Title:
Flow rate sensor
Document Type and Number:
Japanese Patent JP6117340
Kind Code:
B2
Abstract:
Provided is a low-cost flow sensor which improves productivity while maintaining high quality and high reliability. This flow sensor is provided with a housing, a cover, a circuit chamber sealed between these and housing electronic components or wiring, and a subpassage through which the fluid flows that is to be detected, and is characterized in that the welding width of a first welded portion forming the circuit chamber is greater than the welding width of a part of the second welded portion forming the subpassage unit.
More Like This:
| JPH05107092 | THERMAL FLOWMETER |
| JP2019020197 | PHYSICAL QUANTITY SENSOR, ELECTRONIC APPARATUS, AND MOBILE ENTITY |
Inventors:
Satoshi Arai
Shigeharu Tsunoda
Shinobu Tashiro
Morino Takeshi
Shigeharu Tsunoda
Shinobu Tashiro
Morino Takeshi
Application Number:
JP2015508147A
Publication Date:
April 19, 2017
Filing Date:
February 07, 2014
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
G01F1/684; G01F1/00
Domestic Patent References:
| JP11258019A | ||||
| JP2011240586A | ||||
| JP2004209916A | ||||
| JP2010214730A | ||||
| JP2011143596A |
Attorney, Agent or Firm:
Yuji Toda