Pilot control mechanism for boom bounce reduction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10344783
APP PUB NO 20160298660A1
SERIAL NO

15036756

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic system (600) and method for reducing boom dynamics of a boom (30), while providing counter-balance valve protection, includes a hydraulic actuator (110), first and second counter-balance valves (300, 400), first and second control valves (700, 800), and first and second blocking valves (350, 450). A net load (90) is supported by a first chamber (116, 118) of the hydraulic actuator, and a second chamber (118, 116) of the hydraulic actuator may receive fluctuating hydraulic fluid flow from the second control valve to produce a vibratory response (950) that counters environmental vibrations (960) on the boom. The first blocking valve prevents the fluctuating hydraulic fluid flow from opening the first counter-balance valve. The first blocking valve may drain leakage from the first counter-balance valve.

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Patent Owner(s)

  • EATON INTELLIGENT POWER LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rannow, Michael Berne Eden Prairie, US 28 248
Wang, Meng (Rachel) Eden Prairie, US 8 158

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