Idle speed and fuel vapor recovery control system
Patent
·
OSTI ID:6492466
A method for controlling idling speed of an engine via bypass throttle connected in parallel to a primary engine throttle and for controlling purge flow through a vapor recovery system into an air/fuel intake of the engine is described, comprising the steps of: positioning the bypass throttle to decrease any difference between a desired engine idle speed and actual engine idle speed; and decreasing the purge flow when said bypass throttle position is less than a preselected fraction of a maximum bypass throttle position.
- Assignee:
- Ford Motor Co., Dearborn, MI (United States)
- Patent Number(s):
- US 5215055; A
- Application Number:
- PPN: US 7-967503
- OSTI ID:
- 6492466
- Resource Relation:
- Patent File Date: 28 Oct 1992
- Country of Publication:
- United States
- Language:
- English
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