Joseph A Shoemaker

US Patent:

8600640, Dec 3, 2013

Filed:

May 11, 2012

Appl. No.:

13/469353

Inventors:

Joseph R. Shoemaker - West Burlington IA, US

Assignee:

CNH America LLC - New Holland PA

International Classification:

G06F 19/00
G01V 3/00

US Classification:

701 70, 3408554

Abstract:

An electronic throttle control system for a motorized vehicle includes a sensor providing a signal corresponding to a relative position of an accelerator pedal between an undepressed position and a fully depressed position at a first predetermined time interval. A memory device is provided for storing a plurality of provided signals. A controller is provided for averaging a predetermined number of provided signals and sending the averaged signal to the motor at a second predetermined time interval for modulating operating speed of the motor. Upon the memory device storing the predetermined number of provided signals, provided signals are discarded from the memory device on a first in, first out basis.

US Patent:

20090222183, Sep 3, 2009

Filed:

Feb 28, 2008

Appl. No.:

12/039110

Inventors:

Joseph R. Shoemaker - West Burlington IA, US

International Classification:

G05D 13/62

US Classification:

701 70

Abstract:

An electronic throttle control system for a motorized vehicle includes a sensor providing a signal corresponding to a relative position of an accelerator pedal between an undepressed position and a fully depressed position at a first predetermined time interval. A memory device is provided for storing a plurality of provided signals. A controller is provided for averaging a predetermined number of provided signals and sending the averaged signal to the motor at a second predetermined time interval for modulating operating speed of the motor. Upon the memory device storing the predetermined number of provided signals, provided signals are discarded from the memory device on a first in, first out basis.

US Patent:

20120096843, Apr 26, 2012

Filed:

Oct 21, 2010

Appl. No.:

12/908899

Inventors:

Matthew J. Hennemann - Burlington IA, US
Joseph R. Shoemaker - West Burlington IA, US

International Classification:

F16D 37/00
F16K 31/12
F16K 21/04

US Classification:

60327, 137511, 1374875, 60329, 137 14

Abstract:

A work vehicle includes a fluid circuit to operate at least one implement for performing work, the fluid circuit having at least a first operating mode and a second operating mode. The first operating mode is configured to operate within a first predetermined flow rate range within a first predetermined fluid pressure level range. The second operating mode is configured to operate within a second predetermined flow rate range and within a second predetermined fluid pressure level range. In response to the fluid circuit operating within the second operating mode, a maximum pressure value of the second predetermined fluid pressure level range is greater than a maximum pressure value of the first predetermined fluid pressure level range, and a maximum value of the second predetermined flow level range is less than a maximum value of the first predetermined flow level range.

US Patent:

20230098498, Mar 30, 2023

Filed:

Feb 25, 2021

Appl. No.:

17/802732

Inventors:

- New Holland PA, US
Joseph R. Shoemaker - West Burlington IA, US
Nicholas Chibucos - Burlington IA, US

International Classification:

E02F 9/22

Abstract:

An electric work vehicle a pump configured to supply hydraulic fluid to a component of the electric work vehicle. Moreover, the electric work vehicle includes a sensor configured to capture data indicative of a pressure of the hydraulic fluid and a controller communicatively coupled to the sensor. As such, the controller is configured to monitor the pressure of the hydraulic fluid relative to a predetermined threshold pressure value based on the data captured the sensor. In addition, the controller is configured to control the operation of the pump such that the pump is switched from a first operating speed range to a second operating speed range when the monitored pressure of the hydraulic fluid falls below the predetermined threshold pressure value.

US Patent:

20210010240, Jan 14, 2021

Filed:

Jul 9, 2019

Appl. No.:

16/505813

Inventors:

- New Holland PA, US
Joseph R. Shoemaker - West Burlington IA, US

International Classification:

E02F 9/22
B62D 11/00
B62D 15/02
B60K 35/00
B62D 11/04
E02F 9/20
B62D 55/06
E02F 9/02
E02F 9/26

Abstract:

In one aspect, a system for controlling the operation of a work vehicle may include a controller may be configured to provide for display on a user interface the turning radius of the work vehicle. The controller may also be configured to receive an input associated with an operator selection of the displayed turning radius as a desired turning radius of the work vehicle. Moreover, the controller may be configured to determine a first and second rotational speeds for first and second traction devices of the work vehicle based on the desired turning radius. In addition, the controller may be configured to control the operation of first and second motors to rotationally drive the first and second traction devices at the first and second rotational speeds, respectively, such that the work vehicle is moved along a travel path having the desired turning radius.

US Patent:

20200079426, Mar 12, 2020

Filed:

Nov 12, 2019

Appl. No.:

16/680841

Inventors:

- New Holland PA, US
Andrea Gravili - Lecce, IT
Antonio Venezia - Torino, IT
Joseph R. Shoemaker - West Burlington IA, US
Kushan Vora - Westmont IL, US

International Classification:

B62D 11/00
B62D 11/12
F16H 39/02
F16H 61/47

Abstract:

A method for executing straight tracking control may include receiving an input command(s) associated with controlling the operation of a first-side drive system and/or a second-side drive system of a hydrostatic transmission of a work vehicle to drive the vehicle along a straight path. The method may also include receiving first and second speed signals associated with the output speeds of the drive systems, and modifying the first speed signal or the second speed signal based on a speed scaling factor to generate a corrected speed signal. In addition, the method may include determining an adjusted control command for controlling the operation of the hydrostatic transmission as a function of the input command(s) and a control output determined based on the corrected speed signal. Further, the method may include controlling the operation of the hydrostatic transmission based at least in part on the adjusted control command.

US Patent:

20140180542, Jun 26, 2014

Filed:

Oct 29, 2013

Appl. No.:

14/065977

Inventors:

- New Holland PA, US
Navneet GULATI - Naperville IL, US
David SCHULTE - Clarendon Hills IL, US
Joseph R. SHOEMAKER - West Burlington IA, US
Swapnil TANDEL - Westmont IL, US

Assignee:

CNH AMERICA LLC - New Holland PA

International Classification:

B60W 10/00

US Classification:

701 41

Abstract:

The straight tracking control system can use a control method to achieve a desired straight motion of a machine with a dual path electronically controlled hydrostatic transmission. In the control method, the first drive system, e.g., the left or right drive system, pump solenoid current can be modified based on first and second drive system velocity feedback when the machine is commanded to move in a straight line path in the forward or reverse direction. A memory latching concept is used to latch the straight tracking factor at the initiation of and during the turn so the same straight tracking factor is used throughout the turn. The straight tracking factor is unlatched at the completion of a turn after a specific time delay and a new straight tracking factor can be calculated. The straight tracking method also utilizes transmission fluid temperature and utilizes additional fluid reserve in order to maintain straight machine movement.

US Patent:

20140180550, Jun 26, 2014

Filed:

Oct 29, 2013

Appl. No.:

14/066057

Inventors:

- New Holland PA, US
Joseph R. SHOEMAKER - West Burlington IA, US
David SCHULTE - Clarendon Hills IL, US
Swapnil TANDEL - Westmont IL, US

Assignee:

CNH AMERICA LLC - New Holland PA

International Classification:

E02F 9/22

US Classification:

701 50

Abstract:

A method of managing engine load by adjusting the pump and motor displacements of a dual path electronically controlled hydrostatic transmission utilizes the difference between the reference and actual engine speeds, the temperature of the working fluid for the dual path electronically controlled hydrostatic transmission, the engine governor droop value, the vehicle speed and lookup tables to determine pump and motor command adjustment factors associated with specific engine loading conditions.