US 11,703,367 B2
Modular ultrasonic flow meter having a power supply contained in a watertight meter housing
Lasse Pilegaard, Skanderborg (DK); Kaspar Raahede Aarøe, Skanderborg (DK); and Kenneth Hoe Baunsgaard, Skanderborg (DK)
Assigned to Kamstrup A/S, Skanderborg (DK)
Appl. No. 17/257,605
Filed by Kamstrup A/S, Skanderborg (DK)
PCT Filed Jul. 3, 2019, PCT No. PCT/EP2019/067875
§ 371(c)(1), (2) Date Jan. 4, 2021,
PCT Pub. No. WO2020/007927, PCT Pub. Date Jan. 9, 2020.
Claims priority of application No. 18181635 (EP), filed on Jul. 4, 2018.
Prior Publication US 2022/0136880 A1, May 5, 2022
Int. Cl. G01F 1/66 (2022.01); G01F 15/063 (2022.01)
CPC G01F 1/662 (2013.01) [G01F 15/063 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A modular ultrasonic flow meter including:
a flow tube providing a flow channel extending between an inlet and an outlet;
a watertight meter housing connected to the flow tube;
a measurement printed circuit board including a measurement circuit communicating with one or more ultrasonic transducers, the measurement printed circuit board arranged in the meter housing for transmitting and receiving ultrasonic signals through the flow channel;
a self-contained power supply;
a control module comprising a module housing connected with a main printed circuit board including a central processing unit and a communication circuit, wherein the measurement printed circuit board and the one or more ultrasonic transducers are mounted in a bottom part of the meter housing and the control module is adapted to be inserted into the meter housing above the measurement printed circuit board; and
a power and communication connection between the main printed circuit board and the measurement printed circuit board;
wherein the self-contained power supply being arranged in the module housing to power the main printed circuit board and the measurement printed circuit board.