True four wheel drive system for vehicle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9272620
APP PUB NO 20140038763A1
SERIAL NO

13955248

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1:1 gear ratio.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
THE HILLIARD CORPORATION100 WEST FOURTH STREET ELMIRA NY 14902-1504

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brewer, J Brendan Elmira, US 2 51
Knickerbocker, Howard J Elmira, US 6 121
Ochab, David Horseheads, US 1 13
Palmer, James E Elmira Heights, US 29 960

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