Valve (1) in a filter, especially in a liquid filter, comprises a valve body (5) inserted in a valve housing (4) and adjustable between a closed position and an open position. The valve housing has an elastically deformable clamping collar (7) which protru...

The air intake channel, for an internal combustion motor, has a bed of solid particles secured directly within the air channel, as an air filter. The filter has a thermoplastic base, with filaments or industrial waste as the solid particles.

The filter element with a filter material (2) formed into a filter cartridge is provided with sealing side strips (3. 4) incorporating a foamed elastomer. An Independent claim is also included for a method for producing the proposed filter element.

Gas stream cleaning device comprises a housing (10) having an inlet (11) and an outlet (12), a filter element (13) in the housing to form a pure side (23) and a crude side (22), and a pre-separator (14) having parallel lamellae to deviate the gas stream an...