Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1996-09-18
1998-09-08
Stucker, Jeffrey
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 4, 141 59, 137583, 137589, B65B 3100
Patent
active
058031367
ABSTRACT:
An apparatus for reducing the pressure in a fuel tank ullage includes a conduit adapted to be connected to the fuel tank ullage and equipped with a controllable valve. A pressure sensor is adapted for mounting to detect the pressure in the fuel tank ullage, and a catalyst module has an inlet connected to the conduit, a catalyst in the module, an outlet separated from the inlet by the catalyst, a heater disposed to heat the catalyst, and a temperature sensor to detect the temperature of the catalyst. A controller is adapted to receive inputs from the pressure sensor and the temperature detector and output control signals to the heater to heat the catalyst when the pressure sensor indicates the pressure in the ullage exceeds a threshold and to open the controllable valve after the temperature sensor indicates the catalyst has reached a temperature at which it catalyzes volatile hydrocarbons to permit movement of vapor and air from the ullage to the catalyst for oxidation of the vapor and discharge of the oxidation products and air to the atmosphere, thereby reducing the pressure in the ullage.
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OPW Fueling Components Brochure entitled "ORVR/Stage II Compatibility: Keeping Onboard and Vac-Assist Systems From Pulling in Opposite Directions" Undated, but date believed to be Jul., 1997.
Gilbarco Inc.
Stucker Jeffrey
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