Musibau O Alowonle

US Patent:

7020576, Mar 28, 2006

Filed:

May 26, 2004

Appl. No.:

10/854549

Inventors:

Musibau O. Alowonle - Brooklyn Park MN, US
Bruce Phillip Bushey - Minneapolis MN, US
Robert J. Erko - Apple Valley MN, US
Richard F. Milun - Corcoran MN, US

Assignee:

Tennant Company - Minneapolis MN

International Classification:

G01C 17/00
G01C 19/00

US Classification:

702150, 15 491, 15 98

Abstract:

A control system for estimating the approximate relative position of an electric linear actuator on a surface maintenance machine. The control system includes device for selectively coupling the electric motor of the linear actuator to the electric power source, device for measuring or estimating the current and voltage of the electric motor, device for estimating the motor speed based on the measured values of current and voltage, and storage device for storing values of estimated motor speed and integrating device for determining approximate linear actuator position, wherein the integrating device integrates the motor speed over time to determine the approximate position of the linear actuator position.

US Patent:

20040045117, Mar 11, 2004

Filed:

Sep 6, 2002

Appl. No.:

10/236243

Inventors:

Musibau Alowonle - Brooklyn Park MN, US
Craig Block - St. Louis Park MN, US
Robert Erko - Apple Valley MN, US
Richard Milun - Corcoran MN, US

International Classification:

E01H001/08

US Classification:

015/319000, 015/340400

Abstract:

A power management system for a surface maintenance machine, such as a street sweeper is disclosed. The system includes a variable speed engine for transporting the surface maintenance machine, a hydraulic pump powered by the engine, a vacuum fan motor powered by the hydraulic pump, an engine speed sensor coupled to the engine, an electric proportional valve coupled between the hydraulic pump and the vacuum fan motor, said valve for selectively restricting a flow rate to the vacuum fan motor, and a control unit operatively coupled to the engine speed sensor and the proportional valve, said control unit receiving engine speed information from the engine speed sensor and communicating a predetermined signal to the proportional valve to control the flow rate to the vacuum fan motor as a function of engine speed. A method of managing engine power from a single-engine street sweeper is also disclosed.

US Patent:

20090177329, Jul 9, 2009

Filed:

Aug 29, 2008

Appl. No.:

12/201597

Inventors:

Musibau Alowonle - Golden Valley MN, US
Daniel Paul Longhenry - Bloomington MN, US
Steven V. Feeny - Plymouth MN, US
Daniel F. Joslin - Sartell MN, US
Robert Erko - Apple Valley MN, US

International Classification:

G05D 7/06

US Classification:

700283

Abstract:

A control system and method of use for controlling work output delivered to a floor surface by a work tool associated with a floor maintenance machine. The control system includes a hydraulic power source, a motor assembly coupled to the power source and the work tool, a pressure sensor in communication with the motor assembly, an actuator coupled to the work tool, and a controller in communication with the pressure sensor. A valve is configured to regulate the pressure provided by the power source and applied the actuator assembly. Based on a sensed pressure applied to the motor assembly, the controller causes the actuator assembly to adjust contact of the work tool with the floor surface. Work output delivered to the floor surface by the machine can be uniformly maintained during a cleaning period as the controller adjusts floor contact of the work tool via the hydraulic actuator.

US Patent:

20210344252, Nov 4, 2021

Filed:

Apr 30, 2020

Appl. No.:

16/863463

Inventors:

- Minneapolis MN, US
Musibau Alowonle - Brooklyn Park MN, US

International Classification:

H02K 7/18
F25D 11/00
H02K 3/28
H02K 11/00
H02K 11/27

Abstract:

Technologies described herein are directed to a generator concurrently providing different voltages to multiple components, some of which are unable to receive the full supply voltage output by the generator, without the addition of an electronic power converter or a transformer to the apparatus or system.