Daniel R Summers

US Patent:

8066264, Nov 29, 2011

Filed:

Nov 26, 2007

Appl. No.:

11/986710

Inventors:

Bartele Griepsma - Metttendorf, CH
Mark W. Pilling - Jenks OK, US
Raymond Plüss - Kleinandelfingen, CH
Daniel Summers - Broken Arrow OK, US

Assignee:

Sulzer Chemtech AG - Winterthur

International Classification:

B01F 3/04

US Classification:

2611144

Abstract:

The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on the top side of the tray deck in order to hold the valve cover in place.

US Patent:

47117451, Dec 8, 1987

Filed:

Jan 8, 1987

Appl. No.:

7/001419

Inventors:

Michael J. Lockett - Grand Island NY
Daniel R. Summers - North Tonawanda NY
Vinson C. Smith - Houston TX
James C. Upchurch - Houston TX

Assignee:

Union Carbide Corporation - Danbury CT

International Classification:

B01F 304

US Classification:

2611142

Abstract:

A bubble cap tray enabling efficient mass transfer over a wide range of vapor-liquid flowrates comprising bubble caps having triangular-shaped openings of substantially equal total area disposed in rows distant from the inlet and proximate the inlet wherein the bubble caps in rows distant from the inlet experience a substantially equal liquid head across the tray and the bubble caps in rows proximate the inlet experience a lesser liquid head than the bubble caps in the rows distant from the inlet.