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:
Apr. 05, 2016
Filed:
Nov. 07, 2011
Sebastien Furet, Tresses, FR;
Philippe Duquennoy, Tresses, FR;
Christophe Charriere, Tresses, FR;
DOSATRON INTERNATIONAL, Tresses, FR;
Abstract
Proportional dosimeter including a metering body with a main liquid inlet () and an outlet (), a hydraulic motor () housed in the body, actuated by the main liquid, and connected to a plunger piston () that moves in a first chamber (), the piston plunger drawing in fluid in an outbound stroke, a check valve provided to allow liquid to pass to the interior volume of the body when the pressure in the first chamber exceeds a certain pressure, during the return stroke; the dosimeter includes a second chamber () of variable volume bounded by a membrane subjected to the pressure in the first chamber, the second chamber including an intake orifice () for the auxiliary liquid and a delivery orifice () for the auxiliary liquid, this delivery orifice being connected by a pipe () to an injection chamber (S) situated downstream of the outlet of the dosimeter body.