Title:
LIQUID SURFACE SENSOR
Document Type and Number:
WIPO Patent Application WO/2015/052873
Kind Code:
A1
Abstract:
A liquid surface sensor (100) is provided with a case (10) fixed to a washer tank (90), and a float (30) attached to the case (10) so as to be moveable in the vertical direction (VD). The float (30) has a magnet (50). A reed switch axle (13) provided in the case (10) has housed therein a reed switch (40) switched from off to on depending on the proximity of the magnet (50). The reed switch axle (13) has a configuration to support the float (30) so as to be moveable up and down. A switch main body (43) of the reed switch (40) has formed therein a conductive film (46) extending from a reed (42) along the outer surface of the main body (43). The conductive film (46) transmits to the reed (42) a signal indicating whether the switch (44) is on or off.
Inventors:
SUZUKI NAOTO (JP)
Application Number:
PCT/JP2014/004620
Publication Date:
April 16, 2015
Filing Date:
September 09, 2014
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01F23/62; H01H35/18
Foreign References:
| JP2012173010A | 2012-09-10 | |||
| JPS63101828U | 1988-07-02 | |||
| JPS4997358U | 1974-08-22 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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