US 11,806,749 B2
Ultrasonic transducer for flow measurement
Baskaran Ganesan, Billerica, MA (US); Navin Sakthivel, Houston, TX (US); and Aaron Avagliano, Houston, TX (US)
Assigned to Baker Hughes, a GE Company, LLC, Houston, TX (US)
Filed by Baker Hughes, a GE Company, LLC, Houston, TX (US)
Filed on Oct. 28, 2021, as Appl. No. 17/513,687.
Prior Publication US 2023/0134074 A1, May 4, 2023
Int. Cl. B06B 1/06 (2006.01); G01F 1/66 (2022.01)
CPC B06B 1/06 (2013.01) [B06B 1/0611 (2013.01); B06B 1/0618 (2013.01); G01F 1/666 (2013.01); G01F 1/662 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An ultrasonic transducer, comprising:
a head mass formed of a first material;
a tail mass formed of a second material;
a spanning element connecting the head mass and the tail mass, wherein the spanning element comprises a bolt located within or outside of at least one piezo crystal; and
the at least one piezo crystal positioned along the element; wherein, the head mass, tail mass, or spanning element includes at least one cavity.