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Title:
PIEZOELECTRIC VIBRATOR PUMP
Document Type and Number:
Japanese Patent JPS62214287
Kind Code:
A
Abstract:

PURPOSE: To improve the pump performance, by connecting a reserve tank having an upper space to a suction port of a check valve on the suction side of a pump designed to suck a liquid by vibrating a piezoelectric vibrator.

CONSTITUTION: A casing is provided with a suction pipe 9 and a discharge pipe 10 on one side of a piezoelectric vibrator 2. The suction pipe 9 and the discharge pipe 10 are provided with a check valve 5 on the suction side and a check valve 6 on the discharge side, respectively. A reserve tank 8 having an upper space 7 is connected near a suction port of the check valve 5 on the suction side. With this arrangement, the operation of the check valve 5 may be improved, and a discharge amount may be increased, thus improving the pump performance.


Inventors:
OKUYAMA HIDENORI
ASAKURA SHINICHI
SHIZURI MASANORI
Application Number:
JP5797086A
Publication Date:
September 21, 1987
Filing Date:
March 14, 1986
Export Citation:
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Assignee:
MISUZU ERIE KK
International Classes:
F04B43/04; F02G1/043; (IPC1-7): F04B43/04
Domestic Patent References:
JPS6036792A1985-02-25
Attorney, Agent or Firm:
Ishido



 
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