Method and apparatus for controlling gasoline vapor emissions

Patent · Tue Jul 14 04:00:00 EDT 1987

OSTI ID:6208217

Hirt, J H

This patent describes an apparatus for abatement of gasoline vapor emissions from a vent pipe at a gasoline service station or the like in which a vapor piping system interconnects the vent pipe with gasoline storage tanks and gasoline dispensing nozzles in the service station. The apparatus includes a pilot burner with pilot ignition means and a main burner with main burner ignition means. At least a first and second vapor pressure switches in the vent pipe senses and controls vapor pressure in the vapor piping system; the combination of: turbine means located downstream from, and controllably activated by the first and second vapor pressure switches for moving vapor in the vapor piping system to maintain a partial vacuum; means for sensing the vapor pressure downstream from the turbine means; means responsive to the downstream vapor pressure sensing means for causing, at a selected vapor pressure downstream turbine means, admission of vapor to the pilot burner; means for igniting the vapor at the pilot burner to provide a pilot flame; means for sensing the pilot flame and upon sensing the pilot flame for causing admission of vapor to the main burner for ignition by the pilot flame.

• Assignee: Hirt Combustion Engineers, Montebello, CA
• Patent Number(s): US 4680004
• OSTI ID: 6208217
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020900* -- Petroleum-- Environmental Aspects
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
COMMERCIAL SECTOR
CONTAINERS
CONTROL
EMISSION
FLUIDS
FUELS
GASES
GASOLINE
GASOLINE SERVICE STATIONS
LIQUID FUELS
MACHINERY
MARKETERS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PIPES
POLLUTION CONTROL
PRESSURE CONTROL
RETAILERS
STORAGE FACILITIES
TANKS
THERMODYNAMIC PROPERTIES
TURBINES
TURBOMACHINERY
VAPOR PRESSURE
VAPORS
VENTS