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. 24, 2009
Filed:
Oct. 28, 2005
William E Lewey, Corvallis, OR (US);
Kevin D. Almen, Corvallis, OR (US);
David N. Olsen, Corvallis, OR (US);
Steven N Miller, Albany, OR (US);
William E Lewey, Corvallis, OR (US);
Kevin D. Almen, Corvallis, OR (US);
David N. Olsen, Corvallis, OR (US);
Steven N Miller, Albany, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An apparatus for use in a fluid delivery system includes a housing configurable to separate a first volume of gas from a second volume of gas and an interface arranged within the housing. The interface includes a bubbler member that is fluidically wetted with a fluid via capillary action. The interface is configured to allow a gas from the first volume of gas to pass through the fluid into the second volume of gas when a pressure difference between the first and second volumes of gas reaches a first threshold level. The interface is also configured to allow a gas from the second volume of gas to pass through the fluid into the first volume of gas when the pressure difference between the first and second volumes of gas reaches a second threshold level.