Patent ID: 8132469

Claim:
An ultrasonic flow meter for measuring the flow of a fluid through a pipeline, comprising: a spool piece including a throughbore and a transducer port extending from the outer surface of the spool piece to the throughbore; a transducer assembly disposed in the transducer port, wherein the transducer assembly has a central axis, and extends between a first end proximal the throughbore of the spool piece and a second end distal the throughbore of the spool piece; wherein the transducer assembly comprises: a piezoelectric capsule axially positioned adjacent the first end, wherein the piezoelectric capsule includes a piezoelectric element; a transformer capsule axially positioned between the first end and the second end of the transducer assembly, wherein the transformer capsule includes a transformer and is coupled to the piezoelectric capsule; a receptacle capsule axially positioned adjacent the second end of the transducer assembly, wherein the receptacle capsule is coupled to the transformer capsule; wherein the receptacle capsule includes a receptacle housing and a receptacle coaxially disposed within the receptacle housing, wherein the receptacle is electrically coupled to the transformer; and wherein the receptacle is rotatable relative to the receptacle housing between a first position and a second position.