Jack H Eichler

US Patent:

45281033, Jul 9, 1985

Filed:

Apr 6, 1984

Appl. No.:

6/597779

Inventors:

Gordon Spilkin - Stamford CT
Jack H. Eichler - Westport CT
Peter Kos - Ridgefield CT

Assignee:

Dorr-Oliver Incorporated - Stamford CT

International Classification:

B01D 2924
B01D 2938

US Classification:

210791

Abstract:

A pressure filter for separating a liquor from mud liquor slurry and for concentrating a filter cake as a heavy slurry discharge comprising a tank having a ring of filter elements supported by a plate which separates the filter tank from a filtrate chamber. The feed enters the tank under pressure through an enlarged feed cylinder tube located in the center of the ring of filter elements. In the backwashing mode of operation the feed rate is maintained or increased to assist in displacing filter cake from the filter elements.

US Patent:

44629087, Jul 31, 1984

Filed:

Oct 25, 1982

Appl. No.:

6/436305

Inventors:

Jack H. Eichler - Westport CT
Stephen A. Landsman - Fairfield CT

Assignee:

Dorr-Oliver Incorporated - Stamford CT

International Classification:

B01D 2118

US Classification:

210237

Abstract:

A motorized lifting mechanism for the rake arms of a sedimentation tank which comprise spaced vertical pairs of pivot link arms interconnecting the rake arm frame to a main center rake arm drive cage and wherein the rake arm frame is in turn interconnected to a motorized jack lifting screw by means of a cable to raise the arm upon the pivoting of the pivot arms.

US Patent:

43034926, Dec 1, 1981

Filed:

Jan 4, 1980

Appl. No.:

6/109931

Inventors:

Jack H. Eichler - Westport CT
Mark P. Freeman - Darien CT
William A. Salancy - Norwalk CT

Assignee:

Dorr-Oliver Incorporated - Stamford CT

International Classification:

C25D 1710

US Classification:

204300R

Abstract:

An electrode assembly for use in dewatering a suspension of solids in which an electric field augments an applied vacuum includes a chamber having ion-pervious walls on which a cake of solids is deposited and an electrode element within the chamber immersed in an electrolyte; the surface area of the ion-pervious walls being substantially greater than the surface area of the electrode element.