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Daryl Rober Phones & Addresses

  • Ankeny, IA
  • Dorchester, IA
  • 5630 Clay Ridge Dr, Dubuque, IA 52002 (563) 513-0232
  • Asbury, IA
  • 2409 Suncrest Dr, Ames, IA 50014 (515) 292-9523
  • 802 Carroll Ave, Ames, IA 50010
  • 5250 Schubert St, Ames, IA 50014 (515) 292-9523
  • 2920 Wessex Dr, Ames, IA 50014
  • 5630 Clay Ridge Dr, Dubuque, IA 52002 (515) 290-3503

Work

Company: John deere Aug 2009 Position: Mechanical engineer

Education

Degree: Masters School / High School: Iowa State University 1997 to 2003 Specialities: Mechanical Engineering

Skills

Fluid Power • Matlab • Dynamic Systems Modeling

Ranks

Certificate: License 8N3Dhmhchy

Industries

Machinery

Resumes

Resumes

Daryl Rober Photo 1

Mechanical Engineer

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Location:
5630 Clay Ridge Dr, Asbury, IA 52002
Industry:
Machinery
Work:
John Deere
Mechanical Engineer

Danfoss Power Solutions May 1995 - Aug 2009
Mechanical Engineer
Education:
Iowa State University 1997 - 2003
Masters, Mechanical Engineering
Iowa State University 1989 - 1995
Bachelors, Bachelor of Science, Mechanical Engineering, Agricultural Engineering
Skills:
Fluid Power
Matlab
Dynamic Systems Modeling
Certifications:
License 8N3Dhmhchy
License 3Xm699G6Ch
License X2Wf2Xaymw
Coursera Verified Certificates, License 8N3Dhmhchy
Coursera Verified Certificates, License 3Xm699G6Ch
Coursera Verified Certificates, License X2Wf2Xaymw
Fundamentals of Fluid Power
Linear Circuits
Introduction To Programming With Matlab

Publications

Us Patents

One Piece Slipper Holddown Device

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US Patent:
7546797, Jun 16, 2009
Filed:
Apr 21, 2006
Appl. No.:
11/379601
Inventors:
Michael A. Betz - Huxley IA, US
Daryl I. Rober - Ames IA, US
Robert Klinkel - Ames IA, US
Assignee:
Sauer-Danfoss, Inc. - Ames IA
International Classification:
F01B 3/02
US Classification:
92 57, 92 71
Abstract:
A holddown pin mechanism for hydraulic power units is a ball guide with a cylindrical flat base having a central opening, a plurality of spaced elongated holddown pins have one end rigidly secured to one side of said ball guide. The pins extend outwardly at right angles from the side of said washer to which they are secured. The holddown pin mechanism is placed in a hydraulic cylinder block having a center bore, with the pins extending into holes in the block. A flat washer on a shaft extending through the block engages the free ends of the pins.

Closed Cavity Piston For Hydrostatic Power Units And Method Of Manufacturing The Same

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US Patent:
20050284289, Dec 29, 2005
Filed:
Jun 29, 2004
Appl. No.:
10/879336
Inventors:
Daryl Rober - Ames IA, US
Michael Betz - Huxley IA, US
Robert Klinkel - Ames IA, US
Assignee:
SAUER-DANFOSS INC. - AMES IA
International Classification:
F16J001/14
US Classification:
092187000
Abstract:
Disclosed is a closed cavity piston made from a metal injection molding process. The piston has an elongated cylindrical body with a first end that is adapted to receive a slipper. The piston also has at least one hollow compartment and a hollow stem that transports hydraulic fluid. After the metal injection molding process an end cap having a central opening is sinterbonded to the second end of the body. The central opening aligns with the hollow stem to provide a fluid outlet.

Cycle Time Calibration

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US Patent:
20200407943, Dec 31, 2020
Filed:
Jun 26, 2019
Appl. No.:
16/452720
Inventors:
- Moline IL, US
Kristen D. Cadman - Dubuque IA, US
Daniel M. Kassen - Hazel Green WI, US
Daryl I. Rober - Asbury IA, US
Christopher R. Edwards - Dubuque IA, US
International Classification:
E02F 9/22
G07C 5/08
G07C 5/00
Abstract:
A work vehicle including a chassis, a ground engaging implement configured to move the chassis along a ground surface, a boom connected to the chassis, an arm connected to the boom, and a bucket connected to the arm. A first actuator rotates the boom with respect to the chassis, second actuator rotates the arm with respect to the boom, and a third actuator rotates the bucket with respect to the arm. A processor calculates a first cycle time of operation of the first actuator, and analyzes if the calculated first cycle time is valid. If the first cycle time is valid, the processor communicates the calculated first cycle time to a user, and if the first cycle time is not valid, the processor repeats the calculation of the first cycle time of operation of the first actuator.

Method Of Controlling Movement Of An Intelligent Boom

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US Patent:
20190330820, Oct 31, 2019
Filed:
Apr 25, 2018
Appl. No.:
15/962121
Inventors:
- Moline IL, US
Calin L. Raszga - Dubuque IA, US
Daryl I. Rober - Dubuque IA, US
International Classification:
E02F 3/43
E02F 3/34
B66C 13/40
A01G 23/081
B66C 13/48
E02F 9/20
E02F 9/26
Abstract:
A work vehicle includes a pin connected to a stick boom at a location remote from a hoist boom. The pin has an envelope throughout which the pin is moveable by the hoist boom and the stick boom. A controller can receive a first signal from a hoist boom sensor, receive a second signal from a stick boom sensor, and receive input from a user interface. The controller can inhibit movement of the pin to at least one portion of the envelope, thereby permitting movement throughout a movement envelope, the movement envelope being smaller than the envelope. The controller can operate in a first operation mode when the pin is spaced from a perimeter of the movement envelope and can operate in a second operation mode when the pin is proximate the perimeter of the movement envelope.

Intelligent Boom Control With Rapid System Cycling

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US Patent:
20190010966, Jan 10, 2019
Filed:
Jul 6, 2017
Appl. No.:
15/643008
Inventors:
- Moline IL, US
Calin L. Raszga - Dubuque IA, US
Daryl I. Rober - Dubuque IA, US
International Classification:
F15B 11/20
B25J 5/06
B25J 9/16
B25J 9/14
A01G 23/081
F15B 13/06
Abstract:
A work machine has a connecting valve which is positioned fluidly between a hoist actuator and a stick actuator to permit fluid flow between the hoist actuator and the stick actuator when the connecting valve is open. When the connecting valve is closed, fluid flow is inhibited between the hoist actuator and the stick actuator. A controller can receive information from a hoist boom position sensor and a stick boom position sensor, the controller can receive input from a user interface, and the controller can communicate signals to the hoist actuator and the stick actuator based upon the information from the hoist boom position sensor and the stick boom position sensor, and the input from the user interface.

Work Vehicle Gyroscopic Boom Control System And Method

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US Patent:
20180110190, Apr 26, 2018
Filed:
Oct 20, 2016
Appl. No.:
15/299129
Inventors:
- Moline IL, US
Calin Raszga - Asbury IA, US
Daryl I. Rober - Asbury IA, US
International Classification:
A01G 23/099
A01G 23/081
Abstract:
A work vehicle gyroscopic boom assembly control system utilizes gyroscopically-measured angular velocity data to control boom movement. The work vehicle includes an operator interface, a boom assembly, a first gyroscope, and a controller. The boom assembly includes a first boom element coupled to a first actuator, which is controllable to rotate the first boom element about a first pivot joint. During operation of the work vehicle, the controller receives an operator request for boom assembly movement via the operator interface, converts the operator request to a target angular velocity of the first boom element, and selectively commands the first actuator to adjust rotation of the first boom element based, at least in part, on the target angular velocity and a current angular velocity of the first boom element sensed by the first gyroscope.

Electrohydraulic Dynamic Spool Position Control For A Proportional Valve In A Work Vehicle

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US Patent:
20170208754, Jul 27, 2017
Filed:
Jan 21, 2016
Appl. No.:
15/002786
Inventors:
- MOLINE IL, US
Daryl Rober - Asbury IA, US
International Classification:
A01G 23/091
F16K 31/42
F15B 13/044
F15B 11/08
F15B 13/04
Abstract:
A work machine to cut timber including a control system, a felling head, a hydraulic motor configured to adjust the position of the felling head, and a spool valve operatively connected to the hydraulic motor, the spool valve being configured to move the felling head responsively through operation of the hydraulic motor. A machine controller coupled to the operator controller and the spool valve executes stored program instructions to generate a first control signal responsive to an operator control signal provided by the operator controller, generate a second control signal as a function of the generated first control signal, adjust a position of the spool of the spool valve in response to a concurrent receipt of the first control signal and the second control signal by the first proportional control valve and the second proportional control valve to move the felling head through operation of the hydraulic motor.

Velocity-Based Control Of End Effector

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US Patent:
20160295814, Oct 13, 2016
Filed:
Apr 10, 2015
Appl. No.:
14/684177
Inventors:
- MOLINE IL, US
DARYL I. ROBER - ASBURY IA, US
TODD F. VELDE - DUBUQUE IA, US
International Classification:
A01G 23/081
A01G 23/00
Abstract:
A control system for moving an end effector of a work machine may include sensors for determining current orientations of components of a boom assembly connected to the work machine. A controller may be configured to receive, via an input interface, signals corresponding to a velocity input command for a desired movement of the end effector. The controller may determine, based upon the velocity input command and signals from the sensors, at least one target velocity for one or more actuators for the boom assembly. Commanding the actuators to move with the at least one target velocity may cause the end effector to move with an aggregate velocity corresponding to the desired movement of the end effector, as indicated by the velocity input command.
Daryl I Rober from Ankeny, IA, age ~54 Get Report