A liquid coinjector is provided in which one or more connection ports may be connected to an outlet port and in which a valve body is provided for selecting the connection arrangement, the valve body being movable in an axial direction within a chamber of a main body. ...http://www.google.fr/patents/US20070265581?utm_source=gb-gplus-shareBrevet US20070265581 - Liquid Coinjector
Numéro de demande: 11/747,641 Numéro de publication: US 2007/0265581 A1 Date de dépôt: 11 mai 2007 Brevet délivré: US7806874 ( Date de délivrance 5 oct. 2010)