Donaldson Comapny, Inc.

Atlas Copco Airpower, Naamloze Vennootschap

Atlas Copco Airpower, N.v.

Alain Suttels

Daniel Fertil

Karim Elayed

Tom Teck

A liquid filter construction comprising a filter housing is disclosed. The filter housing contains a filter element for filtration of liquids using a urea aqueous solution. A compressible element is positioned within the filter housing, the compressible element comprising an enclosure containing a gas-filled volume. This compressible element compresses in response to the generation of pressure from freezing of liquid within the filtration housing. The compression of the compressible element thereby avoids damage to the filter element, the filter housing, and adjacent equipment.

Liquid filter construction for freezing environments

Reservoir for a replacement fluid for a device, where the reservoir () is pre-filled with the desired quantity of the relevant replacement fluid () And where this reservoir is equipped with detachable coupling devices () which make it possible to mount and dismantle the reservoir () on the device () and where the reservoir (), in its mounted state, serves as a changeable fluid.

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Leuven, Belgium

Alain Suttels