Fuel vapor emissions control device with leak neutralization

The invention relates to a fuel vapor emission control device comprising: an absorbent filter (10); -a purge circuit (15) comprising: a pump (11) provided with a suction inlet (21) and a delivery outlet (27); an upstream conduit (16); and a downstream conduit (17). The pump (11) comprises a suction...

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Bibliographische Detailangaben
1. Verfasser:	COLLET THIERRY
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a fuel vapor emission control device comprising: an absorbent filter (10); -a purge circuit (15) comprising: a pump (11) provided with a suction inlet (21) and a delivery outlet (27); an upstream conduit (16); and a downstream conduit (17). The pump (11) comprises a suction chamber (20) into which the suction inlet (21) opens. The upstream conduit (16) is connected to the absorbent filter (10) through one end thereof and leads to the suction chamber (20) through the other end thereof. The downstream conduit (17) comprises a tubular double wall (23, 24) defining two separate ducts (25, 26). 本发明涉及一种燃料蒸汽排放控制装置，其包括：-吸收性过滤器（10）；-吹扫回路（15），吹扫回路（15）包括：设有吸入入口（21）和输送出口（27）的泵（11）；上游导管（16）；下游导管（17）。泵（11）包括吸入室（20），吸入入口（21）通向该吸入室。上游导管（16）通过其一个端部连接到吸收性过滤器（10），并通过其另一个端部通向吸入室（20）。下游导管（17）包括管状的双壁（23，24），其限定两个分开的管道（25，26）。