Cummins Filtration Ip, Inc.

Matthew T VandenBush

Scott P Heckel

Roger L Zoch

Kelly Ann Detra

Pathikrit T Banerjee

Caryn J Kindkeppel

Guillermo Alberto Smith

Peter K Herman

Merwyn I Coutinho

Daniel Y Hodges

Christopher E Holm

Brian W Schwandt

Mark V Holzmann

Chirag D Parikh

Benjamin L Scheckel

Bradley A Smith

Thomas J Braun

Ashwin K Koleshwar

Michael W Klimmek

A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.

Filter element with percussion band

A gas-liquid separator assembly has a flow passage providing expansion of and reduced flow velocity of the post-separation gas stream, and in some embodiments provides pre-escape regions facilitating partial pre-transition of some of the flow.

Gas-liquid separator with expansion transition flow

An inertial gas-liquid separator has one or more nozzle valves having a sidewall and a downstream exit axial end radially constrictable and expansible to vary axial flow of a gas-liquid stream therethrough to an inertial impactor collector.

Inertial gas-liquid separator with constrictable and expansible nozzle valve sidewall

A gas-liquid separator assembly has dual flow first and second split partial paths. The first path is an impaction separation path effecting liquid particle separation from a gas-liquid stream by inertial impaction. The second path is a coalescence-separation path effecting liquid particle separation from the gas-liquid stream by coalescence.

Gas-liquid separator with dual flow impaction and coalescence

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Madison, WI, United States of America

Matthew T VandenBush