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.
Patent No.:
Date of Patent:
Jul. 31, 2001
Filed:
Jun. 16, 1999
Applicant:
Inventors:
Alain Pagnon, Valence, FR;
Jean Denis Garcin, Drone, FR;
Assignee:
Imaje S.A., Bourg les Valence Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ;
U.S. Cl.
CPC ...
F04B 1/700 ;
Abstract
The present invention relates to a diaphragm pump comprising an entirely pneumatic control mechanism, which has a double acting jack (,), to which is connected a diaphragm (,), delivery being obtained by the pressurizing of several chambers (,), admission being obtained by the preparation of a first chamber (,), the other chambers (,) being under atmospheric pressure.