Matthew W Snyder

US Patent:

7124021, Oct 17, 2006

Filed:

Feb 23, 2005

Appl. No.:

11/063923

Inventors:

John J. Moskwa - Madison WI, US
John L. Lahti - Marquette MI, US
Matthew W. Snyder - Manistee MI, US

Assignee:

Wisconsin Alumni Research Foundation - Madison WI

International Classification:

G01M 15/04

US Classification:

701114, 731171

Abstract:

A testing device allows a test engine (such as a single-cylinder test engine) to experience the air exchange characteristics of a multi-cylinder test engine having a greater number of cylinders. The test engine receives air from an air source (such as the atmosphere) through the interior passage of an air intake adapter, wherein valves on the passage walls separate the interior passage from a negative or positive pressure source. A processor (such as a computer) may actuate the valves to allow air to be pulled from the passage to simulate the effect of air intake into additional virtual cylinders (i. e. , cylinders that would operate in tandem with the cylinder(s) of the test engine if the test engine had a greater number of cylinders), and/or to simulate the effect of forced air induction (i. e. , turbocharging or supercharging).

US Patent:

8454402, Jun 4, 2013

Filed:

Mar 11, 2011

Appl. No.:

13/046085

Inventors:

Jason S. Arbuckle - Horicon WI, US
Aaron J. Ward - Oshkosh WI, US
Matthew W. Snyder - Fond du Lac WI, US

Assignee:

Brunswick Corporation - Lake Forest IL

International Classification:

B60W 10/04
B63H 21/21

US Classification:

440 86

Abstract:

Propulsion systems for marine vessels comprise an internal combustion engine rotating a driveshaft; an electric motor; a transmission selectively connecting the rotating driveshaft to a propulsor via a rotating gear; and a control circuit controlling the electric motor to slow rotation of the driveshaft and gear when a shift into the gear is requested.

US Patent:

8608521, Dec 17, 2013

Filed:

May 3, 2011

Appl. No.:

13/100037

Inventors:

Matthew W. Snyder - Fond du Lac WI, US
Aaron J. Ward - Oshkosh WI, US
Jason S. Arbuckle - Horicon WI, US

Assignee:

Brunswick Corporation - Lake Forest IL

International Classification:

B63H 21/22

US Classification:

440 1, 440 3, 440 6, 440 84, 701 21

Abstract:

Systems and methods of operating a marine propulsion system utilize an internal combustion engine and an electric motor that is powered by a battery, wherein the internal combustion engine and the electric motor each selectively power a marine propulsor to propel a marine vessel. A control circuit is operated to control operation of the system according to a plurality of modes including at least an electric mode wherein the electric motor powers the marine propulsor and a hybrid mode wherein the internal combustion engine powers the marine propulsor and provides power for recharging the battery. An operator-desired future performance capability of the hybrid marine propulsion system is input to the control circuit, which selects and executes the plurality of modes so as to provide the operator-desired desired future performance capability.

US Patent:

20220252148, Aug 11, 2022

Filed:

Feb 8, 2022

Appl. No.:

17/667134

Inventors:

- Mettawa IL, US
Matthew W. Snyder - Fond du Lac WI, US
Mitchell J. Baer - Fond du Lac WI, US

Assignee:

Brunswick Corporation - Mettawa IL

International Classification:

F16H 61/16
F16H 61/684
F16H 59/74
B63H 23/06
B63H 20/14

Abstract:

A method for shifting multi-speed transmissions of marine propulsion devices each having a power head and a shift schedule for shifting between first and second gears to transmit torque from the powerhead. The method includes configuring the transmissions of leader and follower marine propulsion devices to shift when shift schedules of the leader and of the follower indicate shift recommendations, respectively. The method further includes receiving a request to shift the transmission of the leader when the shift schedule of the leader indicates the shift recommendation. The method further includes determining whether conditions are met for the follower to follow the leader in shifting. The method further includes automatically requesting, when conditions are determined to be met for the follower to follow the leader, to shift the transmission of the follower so as to be coordinated with shifting the transmission of the leader.

US Patent:

20220252152, Aug 11, 2022

Filed:

Feb 8, 2022

Appl. No.:

17/667222

Inventors:

- Mettawa IL, US
Matthew W. Snyder - Fond du Lac WI, US
William P. O'Brien - Eden WI, US
Mitchell J. Baer - Fond du Lac WI, US

Assignee:

Brunswick Corporation - Mettawa IL

International Classification:

F16H 61/682
F16H 59/40
B63H 23/06
F16H 59/74

Abstract:

A method for shifting a multi-speed transmission of a marine propulsion device between a first gear and a second gear each configured to transmit torque from a powerhead to a transmission output shaft. The method includes determining an actual power level requested for operating the marine propulsion device and measuring a transmission output shaft speed in which the transmission output shaft is rotating. The method further includes comparing the actual power level to a shift threshold, the shift threshold corresponding to expected power levels for operating the marine propulsion device as a function of the transmission output shaft speed of the transmission output shaft. The method further includes controlling the multi-speed transmission to shift when the actual power is outside the shift threshold.