Heater module for filter assembly

A heater module (10) for heating a flow of fluid employs a base member and a cap (16) molded from polymeric material, defining a cavity. First (70) and second (80) flow distributor plates composed of electrically and thermally conductive material are positioned in the cavity creating multi-tier firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAXWELL, M. CRAIG, JANIK, LEON P, COTE, LARRY L, ZEINER, ROBERT W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A heater module (10) for heating a flow of fluid employs a base member and a cap (16) molded from polymeric material, defining a cavity. First (70) and second (80) flow distributor plates composed of electrically and thermally conductive material are positioned in the cavity creating multi-tier first (37), second (66) and third (64) flow paths. A pair of PTC pills (12) mounted between the distributor plates (70,80) heat the distributor plates. The fluid is heated by contact with the PTC pills (12) and the distributor plates (70,80) as it passes through the first (37), second (66) and third (64) flow paths. A weir maintains a fluid level in the module to ensure that the PTC pills (12) are always covered by fluid. A dam splits the flow and directs it toward the PTC pills (12) after which the flow recombines.