Robert Joseph Hahn

US Patent:

51956128, Mar 23, 1993

Filed:

May 18, 1992

Appl. No.:

7/884028

Inventors:

Robert W. Hahn - Lemont IL
Alan H. Ludwig - Hinsdale IL
G. Neil Thedford - Naperville IL

Assignee:

Case Corporation - Racine WI

International Classification:

F01M 118

US Classification:

184 64

Abstract:

A lubrication system for a cotton harvester having a plurality of harvesting units. The lubrication system comprises a lubricant source for providing pressurized lubricant to each of the harvesting units to facilitate their operation and a control mechanism for measuring cyclic operations of harvesting units operating components during a harvesting procedure. The control mechanism controls operation of the lubricant source such that the amounts of lubricant provided to the harvesting units during a lubrication cycle is correlated to the lubricant usage of the harvesting units during the harvesting procedure. A salient feature of the present invention relates to a display for visually indicating the cyclic operations remaining for the harvesting units before another lubrication cycle is due to be commenced. The display furthermore provides a visual indication relating to the operating performance of the lubrication system.

US Patent:

49613049, Oct 9, 1990

Filed:

Oct 20, 1989

Appl. No.:

7/424393

Inventors:

Robert W. Hahn - Lemont IL

Assignee:

J. I. Case Company - Racine WI

International Classification:

A01D 4518
G08B 2100

US Classification:

56 102

Abstract:

A system for monitoring cotton flow through a conveying system of a cotton harvester. The monitoring system includes acoustic sensors for generating pulses or signals as a function of sound produced from cotton impinging upon a walled conveying duct of the conveying system. The sensors are connected to detector circuitry which provides a first signal condition when cotton flow through the duct is above a first level and a second signal condition when cotton flow is below the first level. The system of the present invention further includes an alarm which is responsive to outputs from the detector circuitry.

US Patent:

48526800, Aug 1, 1989

Filed:

Apr 7, 1988

Appl. No.:

7/178742

Inventors:

Thomas R. Brown - Plainfield IL
Richard H. Logan - West Burlington IA
Robert W. Hahn - Lemont IL
Charles D. Rodeghiero - Naperville IL
Kevin L. Brekkestran - Fargo ND

Assignee:

J. I. Case Company - Racine WI

International Classification:

B60R 2500

US Classification:

180287

Abstract:

An anti-theft security system for an off-road vehicle is disclosed. The system includes a master control module, which may be part of the vehicle's instrument cluster, and a remotely located security module, which is directly adjacent to at least one electrically-operated actuator of the vehicle normally operated as part of transporting the vehicle to another location. The security module includes a tamper-resistant housing which obstructs physical access to at least part of the actuator. The master module, which may include a microprocessor and LED display, has an operator interface such as a keypad for entering a first access code known only to authorized operators of the vehicle. When the sequence of entered keystrokes matches the first access code stored within the master module, the module automatically generates and transmits to the security module a signal containing a second and different access code. When the security module determines that the received signal is coded with the same second access code stored within its memory, a power switch within the security module is energized, thereby providing electrical power to the actuator so that the vehicle may be moved.

US Patent:

59340517, Aug 10, 1999

Filed:

Feb 6, 1997

Appl. No.:

8/798424

Inventors:

Robert W. Hahn - Racine WI

Assignee:

Textron, Inc. - Providence RI

International Classification:

A01D 7528
B60K 2800

US Classification:

56 102R

Abstract:

A solid state mow system monitors and controls operations of a greens maintenance machine. This solid state system controls the other systems on the machine including: an interlock system, a reel lift control system, a cutting unit control system, a groomer control system, a backlap control system, a mow relay system or any other greens maintenance type system. The interlock system monitors input and output signals to determine if all of the preconditions to operation have been satisfied. The lift control system controls raising and lowering the cutting units. The mow control system controls the operation of cutting unit motors.