| Patent application number | Description | Published |
| 20080229722 | Filter Housing - The invention concerns a filter housing ( | 09-25-2008 |
| 20090242470 | FILTER CLOSURE SYSTEM WITH BAYONET CLOSURE - A filter closure system has a connecting end at an end face of a cylindrical filter housing and a connecting head matching the connecting end. The connecting end is insertable axially into the connecting head and connected positive-lockingly to the connecting head by an insertion-rotation movement. Connecting end and connecting head have a bayonet connection with receiving slots or receiving projections and matching insertion projections. The matching insertion projections engage the receiving slots or projections when the bayonet connection is closed. The receiving slots or projections and the insertion projections each are arranged substantially in a perpendicular plane relative to the insertion direction. The receiving slots or projections are elongate and circumferentially do not extend completely around but are segmented. The receiving slots or projections are sequentially arranged in the insertion direction and are substantially parallel to one another. The insertion projections are also sequentially arranged in the insertion direction. | 10-01-2009 |
| 20090320425 | Air Filter Unit having a Radially Divided Housing - In a filter element ( | 12-31-2009 |
| 20100024369 | Air Filter Housing for a Cylindrical Filter Element - In order to be able to adjust in a simple and inexpensive way in the manufacture of an air filter housing ( | 02-04-2010 |
| 20100126125 | CYLINDRICAL FILTER ELEMENT - To be able to achieve better compensation for length changes in a cylindrical filter element ( | 05-27-2010 |
| 20100181243 | Filter Unit Having a Conical Thread - To be able to insert a cylindrical filter element ( | 07-22-2010 |
| 20110201488 | CENTRIFUGAL SEPARATOR WITH SNAP FIT SEPARATION CONE - A separation cone ( | 08-18-2011 |
| 20110263406 | CENTRIFUGAL SEPARATOR WITH VENTURI ARRANGEMENT - The invention describes a self-powered centrifugal separator comprising a base, a rotor mounted on an operably substantially vertical axis for rotation thereabout by reaction to fluid emission from rotor nozzles therein, a housing mounted on the base and enclosing the rotor, a sump formed in the base below the rotor, a fluid passageway through the base extending from an inlet port to an outlet port and including a diversion port to supply fluid to the interior of the rotor by way of the rotation axis, a drain passage in the base for draining fluid from the sump to the fluid passageway, and a venturi arrangement provided in the fluid passageway in the base to develop suction pressure to draw fluid from the drainage passage into the fluid passageway, whereas a spring loaded valve body is provided in the fluid passageway, said body being configured and arranged to shut off supply of fluid to the interior of the rotor when pressure of fluid entering the inlet port falls below a predetermined minimum pressure value and also to restrict and/or shut off supply of fluid to the interior of the rotor when pressure of fluid entering the inlet port rises above a second predetermined pressure value. | 10-27-2011 |