US 12,459,020 B2
System and method for facilitating pulsed spray quench of extruded objects
Jared E. Ottmann, Fremont, CA (US)
Assigned to Tesla, Inc., Austin, TX (US)
Filed by TESLA, INC., Austin, TX (US)
Filed on Jan. 5, 2023, as Appl. No. 18/150,683.
Application 18/150,683 is a division of application No. 16/690,043, filed on Nov. 20, 2019, granted, now 11,554,399.
Claims priority of provisional application 62/770,443, filed on Nov. 21, 2018.
Prior Publication US 2023/0141136 A1, May 11, 2023
Int. Cl. B21C 29/00 (2006.01); B05B 12/12 (2006.01); B21C 23/00 (2006.01); C21D 1/673 (2006.01); C21D 11/00 (2006.01); C22F 1/00 (2006.01); C22F 1/05 (2006.01)
CPC B21C 29/003 (2013.01) [B05B 12/122 (2013.01); B21C 23/002 (2013.01); C22F 1/002 (2013.01); C22F 1/05 (2013.01); C21D 1/673 (2013.01); C21D 11/005 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A metal quenching system having a proximal end and a distal end, comprising:
a billet die at the proximal end configured to accept a billet and form an extrudate;
a quench chamber located adjacent to the billet die for receiving the extrudate and comprising at least one pulsed width modulation (PWM) atomizing spray nozzle;
a control module in communication with the at least one PWM atomizing spray nozzle and configured to independently control a liquid pressure, a gas pressure, a spray frequency, a duty cycle and a flow rate associated with the at least one PWM atomizing spray nozzle; and
a first profile scanner positioned at the proximal end of the quench chamber and a second profile scanner positioned at the distal end of the quench chamber.