Fuel delivery system with pressure-controlled electric pump

Patent · Mon Feb 29 23:00:00 EST 1988

OSTI ID:5034271

Tuckey, C H

A fuel delivery system for gasoline engine and like applications is described comprising: a pump having an input for coupling to a fuel supply, an output for fuel delivery and a d.c. motor having an output drivably coupled to the pump, a pressure switch a source of d.c. power, and solid state switch means having primary current conducting electrodes connected between the source of d.c. power and the motor, and a control electrode coupled to the switch electrode shank externally of the housing, the solid state switch means being responsive to connection of the control electrode to electrical ground through the switch electrode, the diaphragm and the housing of the pressure switch to feed electrical power from the d.c. power source to the motor.

• Assignee: Walbro Corp., Cass City, MI
• Patent Number(s): US 4728264
• OSTI ID: 5034271
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
CONTROL
DESIGN
ELECTRICAL EQUIPMENT
ELECTRODES
ENGINES
EQUIPMENT
FLUID MECHANICS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
HEAT ENGINES
HYDRAULICS
INTERNAL COMBUSTION ENGINES
MECHANICS
OPERATION
PRESSURE CONTROL
PUMPS
SPARK IGNITION ENGINES
SWITCHES