Fuel supply systems

Details Fuel supply systems Fuel supply systems

2011-03-22

2011-03-22

Huynh, Hai H (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

C123S511000, C123S506000, C123S457000, C123S461000

Reexamination Certificate

active

07909023

ABSTRACT:
A fuel supply system that includes a fuel pump, a jet pump, a first device and a second device. The fuel pump has a first port, a second port and a third port. Each of the first and second ports is configured to discharge a pressurized fuel. The third port is configured to discharge a fuel vapor that may be produced within the fuel pump. The first port is coupled to an engine via a fuel supply passage. The first device is coupled between the second port and the jet pump and is operable to permit and prevent the supply of the pressurized fuel to the jet pump. The second device is coupled to the third port and is operable to permit and prevent the discharge of the fuel vapor to the outside of the second device.

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patent: 2001248512 (2001-09-01), None

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