Onboard vapor recovery vehicle fill neck vapor block

Details Onboard vapor recovery vehicle fill neck vapor block Onboard vapor recovery vehicle fill neck vapor block

1998-03-12

2000-05-23

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 44, 141286, 141382, 141391, 220 862, B65B 3100

Patent

active

060655070

ABSTRACT:
A device for detecting the presence of an ORVR-equipped vehicle having a fuel tank filler pipe including an annular vapor block mounted in the fuel tank filler pipe. The vapor block has sufficient length to substantially block vapor flow through a plurality of vapor return openings in a vacuum assist nozzle spout and further includes an internal diameter complementary with the outside diameter of the nozzle so as to prevent the creation of a vapor tight seal.

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