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Patent Searching and Data


Title:
COMPRESSED GAS CIRCUIT FOR DRIVING BELLOWS PUMP
Document Type and Number:
Japanese Patent JP2009127503
Kind Code:
A
Abstract:

To provide a compressed gas driving circuit for automatically continuously driving an inexpensive and stably operating pump, though a compressed gas driving circuit system used for a conventional bellows pump, has a complicated return circuit for securing stable operation.

A compressed gas driving circuit is manufactured to be used for the simple and inexpensive bellows pump stably operating by using a main valve (5 ports and 2 positions), a 2-port valve switched by motion of bellows, an orifice and a 3-port valve.


Inventors:
TACHIBANA YOSHIAKI
HARADA KAORU
SASAJIMA TAKAMITSU
HONMA KYOKO
Application Number:
JP2007302616A
Publication Date:
June 11, 2009
Filing Date:
November 22, 2007
Export Citation:
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Assignee:
SIGMA TECHNOLOGY KK
International Classes:
F04B43/08