Fuel tank nozzle having a dual purpose valve

Patent · Tue Mar 24 04:00:00 EST 1987

OSTI ID:6879288

Uranishi, K; Ito, T; Tanahashi, T

This patent describes a fuel tank for use in a motor vehicle, comprising: a fuel inlet pipe connected to the fuel tank and having a fuel inlet into which a fuel pump nozzle is inserted; a cap detachably attached to the fuel inlet; a canister having activated carbon contained therein; a hollow cylindrical nozzle guide in the fuel inlet pipe, the nozzle guide having a valve port thereon, the nozzle guide defining a nozzle insertion passage therein and defining a fuel vapor passage between the nozzle guide and the fuel inlet pipe, the vapor passage in communication with the canister, the interior of the fuel tank being connected to the canister via the valve port and the fuel vapor passage; and valve means for controlling the vapor connection between the interior of the fuel tank and the canister, the valve means biased to close both the valve port and the nozzle insertion passage. The valve means is openable by the insertion of the fuel pump nozzle into the nozzle insertion passage to open both the valve port and the nozzle insertion passage.

• Assignee: Toyota Jidosha Kabushiki Kaisha, Aichi
• Patent Number(s): US 4651889
• OSTI ID: 6879288
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330603* -- Vehicle Design Factors-- Engine System
ACTIVATED CARBON
ADSORBENTS
AUTOMOTIVE FUELS
CARBON
CONTAINERS
CONTROL EQUIPMENT
ELEMENTS
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FLUIDS
FUEL SYSTEMS
FUELS
GAS FLOW
GASES
INTAKE STRUCTURES
MECHANICAL STRUCTURES
NONMETALS
NOZZLES
PIPES
PUMPS
STORAGE FACILITIES
TANKS
VALVES
VAPORS
VEHICLES