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:
Dec. 20, 2011
Filed:
Dec. 10, 2008
Hiroyuki Ito, Matsumoto, JP;
Hideya Yokouchi, Okaya, JP;
Hiroyuki Ito, Matsumoto, JP;
Hideya Yokouchi, Okaya, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided is a liquid supply apparatus including a liquid supply path which supplies a liquid from an upstream side, which is a liquid supply source, to a downstream side in which the liquid is consumed; a defoaming chamber which is provided in the liquid supply path and defoams air bubbles included in the liquid; and a depressurization chamber which is provided at a position adjacent to the defoaming chamber with a partition wall interposed therebetween and is depressurized such that the pressure thereof becomes lower than the pressure of the defoaming chamber, wherein the partition wall allows permeation of gas by the depressurization of the depressurization chamber and restricts permeation of the liquid, and wherein an air bubble integrating portion which collects the air bubbles included in the liquid is provided in the defoaming chamber.