Fluent material handling – with receiver or receiver coacting mea – Multiple passage filling means for diverse materials or flows – With valve
Patent
1998-05-28
1999-11-16
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Multiple passage filling means for diverse materials or flows
With valve
141348, 141 59, 141301, 220 862, 220746, 137588, 137589, B65B 3106
Patent
active
059839635
ABSTRACT:
To provide a simple on-board refueling vapor recovery (ORVR) system without separate check valves and the like, a multi-path valve, typically a 6/2 valve (5) is provided, and formed with a discrete switching path (13) which is inserted in a pressure equalization line (12). Upon valve operation between a fuel filling mode position and an operating mode position, respectively, the valve switches the discrete switching path of the pressure equalization line (12) to connect the equalization line (12) to a fuel vapor receptor through a valve outlet when the valve (5) is in operating mode position, while blocking the equalization line (12) when the valve (6) is in filling mode position. A roll-over valve (14) can be integrated into the system, preferably coupled to a small-diameter pressure equalization duct (15) with a fill vent line (3) which, by operation of the valve, is open when a nozzle (9) is introduced into a filling stub (2) for the fuel tank, but closed when the nozzle is removed, leaving only an operating vent line (4), the pressure equalization line (12) and the small-diameter pressure equalization duct (15) in communication with the outlet from the valve leading to vapor receptor.
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Maier Bernhard
Palvolgyi Sandor
Pozgainer Gunther
Jacyna J. Casimer
Tesma Motoren-Und Getriebetechnik GmbH
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