Invention Grant
US09227610B2 Vacuum brake booster vacuum enhancer 有权
真空制动助力器真空增强器

Vacuum brake booster vacuum enhancer
Abstract:
A vacuum enhancer having four apertures, one of which is open to the atmosphere, wherein a piston selectively restricts fluid flow through an ejector based on a pressure differential between a vacuum chamber within the vacuum booster and true atmospheric pressure.
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