Title:
SUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/006496
Kind Code:
A1
Abstract:
A suction device (10) that comprises: a suction unit (11) that suctions an external fluid; a piezoelectric pump (21) that has a piezoelectric element (22) that has a drive voltage applied thereto and oscillates, and that suctions the fluid via the suction unit (11) by means of the oscillation of the piezoelectric element (22); a detection circuit (32) that detects the phase difference between the current flowing in the piezoelectric element (22) and the drive voltage of the piezoelectric element; and a control unit (33) that performs processing on the basis of the phase difference detected by the detection circuit (32).
Inventors:
OKAGUCHI KENJIRO (JP)
Application Number:
PCT/JP2015/068749
Publication Date:
January 14, 2016
Filing Date:
June 30, 2015
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
A61M1/00
Foreign References:
| JP2618685B2 | 1997-06-11 | |||
| JPH1026550A | 1998-01-27 | |||
| JP2013027625A | 2013-02-07 | |||
| JP2013220321A | 2013-10-28 | |||
| JP2009264135A | 2009-11-12 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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