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:
Mar. 08, 2011
Filed:
Apr. 26, 2005
Applicants:
Phillip North, Horsham, GB;
David Paul Manson, Newhaven, GB;
Inventors:
Phillip North, Horsham, GB;
David Paul Manson, Newhaven, GB;
Assignee:
Edwards Limited, Crawley, West Sussex, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system () for supplying an inert purge gas to a pumping arrangement () includes a plurality of flexible capillary tubes () each for conveying the gas from a respective outlet of a manifold () to a respective port () of the pumping arrangement (). The internal diameter and length of each tube () control the gas flow rate to the respective port ().