Method of controlling vacuum pump for vehicle brake booster

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9593680
APP PUB NO 20150037172A1
SERIAL NO

14128843

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electric brake booster vacuum pump of a vehicle has a deactivation level determined according to a percentage of maximum available vacuum at the instant altitude of the vehicle. The activation level may be determined in the same way. The invention provides for earlier on-switching of a vacuum pump at altitude, while ensuring that the off-switching value is achievable at low atmospheric pressure.

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First Claim

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Patent Owner(s)

  • JAGUAR LAND ROVER LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liddington, Chris Coventry, GB 1 3

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