Curtis J Graham

US Patent:

7552584, Jun 30, 2009

Filed:

Feb 20, 2007

Appl. No.:

11/707861

Inventors:

Lifeng Wang - Dunlap IL, US
Rui Zhang - Peoria IL, US
John D. Gierszewski - Creve Coeur IL, US
Curtis J. Graham - Peoria IL, US
Andrew C. Heebink - Chillicothe IL, US
Jack A. Merchant - Peoria IL, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

F01N 3/00

US Classification:

60286, 60311, 123300

Abstract:

A fuel system for an engine is disclosed. The fuel system has a common source of pressurized fuel, at least one injection device, an exhaust treatment device, and a regeneration device. The at least one injection device is configured to inject fuel from the common source into a combustion chamber of the engine. The exhaust treatment device is configured to remove particulate matter from an exhaust flow of the engine. The regeneration device is configured to inject fuel from the common source into at least one of the exhaust treatment device and the exhaust flow.

US Patent:

7895743, Mar 1, 2011

Filed:

Dec 18, 2007

Appl. No.:

11/958784

Inventors:

Jarrod David Moss - Washington IL, US
Adam Ostein - Chillicothe IL, US
Curtis Graham - Peoria IL, US
Trent A. Simpson - Peoria IL, US
Benjamin C. Thomas - Peoria IL, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

B21K 1/12

US Classification:

298881, 123 906, 74567

Abstract:

A method of refurbishing a camshaft () having at least one defective portion () includes removing material from the at least one defective portion () to create a neck region (). An alignment feature () is introduced in the neck region () according to a previous orientation of the defective portion (). A segmented blank () is installed around the neck region () and oriented with the alignment feature ().

US Patent:

7895982, Mar 1, 2011

Filed:

Dec 18, 2007

Appl. No.:

11/958762

Inventors:

Jarrod David Moss - Washington IL, US
Adam Ostein - Chillicothe IL, US
Curtis Graham - Peoria IL, US
Trent A. Simpson - Peoria IL, US
Benjamin C. Thomas - Peoria IL, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

F01L 1/04

US Classification:

123 906, 74567, 298881

Abstract:

A method of refurbishing a camshaft () having at least one defective portion () includes removing material from the at least one defective portion () to create a neck region (). An alignment feature () is introduced in the neck region () according to a previous orientation of the defective portion (). A blank () is installed around the neck region () and oriented with the alignment feature ().

US Patent:

8191529, Jun 5, 2012

Filed:

Jul 3, 2008

Appl. No.:

12/217462

Inventors:

Jarrod D. Moss - Washington IL, US
Adam Ostein - Chillicothe IL, US
Curtis Graham - Peoria IL, US
Robert Sharp - Corinth MS, US
Mike D. Bridges - Iuka MS, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

F02B 75/22

US Classification:

123195R, 1231933, 277591

Abstract:

A method for manufacturing an engine block, such as for an internal combustion engine, includes a step of removing material from a top deck of the engine block surrounding a cylinder bore to create a first removal area. Material is also removed from the top deck of the engine block surrounding at least one fluid passage to create a second removal area. An insert is positioned within a recessed area defined by the first removal area and the second removal area.

US Patent:

8251038, Aug 28, 2012

Filed:

Jul 20, 2010

Appl. No.:

12/839960

Inventors:

Christopher Bach - Chillicothe IL, US
Curtis Graham - Peoria IL, US
Trent Simpson - Peoria IL, US
Michael Bridges - Iuka MS, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

F01L 1/18

US Classification:

1231935, 123 9039

Abstract:

An insert for use in a remanufactured cylinder head rocker arm stand, the insert comprising an inner facing surface having a radius within a range of 35 to 45 mm and a length within a range of 70 to 103 mm, and an outer facing surface adapted for disposal against a channel in the rocker arm stand, the rocker arm shaft being disposed adjacent the inner facing surface in use, but not adjacent the rocker arm stand.

US Patent:

8468694, Jun 25, 2013

Filed:

Jul 27, 2009

Appl. No.:

12/509728

Inventors:

Jarrod D. Moss - Washington IL, US
Curtis J. Graham - Peoria IL, US
Trent A. Simpson - Peoria IL, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

B23P 11/00

US Classification:

29888061, 2988806, 29888011

Abstract:

The present disclosure, in one form, provides a process for remanufacturing a flanged cylinder liner, comprising the steps of machining a top portion of the cylinder liner to remove the cylinder liner flange, thereby creating a flange seat portion, preparing the top portion of the cylinder liner to receive a replacement cylindrical flanged sleeve collar, aligning the center axis of the cylinder liner with the center axis of the cylindrical flanged sleeve collar, placing the sleeve collar into contact with the cylinder liner such that the cylindrical flanged sleeve collar abuts with the flange seat portion and affixing the cylindrical flanged sleeve collar onto the liner.

US Patent:

8607759, Dec 17, 2013

Filed:

Jul 20, 2010

Appl. No.:

12/839881

Inventors:

Christopher Bach - Chillicothe IL, US
Curtis Graham - Peoria IL, US
Trent Simpson - Peoria IL, US
Michael Bridges - Iuka MS, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

F02F 1/24

US Classification:

1231935, 123 9039

Abstract:

A process for remanufacturing a cylinder head that includes a worn or damaged rocker arm stand adapted to receive a rocker shaft to which at least one rocker arm is mounted, the steps including machining a channel in a surface of the worn or damaged rocker arm stand, securing an insert into the channel, and machining the insert to form a remanufactured inner facing surface. The remanufactured cylinder head includes at least one rocker arm stand that has a machined channel with a remanufactured insert secured therein, the rocker shaft being disposed adjacent the inner facing surface, not the rocker arm stand.

US Patent:

20080035187, Feb 14, 2008

Filed:

Dec 20, 2006

Appl. No.:

11/641777

Inventors:

Cory Andrew Brown - Peoria IL, US
Kevin James Karkkainen - Washington IL, US
John Gierszewski - Creve Coeur IL, US
Curtis Graham - Peoria IL, US

International Classification:

B08B 3/00

US Classification:

134169 A

Abstract:

A method is provided for operating a regeneration assembly to regenerate a filter assembly during a regeneration cycle, and for supplying fuel through a fuel flow path to at least one fuel injector unit associated with the regeneration assembly during the regeneration cycle. The method includes dispensing a cleaning substance into the fuel flow path during a cleaning cycle. The method further includes directing the cleaning substance through the at least one fuel injector unit during the cleaning cycle.