US 12,258,020 B2
Intelligent advanced engine braking system
Matthew Doyle, Chatfield, MN (US); John R. Dangler, Rochester, MN (US); Layne A. Berge, Rochester, MN (US); Jason J. Bjorgaard, Rochester, MN (US); Matthew A. Walther, Rochester, MN (US); Kyle Schoneck, Rochester, MN (US); and Thomas W. Liang, Rochester, MN (US)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed on Aug. 12, 2021, as Appl. No. 17/444,916.
Prior Publication US 2023/0052436 A1, Feb. 16, 2023
Int. Cl. B60W 30/18 (2012.01); B60W 10/06 (2006.01); B60W 10/18 (2012.01); B60W 40/06 (2012.01)
CPC B60W 30/18136 (2013.01) [B60W 10/06 (2013.01); B60W 10/18 (2013.01); B60W 40/06 (2013.01); B60W 2510/0623 (2013.01); B60W 2510/0671 (2013.01); B60W 2540/10 (2013.01); B60W 2556/45 (2020.02)] 19 Claims
OG exemplary drawing
 
1. An engine braking system for a vehicle comprising:
an engine;
an engine control unit configured to control operation of the engine;
a transmission configured to transfer rotational energy from the engine to a plurality of wheels on the vehicle;
a braking system configured to inhibit rotation of the plurality of wheels through at least one mechanical means;
an external road condition detector configured to determine road conditions in and around the vehicle; and
a vacuum system connected to the engine configured to increase a manifold vacuum associated with the engine during operation of the engine based on the determination;
wherein the vacuum system is utilized to slow the vehicle based on the determination.