US 11,753,784 B2
Compact material collection system
Britt R. Calloway, Midlothian, VA (US); Robert Mayes, Hanover, VA (US); Tim Stumph, Midlothian, VA (US); and Chris Turner, Aylett, VA (US)
Assigned to Old Dominion Brush Company, Henrico, VA (US)
Filed by Old Dominion Brush Company, Henrico, VA (US)
Filed on Apr. 28, 2022, as Appl. No. 17/732,016.
Application 17/732,016 is a division of application No. 17/314,760, filed on May 7, 2021, granted, now 11,319,683.
Claims priority of provisional application 63/109,714, filed on Nov. 4, 2020.
Prior Publication US 2022/0251792 A1, Aug. 11, 2022
Int. Cl. E01H 1/08 (2006.01); E01H 1/00 (2006.01); A47L 5/36 (2006.01); A47L 9/24 (2006.01)
CPC E01H 1/0836 (2013.01) [A47L 5/36 (2013.01); A47L 9/242 (2013.01); A47L 9/248 (2013.01); E01H 1/005 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A material collection system operatively connected to a vehicle, comprising:
a conduit including a material inlet;
a vacuum generator configured to generate an airflow for drawing material into the material inlet;
an engine configured to power the vacuum generator;
a material collection container to receive the collected material from the conduit; and
a control system comprising:
a load sensor configured to detect a load applied by the collected material received in the material collection container and transmit an output signal indicating the load applied by the collected material;
a controller in electrical communication with the load sensor, the controller configured to determine a weight of the collected material received in the material collection container based on the output signal and determine an aggregate weight of the vehicle using the determined weight of the collected material.