Timothy D Campbell

US Patent:

7122149, Oct 17, 2006

Filed:

Jul 11, 2003

Appl. No.:

10/618133

Inventors:

Lixiong Li - Panama City FL, US
Timothy J. Campbell - Panama City FL, US
Kristopher S. Cozart - Panama City FL, US

Assignee:

Applied Research Associates, Inc. - Albuquerque NM

International Classification:

C02F 1/02

US Classification:

422 26, 210103, 210130, 210134, 210149, 210181, 210182, 2101952, 210258, 210259, 2104163, 210428, 210900

Abstract:

A fluid processor, suitable for the production of sterile water for injection, having a processor assembly and a process control system comprising a pump, a flow splitter, flow restrictors and a pressure relief valve. In a preferred embodiment, the processor assembly comprises a heat exchanger, a reactor and a heater arranged in a nested configuration. The preferred embodiment of the present invention also include a treatment assembly having a combination of filter, reverse osmosis and ion exchange devices and further incorporates an assembly and method allowing for the in situ sanitization of the fluid processor during cold start and shutdown to prevent bacteria growth during storage of the fluid processor. The fluid processor may include an electronic control system comprising a touch screen operator interface, a programmable logic controller and sensors for measuring temperature, pressure, flow rate, conductivity and endotoxin level.

US Patent:

7287396, Oct 30, 2007

Filed:

Mar 15, 2005

Appl. No.:

11/081083

Inventors:

Albert W. Maier - St. Charles MO, US
John R. Aggers - Canton GA, US
Robert A. Kensinger - Creve Coeur MO, US
Timothy D. Campbell - Rockmart GA, US
Scott M. Gelber - Kennesaw GA, US

Assignee:

Computer Process Controls, Inc. - Kennesaw GA

International Classification:

F25B 5/00
F25B 41/04

US Classification:

62200, 62217, 62223, 62224, 236 92 B

Abstract:

An apparatus for refrigeration system control includes a plurality of circuits, each circuit having at least one refrigeration case and an electronic evaporator pressure regulator in communication with each circuit. Each electronic evaporator pressure regulator controls a temperature of one of the circuits. A sensor in communication with each circuit measures a parameter from the circuit. A controller associated with each electronic evaporator pressure regulator controls the respective electronic evaporator pressure regulator based upon measured parameters from each of the circuits.

US Patent:

7669432, Mar 2, 2010

Filed:

Oct 18, 2007

Appl. No.:

11/874506

Inventors:

Albert W. Maier - St. Charles MO, US
John R. Aggers - Canton GA, US
Robert A. Kensinger - Creve Coeur MO, US
Timothy D. Campbell - Rockmart GA, US
Scott M. Gelber - Kennesaw GA, US

Assignee:

Emerson Retail Services, Inc. - Kennesaw GA

International Classification:

F25B 41/04
G05D 23/12
F16K 31/02

US Classification:

62222, 236 92 B, 25112905

Abstract:

A method includes cycling an electronic evaporator pressure regulator valve fluidly coupled to a refrigeration circuit to regulate flow through the electronic evaporator pressure regulator valve and sensing a current drawn by the electronic evaporator pressure regulator valve during cycling of the electronic evaporator pressure regulator valve. The method further includes determining a valve condition of the electronic evaporator pressure regulator valve based on the sensing.