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US 5,893,937 AGranted
Air filter especially for cleaning combustion air for internal combustion engines
AssigneeFilterwerk Mann & Hummel GmbH
InventorKlaus Moessinger
Life of this patent
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Abstract
An air filter, especially for cleaning combustion air for internal combustion engines. The air filter includes a substantially cylindrical housing having a raw inlet and a pure air outlet. A pure air outlet is fitted substantially concentrically on the face of a cylindrical housing. The raw air inlet is fitted on the surface of the housing jacket, and an essentially menthol-free filter element is secured in the housing. The housing aperture is fitted with adaptive systems having an integrated dirt extractor.
Claims7
An air filter, especially for cleaning combustion air for internal combustion engines, comprising:
- a substantially cylindrical housing;
- a raw air inlet disposed on a circumferential surface of the cylindrical housing;
- a cyclone provided in said housing adjacent the raw air inlet for separating dust from air passed through said filter;
- a clean air outlet disposed substantially concentrically in the cylindrical housing;
- a substantially metal-free filter insert fastened in the cylindrical housing;
- an adaptive cover removably attached to the cylindrical housing;
- a partition disposed in the adaptive cover and forming a dirt collecting chamber in said cover for receiving dust, said partition having an opening communicating between said cyclone and the dirt collecting chamber for passing dust from the cyclone to the dirt collecting chamber;
- and
- an integrated dirt dumping device in said cover, said integrated dirt dumping device comprising a deflector valve disposed in the integrated dirt dumping device for discharging dirt from the filter.
6 more elements
Dependencies are inferred from the claim text.