007-10-01), Orleskie et al.
patent: 2006/0231149 (2006-10-01), Kulkami

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