About 39 results
https://drivepatents.com/patents/1000978 · 27 Jun 2012
The fuel system (1) has a fuel tank (2) and a venting device (3) for venting the fuel tank. The venting device has a separator (4) with a buffer store (5) for a liquid fluid, and a fuel conveying device (15) formed as an ejector (16) for conveying fuel fro...
https://drivepatents.com/patents/1012579 · 1 Jun 2011
A fuel vapor emission system for small engine gas tank which does not require redesign or retooling for manufacturing of the tank (10). A new filler tube (14) has the lower end positioned to cause fuel to rise rapidly in the tube (14) before the tank (10) ...
https://drivepatents.com/patents/1075716 · 20 Jul 2005
A filler neck closure assembly includes a housing formed to include a vent chamber arranged to receive a fuel-dispensing pump nozzle therein during fuel tank refueling. A flow control valve assembly is provided to regulate flow of ambient air and/or fuel v...
https://drivepatents.com/patents/1078885 · 30 Mar 2005
The fuel tank (2) has a venting system (6) provided with a venting line (10) connecting the fuel tank interior (4) with the outside environment (30). The venting line acts as a syphon (22) with a T-connector (42) provided at its lowest point (24), having a...
https://drivepatents.com/patents/1081034 · 5 Jan 2005
A two-stage pressure differential pressure responsive flow control valve (40) is disposed to provide greater fuel vapor recirculation to a tank filler tube (14) when high vacuum conditions are encountered during refueling from a fuel dispensing nozzle inse...
https://drivepatents.com/patents/1081136 · 29 Dec 2004
The ventilating device (5) has a movable area (6) assembled of two telescopic segments (11, 12) accommodating a helical spring (14). The segments (11, 12) are sealed against each other by several layers of sealing rings (13). The inner telescopic segment (...
https://drivepatents.com/patents/1087247 · 12 May 2004
Aeration device for a fuel container (1) of a motor vehicle comprises a bubbling container (2) for separating liquid fuel from fuel vapor located in the fuel container, and a ventilation valve (7) for producing a pressure equilibrium between the bubbling c...
https://drivepatents.com/patents/1092090 · 5 Nov 2003
In a fuel tank (12) having an electric fuel pump (38) therein, the fuel pump (38) is connected to discharge into a venturi (48) with a throat pressure tap line (52) connected to the bottom of a vapor vent valve (16) fed by spider tubes (56) to the tank vap...
https://drivepatents.com/patents/1092101 · 5 Nov 2003
A check valve (10) for connection in a fuel tank filler tube. The valve has a tubular body (12) with a plurality of radially inwardly extending vanes or ribs (20) in the inlet end about a portion of the circumference. The ribs are tapered in the flow direc...
https://drivepatents.com/patents/1094232 · 6 Aug 2003
A vapor vent system for a fuel tank (32) having a vapor vent valve (34) in the top of the tank (32) with its outlet connected to a storage canister (54). In one embodiment the vent valve outlet is connected to the canister (54) through a hose (52,60) which...