Patent ID: 7448443

Claim:
A fluid recovery system, comprising: a drive member, said drive member configured for variable operation; a torque variation member, said torque variation member being comprised of: an input member configured to receive and engage said drive member; a driver disc, said driver disc configured to move about said input member in eccentric fashion, responding to rotational force applied to said input member by said drive member; an output component, said output component being configured to rotate about said driver disc and said input component; and an engagement means located along the periphery of said driver disc such that said engagement means alternatingly engages said output component; and a pumping means, said pumping means configured in mechanical communication with said torque variation member for actuation by said torque variation member, said pumping means being configured for placement in fluid communication with a subterranean fluid source for conveyance of fluid from said subterranean fluid source to a substantially surface elevation.