The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 19, 2019

Filed:

Jul. 09, 2015
Applicant:

Eagle Industry Co., Ltd., Tokyo, JP;

Inventors:

Koichi Mori, Tokyo, JP;

Yoshio Osawa, Tokyo, JP;

Kiyotaka Furuta, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 15/08 (2006.01); F04B 43/08 (2006.01); F25B 9/00 (2006.01); F04B 45/02 (2006.01);
U.S. Cl.
CPC ...
F04B 15/08 (2013.01); F04B 43/08 (2013.01); F04B 43/084 (2013.01); F04B 43/088 (2013.01); F04B 45/024 (2013.01); F25B 9/00 (2013.01); F04B 2015/081 (2013.01);
Abstract

A liquid supply system includes first and second bellowsandarranged in series in an expanding/contracting direction thereof in a vesseland having first end portions respectively, which are close to each other and fixed to an inner wall of the vessel, and also having second end portions respectively, which are distant from each other and movable in the expanding/contracting direction. An inner space of the vessellocated outside the first bellowsserves as a first pump chamber P. An inner space of the vessellocated outside the second bellowsserves as a second pump chamber P. An inner space of the vessellocated inside the first and second bellowsandserves as a sealed space R. A shaftto which the respective second end portions of the first and second bellowsandare fixed is reciprocally moved to expand/contract the first and second bellowsand


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