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:
Jun. 24, 2014
Filed:
Jul. 06, 2010
Xiaoyou Dong, Dongguan, CN;
Xianzhi Zhou, Guangzhou, CN;
XiaoYou Dong, Dongguan, CN;
XianZhi Zhou, Guangzhou, CN;
Reckitt & Colman (Overseas) Limited, Slough, Berkshire, GB;
Abstract
A fluid delivery system comprising a pump arranged to draw fluid, in use, from a reservoir () and dispense it through a dispensing tube (), the pump comprising a cylinder () in which a piston () is reciprocally movable; an inlet into the cylinder; a one-way inlet valve () for controlling flow through the inlet; an outlet from the cylinder and leading to the dispensing tube; and an outlet valve () controlling flow through the outlet, wherein the piston is arranged to selectively contact the outlet valve to maintain it open during the initial portion of its downstroke and to allow it to close for the remainder of the downstroke.