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:
Oct. 08, 1996
Filed:
Aug. 11, 1995
George M Duarte, Narragansett, RI (US);
Jeffrey R Milburn, Providence, RI (US);
Laurent C Bissonnette, Portsmouth, RI (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
There is presented an elastomeric pump including a rigid outer housing deing an outer chamber and having a fluid inlet thereinto. The pump further includes an inner housing disposed within the outer housing. The inner housing is provided with rigid walls and first and second expandable members, the first expandable member having greater elasticity than the second expandable member, the rigid walls and expandable members defining an inner chamber. A fluid conduit extends from the inner chamber to the exterior of the outer housing. A rigid cage is fixed to the inner housing and is disposed over the first expandable member, and is configured to permit and limit expansion of the first expandable member.