Filter device and filter system

Patent metadata

Field	Value
Publication number	US-9480943-B2
Application number	US-201414566750-A
Country	US
Kind code	B2
Filing date	Dec 11, 2014
Priority date	Dec 13, 2013
Publication date	Nov 1, 2016
Grant date	Nov 1, 2016

Abstract

A filter device for the exchange of gas between the fuel tank for liquid fuel and an environment has a chamber sealed in a fluid-tight manner. A first port leads into the chamber for fluid connection to the fuel tank. A second port into leads the chamber for fluid connection to the environment. A granular filter material is in the chamber. The chamber is designed for optionally accommodating a monolithic filter element in addition to the granular filter material.

First claim

What is claimed is:

1. A filter device for an exchange of gas between a fuel tank for liquid fuel and an environment, the filter device comprising:
a chamber sealed in a fluid-tight manner, the chamber being divided into a first section, a second section connected in series downstream of the first section, a third section connected in series downstream of the second section and a fourth section connected in series downstream of the third section;
a first port leading into the fi…

Assignees

• Porsche Ag

Inventors

• Menke Andreas
• Essig Ulrich
• Bolzhauser Uwe

Classifications

• F02M25/0854

  Mechanical Engineering · mapped topic

• B01D2253/3425

  Operations & Transport · mapped topic

• B01D2253/102

  Operations & Transport · mapped topic

• B01D2259/4516

  Operations & Transport · mapped topic

• B01D53/0407 Primary

  Operations & Transport · mapped topic