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US 11,235,268 B2Granted
Filter apparatus with ejection arrangement
AssigneeBaldwin Filters, Inc.
InventorsJohn H. Beard, Stephen Schweitzer
Life of this patent
Estimating the term…
Abstract
A filter cartridge including catches for ejecting the filter cartridge from a filter housing as the filter cartridge and filter housing are removed from a filter base is provided. The catches are configured to engage corresponding catches of the filter base to limit axial motion of the filter cartridge as the filter cartridge and filter housing are threadedly removed from the filter base.
Claims10
A filter cartridge comprising:
- a tubular ring of filter media defining a central axis;
- a first end cap attached to a first end of the filter media;
- a filter cartridge abutment catch including an axially extending leg portion and a head portion extending radially from the leg portion, the radially extending head portion defining an abutment surface axially facing towards the filter media, the filter cartridge abutment catch extends about the central axis between first and second sides, the head portion being positioned between the first and second sides;
- a first seal carried by the first end cap proximate a radially outer rim of the first end cap and being positioned radially outward beyond the filter cartridge abutment catch, the first seal being axially offset from the tubular ring of filter media;
- and
- a second seal carried by the first end cap, the second seal being positioned radially inward of the filter cartridge abutment catch, the second seal being axially offset from the tubular ring of filter media, the second seal providing a radially directed sealing surface, the radially directed sealing surface defining a circular periphery.
3 more elements
Dependencies are inferred from the claim text.