Patent · US Expired

Fuel metering system

US5817257A · kind A · utility

3Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1996
Grant dateOct 6, 1998
Priority date
Expiry dateMar 6, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/68
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A fuel metering system comprises a throttle body 1 having an air passage 2, a throttle valve 6 mounted in the air passage, and at least one port 9-11, 13 opening into the air passage which is responsive to engine manifold vacuum to provide a negative pressure signal at a connector 12 or 14. The system also includes a repeater (FIG. 2) remote from the throttle body having a fuel inlet, a fuel outlet for delivery of fuel to the engine, and means for metering the delivery of fuel as a function of the negative pressure signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.