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. 19, 2007
Filed:
Mar. 30, 2006
Emmanuel Fraisse, Paris, FR;
François Gaffe, Rosny sous Bois, FR;
Emmanuel Fraisse, Paris, FR;
François Gaffe, Rosny sous Bois, FR;
Robert Bosch, Stuttgart, DE;
Abstract
A tank according to the invention comprises a casing, a filling port () extending, on the outside of said tank, into a filling neck (), which is provided with a screw thread having a pitch (p) and which cooperates with a cap (). The inner surface of the cap cooperating with the screw thread, at least one outlet port for the hydraulic-fluid flow towards a hydraulic circuit. The inner space () of the tank is connected with ambient air through two channels (), that extend from a first lengthwise end () of the filling neck () to a second lengthwise end () of the filling neck () and through a helical passage () between the filling neck () and the cap () to connect the inside of the tank with the ambient air to avoid the development of negative pressure in the tank.