Drilling machine for foundation piles comprising an electric energy recovery winch

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11773651
APP PUB NO 20200109037A1
SERIAL NO

16561636

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Abstract

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A self-propelling drilling machine includes: an undercarriage. a rotary tower, a mast, a kelly bar supported by the mast, a drilling tool fixed at one end of the kelly bar, and a winch associated with the kelly bar to move the kelly bar upwards or downwards. An electric rotary machine is configured to operate as an electric motor suitable for rotating the winch and as an electric generator during the lowering of the kelly bar that causes a rotation of the winch. The machine includes a power supply unit operatively connected to the electric rotary machine.

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Patent Owner(s)

Patent OwnerAddress
GEAX SRL62010 MONTEFANO (MC)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pesaresi, Adriano Osimo, IT 1 1

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