Fluid filter
US8485365B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 17, 2008 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Jan 28, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4084
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An internal combustion engine liquid filter, comprising: a filter housing and housing cover a ring filter element; at least one intermediate piece arranged below the filter housing cover and above the housing; an inlet channel arranged on the housing side, communicating with a crude side of the ring filter element, and an outlet channel arranged on the housing side, communicating with a pure side of the ring filter element; a drainage channel on the housing side, wherein the housing space drains through the drainage channel when removing the filter housing cover; and a closure mechanism arranged in the intermediate piece and the closure mechanism is rotatable about a filter axis, wherein the closure mechanism has a closure element for closing the drainage channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.