ENSSEMBLE DE FILTRATION NOTAMMENT POUR COMBUSTIBLES LIQUIDES

L'INVENTION CONCERNE UN ENSEMBLE DE FILTRATION DESTINE NOTAMMENT A DES COMBUSTIBLES ET CARBURANTS.CET ENSEMBLE COMPREND AU MOINS DEUX ZONES 16, 17 COLLECTRICES D'IMPURETES, SITUEES RESPECTIVEMENT EN AMONT ET EN AVAL D'UNE PARTIE D'UN DISPOSITIF FILTRANT 13 DISPOSE A L'INTERIEUR DE L'ENSEMBLE. UN ENSEMBLE 18 A ROBINET PERMET DE VIDANGER SIMULTANEMENT LES DEUX ZONES. LE DISPOSITIF FILTRANT 13 COMPORTE DEUX MILIEUX FILTRANTS 52, 54. LES DIFFERENTS ELEMENTS DE L'ENSEMBLE PEUVENT ETRE NOTAMMENT ASSEMBLES PAR VISSAGE, FACILITANT LES OPERATIONS DE MONTAGE ET DE DEMONTAGE.DOMAINE D'APPLICATION : FILTRES A CARBURANT POUR MOTEURS, NOTAMMENT DU TYPE DIESEL. A filter for removing water and solids from diesel fuel comprises filter elements 83, 84 and first and second settling zones respectively upstream and downstream of the elements, and a drainage plug which when unscrewed, in response to a signal from water level-monitoring means 97, drains water from both said zones simultaneously. In Fig. 1 the plug and filter elements are more complex, and the housing lid incorporates a manual primer pump. In Fig. 8 additional units are located between housing parts 81 and 91 of Fig. 4, namely a flat electric heater, a heat-exchanger using hot water from the vehicle radiator and a baffle chamber to assist water-coalescence.