Control circuit for transmission variable displacement pump with improved efficiency

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United States of America Patent

PATENT NO 9803638
SERIAL NO

13363040

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure relates to a control circuit for a variable displacement pump in a vehicle transmission, including: a regulator valve configured to regulate displacement control fluid to the variable displacement pump; and a response limiter in communication with the regulator valve, configured to mitigate pressure oscillations in the control circuit.

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Patent Owner(s)

  • FORD GLOBAL TECHNOLOGIES, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dobson, Mark Richard Howell, US 4 14
Kinch, Derek B Ypsilanti, US 1 4
Mahapatro, Hrudaya Canton, US 8 56
Pekarsky, Lev West Bloomfield, US 28 117

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