Patent Number: 8,876,492

Title: Method and system for operating an ejector

Abstract: A selectively operable vacuum source is disclosed. In one example, vacuum source supplies as much air to an engine as is drawn by the vacuum source from a vacuum reservoir. The approach may provide vacuum to a vehicle vacuum system efficiently and with less weight than other vacuum sources.

Inventors: Ulrey; Joseph Norman (Dearborn, MI), Pursifull; Ross Dykstra (Dearborn, MI)

Assignee: Ford Global Technologies, LLC

International Classification: F04F 5/20 (20060101)

Expiration Date: 2019-11-04 0:00:00