Title:
LIQUID LEVEL SENSOR
Document Type and Number:
WIPO Patent Application WO/2024/029115
Kind Code:
A1
Abstract:
A liquid level sensor 100 according to an embodiment of the present invention uses a float to measure a liquid level in a container, and comprises a base member 10, an arm 20 that can be connected to the float, a holder 30 which has a holding portion 32 for holding a held portion 222 of the arm and which is attached to the base member 10 so as to be rotatable about a first axis AX1, and a detecting mechanism for detecting rotation of the holder 30, wherein the arm 20 includes a projecting portion 223 that projects from the holder 30 in an extension direction (V1-V2 direction) of the held portion 222, and the base member 10 includes an engaging portion 111 for engaging the projecting portion 223 to stop the rotation of the holder 30 in a predetermined position, as a result of which the liquid level sensor is resistant to the effects of disturbances such as vibration of the container.
Inventors:
KUROSAWA RIE (JP)
Application Number:
PCT/JP2023/008218
Publication Date:
February 08, 2024
Filing Date:
March 06, 2023
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G01F23/38
Domestic Patent References:
| WO2016069041A1 | 2016-05-06 | |||
| WO2013109317A1 | 2013-07-25 |
Foreign References:
| JP2004037196A | 2004-02-05 | |||
| JP2015102501A | 2015-06-04 | |||
| JP2001124614A | 2001-05-11 |
Attorney, Agent or Firm:
OKUBO, Katsuyuki (JP)
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