Schwing America, Inc.

Carl Phillip Quist

Alexander Krasny

Charles Peter Schumacher

Scott Roisum

Heinz Ulrich Worthmann

Eric Seelnacht

Robert Benjamin Durand

Daryl Roehrich

Gary Heidger

James Dickerman

Clinton Martinez

Dang Thieu

A concrete mixing system includes a vehicle, a rotatable mixing drum coupled to the vehicle, an incline and/or slump sensor, and a controller. The controller is configured to effect a change of rotational speed of the rotatable mixing drum in response to a signal from at least one of the sensors indicating an increased likelihood of spillage of concrete from the rotatable mixing drum.

Concrete mixer and controls therefor for controlling drum rotation

A concrete transit mixer truck includes a control system that automatically controls rotation of the mixer drum at a constant drum speed when the mixer truck is traveling. When sensed speed of the truck exceeds a threshold, the control system automatically causes a hydraulic system to rotate the drum at a constant speed, regardless of the truck engine speed.

Automatic drum rotation control concrete transit mixer truck

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Maplewood, MN, United States of America

Carl Phillip Quist