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US 9,802,591 B2Granted
Method and system for an aspirator for a brake booster
AssigneeFord Global Technologies, LLC
InventorXiaogang Zhang
Life of this patent
Estimating the term…
Abstract
Methods and systems are provided for providing vacuum to a brake booster via an aspirator system. In one example, a system may include an aspirator system fluidly coupled with a brake booster with no intervening components located therebetween.
Claims16
An aspirator system, comprising:
- a volute-shaped aspirator with a linear aspirator protruding through a spiral of the volute aspirator, the volute aspirator comprising a first venturi passage and the linear aspirator comprising a second venturi passage and where the passages are fluidly coupled to a brake booster, and where the aspirators are fluidly coupled to front or rear grills via a conical aspirator with no other intervening components located therebetween.
A system comprising;
- an engine with one or more cooling fans;
- an aspirator system with at least one inlet downstream of and in fluid communication with the one or more cooling fans;
- first, second, third, and fourth aspirator portions of the aspirator system fluidly coupled and capable of receiving motive flow from a front grill and expelling the motive flow out through a rear grill;
- and
- a brake booster comprising a first passage with a first check valve fluidly coupled with the first aspirator portion and a second passage with a second check valve fluidly coupled with the second aspirator portion with no other intervening components located therebetween.
2 more elements
Dependencies are inferred from the claim text.