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:
Jan. 11, 2011
Filed:
Oct. 14, 2005
Applicant:
Barry Woods Johnston, Baltimore, MD (US);
Inventor:
Barry Woods Johnston, Baltimore, MD (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/00 (2006.01); F04B 43/12 (2006.01); F04B 39/06 (2006.01); F04B 43/076 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid pump for moving a fluid from a first fluid source of the fluid in a low pressure state to a second fluid source of the fluid in a high pressure state, includes a chamber; a partitioning member displaceable in the chamber and dividing the chamber into first and second sub-chambers of varying volumes; the first sub-chamber having an opening controllably communicable with either the second fluid source or a third fluid source; the second sub-chamber having inlet and outlet openings controllably communicable with the first and second fluid sources, respectively; and a cooling element for cooling a fluid in the first sub-chamber.