About 27 results
https://drivepatents.com/patents/1000971 · 27 Jun 2012
The device has a tank blocking valve (2), and two tank pressure controlling valves (3, 4) i.e. electromagnetic valves, opening during low pressure and high pressure in a fuel tank, respectively. A tank connection (8) is connected with the tank, and a filte...
https://drivepatents.com/patents/1000970 · 27 Jun 2012
The method involves providing a venting valve (6) in a fuel tank (2). The venting valve is provided for venting the fuel tank over a specific period, during deactivation of internal combustion engine so that internal pressure and temperature of fuel tank i...
https://drivepatents.com/patents/1006683 · 28 Dec 2011
The valve (1) has a housing (2) with a vent opening (28) and a float (5) movably arranged in the housing towards a middle longitudinal axis (16) of the housing. A sealing element (29) is fixed on the float at a fixing area (35) arranged outside the opening...
https://drivepatents.com/patents/1068541 · 5 Apr 2006
An apparatus is provided for controlling discharge of fuel vapor from an interior region in a fuel tank and preventing unsatisfactory liquid fuel levels within the interior region of the fuel tank. The apparatus includes a buoyant fill-limit valve movable ...
https://drivepatents.com/patents/1074956 · 17 Aug 2005
The valve system for vehicle fuel tanks comprises at least three valves (131a, 133a, 135a, 137a, 139a). These are oriented in such a way that at least one prevents fuel from flowing out of the tank, regardless of its orientation. An independent claim is in...
https://drivepatents.com/patents/1079416 · 9 Mar 2005
A fuel cap 10 of the invention has a pressure regulating valve 50, which includes a positive pressure valve 60 and a negative pressure valve 70. The positive pressure valve 60 has a positive pressure valve plug 61 and a first spring 68. The negative pressu...
https://drivepatents.com/patents/1086639 · 9 Jun 2004
An electrically operated valve (70) is connected in the vapor recirculation line (74) from a float operated vent valve (32), or a direct vapor recirculation line from the tank top to the upper end of the tank filler tube (24). The electrically operated val...
https://drivepatents.com/patents/1086637 · 9 Jun 2004
A vacuum operated flow control valve (20) is disposed in the vapor vent line from a fuel tank (12) to a vapor storage canister (28) connected also to the engine air inlet (40). The valve (20) has a diaphragm operator (58) of low permeability which is biase...
https://drivepatents.com/patents/1095750 · 28 May 2003
A cover assembly (10) for a fuel tank (12) of a vehicle includes a cover (42) adapted to close an opening (30) in the fuel tank (12) and a common vent port (58) extending from the cover (42). The cover assembly (10) also includes a plurality of valves (92,...
https://drivepatents.com/patents/1102011 · 4 Sep 2002
A tank vent valve apparatus includes a valve housing formed to include an inlet port, an outlet port, and an interior region. The interior region is partitioned to define an intake chamber communicating with the inlet port, a discharge chamber communicatin...