US 11,884,558 B2
Fluid device
Chikara Kojima, Matsumoto (JP); Tomohide Onogi, Shiojiri (JP); Kanechika Kiyose, Matsumoto (JP); and Mitsuru Miyasaka, Shiojiri (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Oct. 13, 2021, as Appl. No. 17/500,264.
Claims priority of application No. 2020-173212 (JP), filed on Oct. 14, 2020.
Prior Publication US 2022/0112100 A1, Apr. 14, 2022
Int. Cl. C02F 1/36 (2023.01); B01D 21/28 (2006.01); C02F 103/00 (2006.01); C02F 101/30 (2006.01)
CPC C02F 1/36 (2013.01) [B01D 21/283 (2013.01); C02F 2101/30 (2013.01); C02F 2103/002 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A fluid device comprising:
a flow main body including a side wall along a first axis and configured to flow a fluid from an inflow portion provided at a first side of the first axis toward an outflow portion provided at a second side of the first axis, wherein the second side is opposite to the first side;
a plate provided at the second side of the first axis of the flow main body and having a first surface intersecting the first axis;
a standing wall extending from the first surface toward the first side of the first axis and having a length along the first axis shorter than the side wall; and
an ultrasonic element disposed at an outer side of a collection region of the plate and configured to transmit an ultrasonic wave along the first axis when the standing wall and a region surrounded by the standing wall on the first surface are defined as the collection region.